This is an old revision of the document!
DDNS Client
Introduction
DDNS stands for Dynamic DNS. Simply put, using this service gives a name to your IP. So if you're hosting something on your line, people would not have to bother typing your IP. They can just type in your domain name! It also helps when your IP changes. Users won't need to discover what your new IP is, they can simply type your domain name.
This guide will help you configure your DDNS service, so that your router auto-updates your IP to your DDNS provider. The simplest method possible would be through LuCI (the default webUI for OpenWrt).
OpenWrt uses ddns-scripts which are Bourne shell scripts.
There are other scripts and programs available in the web, also some DDNS providers offer their own programs. All of them are currently not ported and tested on OpenWrt.
Requirements
First of all, you'll need to pick and register a DNS name with a compatible DynamicDNS service provider.
For a list of DDNS providers, see:
| ddns-scripts support the following Dynamic DNS service provider out of the box: | |||
|---|---|---|---|
| 3322.org | afraid.org 6) | changeip.com | cloudflare.com 2) 5) 6) |
| core-networks.de 6) | ddnss.de 6) | dhis.org 6) | dnsdynamic.org |
| dnsexit.com | dnshome.de 6) | dnsmax.com | dnsomatic.com |
| dnspark.com | do.de 6) | dtdns.com | duckdns.org 6) |
| duiadns.net 6) | dy.fi | dyndns.org 6) (dyn.com) | dyndnss.net |
| dyns.net | dynsip.org | dynu.com | dynv6.com 6) |
| easydns.com | editdns.net | goip.de 6) | google.com 5) 6) |
| he.net 6) | joker.com | loopia.se 6) (loopia.com) | mydns.jp 6) |
| myonlineportal.net 6) | mythic-beasts.com 6) | namecheap.com | nettica.com |
| no-ip.com 1) (noip.com) | no-ip.pl 6) | nsupdate.info 6) | nubem.com |
| ovh.com | regfish.de 6) | schokokeks.org | selfhost.de |
| sitelutions.com | spdyn.de 6) (spdns.de) | strato.com | system-ns.com |
| thatip.com | twodns.de | variomedia.de 6) | zerigo.com 6) |
| zoneedit.com 5) | zzzz.io 5) 6) | BIND nsupdate 3) 4) 6) | |
1) requires additional package ddns-scripts_no-ip_com to be installed.
2) needs additional package ddns-scripts_cloudflare to be installed.
3) directly updates a PowerDNS (or maybe bind server) via nsupdate.
4) needs additional package ddns-scripts_nsupdate and bind-client to be installed.
5) SSL support required.
6) support IPv6
If you have picked a DDNS service provider and create your host/domain name you need to note additional your username and password.
Now you need to decide if you want to use secure communication with your DDNS provider or not.
Some provider require secure (HTTPS) communication. Read their help pages for details and also read provider specific informations below.
Support
If you need support, found an issue or only want to request a new extension for the next release, please post your questions/issues/requests here: (Don't forget to post informations about your used software versions.)
- Github-OpenWrt-Packages for ddns-scripts
- Github-OpenWrt-LuCI for luci-app-ddns
A full list of supported settings (some not supported by LuCI webUI):
- UCI documentation → Dynamic DNS Client configuration
The source code is available at GitHub:
| CC 15.05 | ddns-scripts_2.4.3-1 | luci-app-ddns_2.2.4-1 |
| trunk | ddns-scripts | luci-app-ddns |
Installation
using LuCI
- Login into your router through your browser.
- From the menu select
'System' →'Software' - Press button [Update Lists] to update internal lists of available packages.
- Filter for ddns and install luci-app-ddns package. Installing the package luci-app-ddns will automatically install the package ddns-scripts.
- You might need to install provider specific packages ddns-scripts_xxxxx and LuCI language packages luci-i18n-ddns-xx.
- After luci-app-ddns (and other packages) are installed, just press any other menu entry on the LuCI webUI, and the page will refresh itself and it will appear in the menu under
'Services' →'Dynamic DNS'.
via console
To install ddns-scripts use the OPKG Package Manager
You might need to install provider specific packages ddns-scripts_xxxxx
opkg update opkg install ddns-scripts opkg install ddns-scripts_xxxxx
SSL support
By default ddns-scripts uses BusyBox built-in 'wget' for DDNS updates over http, which does not support https (SSL).
To perform DDNS updates over https (SSL), you will need to install the 'wget' or 'curl' package, and add the appropriate root certificate for your ddns provider.
If both 'wget' and 'curl' are installed you can configure which one to prefer. Default is 'wget'.
You can install either via LuCI (from the menu select 'System' → 'Software') and search for 'wget' or 'curl'
or install via console using following commands:
opkg update opkg install wget # normally you only need opkg install curl # either wget or curl opkg install ca-certificates
If you, also for other software, need all certificates in one file or you want to update CA certificates regulary, then do NOT install
'ca-certificates' package.
'ca-certificate' package is not always backported to older OpenWrt versions.
Install latest CA certificates (in one file) using console:
mkdir -p -m0755 /etc/ssl/certs curl -o /etc/ssl/certs/ca-certificates.crt http://curl.haxx.se/ca/cacert.pem # using curl wget --no-check-certificate -O /etc/ssl/certs/ca-certificates.crt http://curl.haxx.se/ca/cacert.pem # using wget
Since OpenWrt 18.06.0 (and earlier?)
Wget works with ca-certificates package, but curl does not. Instead install ca-bundle, if you wish to use curl (but not wget).
other functions
This does not belong to the Installation section. Move it to where it better fits the context. --- tmomas 2017/04/24 01:05
ddns-scripts support other special communication functions to be used:
- Run once (useful for usage with
crond) - Set proxy with/without authenfication for http/https requests
- Set DNS server to use other than system default
- Binding to specific network if
wgetor to specific interface ifcurlinstalled. - Force the usage of either IPv4 or IPv6 communication only. Require either
wgetorcurlANDbind-host! - DNS requests via TCP. Require either
wgetorcurlANDbind-host!
Configuration
Basics
ddns-scripts are designed to update one host per configuration/section.
To update multiple hosts or providers or IPv4 and IPv6 for the same host you need to define separate configurations/sections.
Some providers offer to update multiple host within one update request. A possible solution for this option is to use --custom-- service name settings.
Have a look at Provider specifics.
The main settings you need to set are (all other normally work fine with the defaults):
| Service name | the DDNS service provider to use |
| Host/Domain | your FQDN you want to update (used by ddns-scripts using nslookup to check if update has happen) |
| Username | username or other parameter to use as username (send urlencoded) |
| Password | password or other parameter to use as password (send urlencoded) |
| Interface | network name (i.e. wan, wan6) used by OpenWrt hotplug event system to start ddns-scripts |
since DD (trunk) the following main settings need to be set:
| Service name | the DDNS service provider to use |
| Lookup Host | ONE of your defined FQDN you want to update (used by ddns-scripts using nslookup to check if update has happen) |
| Host/Domain | mostly same as 'Lookup Host', but now can also be used as “normal” parameter. i.e. as list of hosts to be updated |
| Username | username or other parameter to use as username (send urlencoded) |
| Password | password or other parameter to use as password (send urlencoded) |
| Interface | network name (i.e. wan, wan6) used by OpenWrt hotplug event system to start ddns-scripts |
After fresh installation a configuration/section 'myddns' and 'myddns_ipv4' and 'myddns_ipv6' exists ready to be modified for your needs.
You could delete them and define your own.
Please heed the following important hints:
- It is NOT allowed to use
dash-sign “-” inside configuration/section names. - A full list of supported settings (some not supported by LuCI webUI) you will find in UCI documentation!
- Always keep in mind the Provider specific settings if there are any!
- Don't forget to enable your configuration/section!
- You need minimum one enabled configuration/section for ddns service to start!
- You need to enable ddns service to enable updates being sent on reboot and hotplug events!
- Although described elsewhere, it is not recommended to change the files
'/usr/lib/ddns/services' or'/usr/lib/ddns/services_ipv6' because they will be overwritten during system and package updates!
using LuCI
- Login into your router through your browser.
- From the menu select
'Services' →'Dynamic DNS'. - Navigate to the configuration/section you like to change.
- Modify the fields you need to change.
- Don't forget to check the
'Enabled' option! - Click [Save & Apply] button to save changes.
To add a new configuration/section:
- Type the new name into the text entry box at the bottom of the page next to [Add] button.
Do not use a
dashcharacter “-” in configuration/section name! - Click [Add] button.
- Modify the fields you need to change.
- Don't forget to check the
'Enabled' option! - Click [Save & Apply] button to save changes.
'Username' and 'Password' fields are required fields. If your provider does not require one or both of them, simply put in a character of your choice.
You need to enable ddns service!
From the menu select 'System' → 'Startup'.
Set ddns service to enabled.
SSL Support
Options to configure HTTPS communication are only available if wget or curl package is installed. (See Hints if shown.)
- Check
'Use HTTP Secure' option. Additional field'Path to CA-Certificate' is shown with it's default setting.- If you have installed
ca-certificatespackage leave the shown default! (/etc/ssl/certs) - If you have installed CA certificates in one file from above set the value to:
/etc/ssl/certs/ca-certificates.crt - If you like to use other certificate you need to set here the full path to the certificate including file name. (
/path/to/file.crt) - If your certificates are stored in a different path, set here the path where your certificates are located. (
/path/to/files)
- Click [Save & Apply] button to save changes.
Custom Service
If you want to use a DDNS provider currently not listed or you want to update multiple hosts within one configuration/section then you should do the following:
- Choose
'--custom--' as service. Additional field'Custom update-URL' is shown. - Fill in the URL you like to use.
Please read URL syntax description below. Also have a look at Provider specifics.
- Click [Save & Apply] button to save changes.
If you found a DDNS provider not listed or with additional IPv6 support or with changed update URL please open an issue at Github-OpenWrt-Packages so it can be included with the next release.
via console
The easiest way to configure ddns-scripts via console is to edit the file /etc/config/ddns directly using build-in vi editor or any other editor you prefer. Other editors as vi needs to be installed separately.
A configuration/section looks like:
config 'service' 'myddns' option 'service_name' 'example.org' option 'enabled' '1' option 'domain' 'yourhost.example.org' option 'username' 'your_username' option 'password' 'your_password' option 'interface' 'wan' option 'ip_source' 'network' option 'ip_network' 'wan'
Alternatively you can use UCI command line interface.
Example input:
uci set ddns.myddns.service_name="ddnsprovider.com" # only use names listed in /usr/lib/ddns/services # or /usr/lib/ddns/services_ipv6 (since CC 15.05) uci set ddns.myddns.domain="host.yourdomain.net" uci set ddns.myddns.username="your_user_name" uci set ddns.myddns.password="p@ssw0rd" uci set ddns.myddns.interface="wan" # network interface that should start this configuration/section uci set ddns.myddns.enabled="1" uci commit ddns # don't forget this, otherwise data not written to configuration file
ddns.myddns.enabled=“1” means:
'ddns' is the configuration file to change (here/etc/config/ddns)'myddns' is the configuration/section to change'enabled' is the option to set/change- behind the
equal-sign is the value to set.Set
single- ordouble-quotes around the value and no space or whitespace around theequal-sign.
Example to create/add a new configuration/section “newddns”:
uci set ddns.newddns="service" uci set ddns.newddns.service_name="ddnsprovider.com" # only use names listed in /usr/lib/ddns/services # or /usr/lib/ddns/services_ipv6 (since CC 15.05) uci set ddns.newddns.domain="host.yourdomain.net" uci set ddns.newddns.username="your_user_name" uci set ddns.newddns.password="p@ssw0rd" uci set ddns.newddns.interface="wan" # network interface that should start this configuration/section uci set ddns.newddns.enabled="1" uci commit ddns # don't forget this, otherwise data not written to configuration file
You need to enable ddns service by:
/etc/init.d/ddns enable
SSL Support
You need to add the following entries to the desired section in '/etc/config/ddns' file:
using 'ca-certificates' package:
config 'service' 'myddns' ... option 'use_https' '1' option 'cacert' '/etc/ssl/certs'
using single file (ie. as descriped above):
config 'service' 'myddns' ... option 'use_https' '1' option 'cacert' '/etc/ssl/certs/ca-certificates.crt' # option 'cacert' '/full/path/to/file.crt'
Above options can also be set via LuCI webUI.
The options are only shown if 'wget' or 'curl' package is installed!
Custom Service
Following changes need to be done if you use a DDNS provider currently not listed or to update multiple hosts within one configuration/section.
Edit '/etc/config/ddns'
config 'service' 'myddns' ... # option 'service_name' 'example.org' # comment out "#" or delete option 'update_url' 'http://your.update.url...[USERNAME]...[PASSWORD]...[DOMAIN]...[IP]'
or use UCI command line interface
uci delete ddns.myddns.service_name uci set ddns.myddns.update_url="http://your.update.url...[USERNAME]...[PASSWORD]...[DOMAIN]...[IP]" uci commit ddns # don't forget this, otherwise data not written to configuration file
URL Syntax
It's not needful to set
'https://'. If SSL support is activated 'http://' is replaced automatically.
The entries [USERNAME] [PASSWORD] [DOMAIN] [IP] are replaced by ddns-scripts just before update.
[USERNAME] is replaced by content of 'option username' from configuration file.
[PASSWORD] is replaced by content of 'option password' from configuration file.
[DOMAIN] is replaced by content of 'option domain' from configuration file.
[IP] is replaced by the current IP address of your OpenWrt system.
carefully set
'option domain' in your configuration. This option is also used to detect if the update was successfully done.
This entry is the DNS name your OpenWrt system will be reachable from the internet.
Have a look at Provider specifics for samples.
If you found a DDNS provider not listed or with additional IPv6 support or with changed update URL please open an issue at Github-OpenWrt-Packages so it can be included with the next release.
Detecting public IP
Here a list (without preferences) of url's to detect your current public ip used by your system:
1) users reported timeout problems, use links in the line below (...:8245)
2) alias of *.dyndns.com
Operation
| | Enable minimum one configuration/section! You need to enable ddns service! |
Basics
Normally no user actions are required because ddns-scripts starts when hotplug ifup event happens. This will happen automatically at system startup when the named interface comes up. Event ifup also happens when a dialup network comes up.
ddns-scripts regularly check if there is a difference between your IP address at DNS and your interface. If different an update request is sent to DDNS provider.
- Whenever you [Save & Apply] an
Enabledconfiguration/section from LuCI webUI the corresponding script is automatically restarted. - If you modify
'/etc/config/ddns' configuration file from console, you need to restart ddns-scripts (see below) to apply changes.
To check if ddns-scripts are running you could check inside LuCI via 'Status' → 'Processes'
or via console running
ps -w | grep dynami[c]
You should find something like '... /bin/sh /usr/lib/ddns/dynamic_dns_updater.sh myddns 0'
for every configuration/section you configured and enabled, where myddns shows your configuration/section name.
Inside LuCI also exists a section 'Dynamic DNS' at 'Status' → 'Overview' page showing the current status of your DDNS configurations.
Run manually
using LuCI
To check running ddns-scripts processes from the menu goto 'Status' → 'Processes'.
Look for something like '/bin/sh /usr/lib/ddns/dynamic_dns_updater.sh myddns 0'.
To stop a desired process press the [Terminate] or [Kill] button.
The process should remove from the list.
You can enable/disable and start/stop ddns-scripts from 'System' → 'Startup' menu.
Look for service 'ddns' and press the button for the desired action.
You can additionaly enable/disable and start/stop individual configuration/section from 'Overview'-page at 'Services' → 'Dynamic DNS'.
via console
From console command line you could create an 'ifup' hotplug event for the desired network interface. This will start all enabled ddns configurations/sections monitoring this interface.
Keep in mind that also other service processes (i.e. firewall) might be (re-)started via
'ifup' hotplug event!
For INTERFACE, type the specified ddns-scripts interface name (the interface name from /etc/config/network, usually 'wan')
ACTION=ifup INTERFACE=wan /sbin/hotplug-call iface
To start only one ddns-scripts configuration/section (here 'myddns'):
/usr/lib/ddns/dynamic_dns_updater.sh myddns 0 &
To start all ddns-scripts configurations configured for one interface (the interface name from /etc/config/network, usually 'wan'):
sh . /usr/lib/ddns/dynamic_dns_functions.sh # note the leading period followed by a space start_daemon_for_all_ddns_sections "wan" exit
To stop one configuration/section you need to list running ddns processes with:
ps -w | grep dynami[c]
you will get something like:
2493 root 1440 R {dynamic_dns_upd} /bin/sh /usr/lib/ddns/dynamic_dns_updater.sh myddns_1 0
2494 root 1440 R {dynamic_dns_upd} /bin/sh /usr/lib/ddns/dynamic_dns_updater.sh myddns_2 0
now you need to kill every running process:
kill 2493 # to kill one process kill 2493 2494 # to kill multiple processes
To stop all running processes at once ('killall' might not be available on all systems):
killall dynamic_dns_updater.sh # if killall is available
ps | grep dynami[c] | awk '{print $1}' | xargs kill # or if not available
Since BB 14.07 you could enable/disable and start/stop/restart all enabled ddns configuration/section like every other service:
/etc/init.d/ddns disable /etc/init.d/ddns enable /etc/init.d/ddns start /etc/init.d/ddns stop /etc/init.d/ddns restart
using scheduler
Each configuration/section of ddns-scripts can be configured to run once including retry on error so it is guaranteed that the update is sent to the provider.
To configure your configuration/section to run once you need to set 'option force_interval' to '0'. Setting of 'option force_unit' is ignored.
Inside LuCI set 'Force Interval' in [Timer Settings]-tab of your desired configuration
or edit '/etc/config/ddns' on console.
config 'service' 'myddns' ... option 'force_interval' '0'
If you set ddns service to enable then all configurations/sections are started during interface 'ifup'.
The configuration/section configured to run once will stop after successful update.
To garant that your configurations only run once not looking for an interface event you need to disable ddns service.
To start your configuration via build in crond use the following entry as command inside crontab configuration (replace 'myddns' with the name of your configuration/section):
/usr/lib/ddns/dynamic_dns_updater.sh myddns 0 &
Monitoring
Syslog
The 'option use_syslog' (also in LuCI) allows to define the level of events logged to syslog:
| Value | Reporting |
|---|---|
| 0 | disable |
| 1 | info, notice, warning, errors |
| 2 | notice, warning, errors |
| 3 | warning, errors |
| 4 | errors |
| |
|
Logfile
ddns-scripts have built-in logfile support.
Logfiles are automatically truncated to a settable number of lines (default 250 lines).
Inside LuCI you could enable logfile in [Advanced Settings]-tab of desired configuration/section.
From console you need to edit '/etc/config/ddns' file:
config 'service' 'myddns' ... option 'use_logfile' '1'
To view logfile content from LuCI select the [Log File Viewer]-tab of desired configuration/section and press the [Read / Reread log file]-button.
From console you should change to the ddns log directory (default '/var/log/ddns').
You will find a logfile for every configuration/section.
cd /var/log/ddns ls -la cat myddns_ipv4.log cat myddns_ipv6.log
Debugging
To debug what's going on, you can run ddns-scripts in verbose mode.
Following verbose level are defined:
| Level | Description |
|---|---|
| 0 | Non verbose - No output |
| 1 | Output to console (default) |
| 2 | Output to console and logfile. Run once WITHOUT retry on error. |
| 3 | Output to console and logfile. Run once WITHOUT retry on error. Sending NO update to DDNS service. |
Before starting debugging stop all running ddns-scripts processes:
/etc/init.d/ddns stop /etc/init.d/ddns disable
validate that no ddns-scripts processes running:
ps | grep dynami[c]
Now you can start one configuration/section for debugging. To stop/break running script press [CTRL]+C.
Replace 'myddns' with your desired configuration/section name and 'level' with the desired verbose level.
/usr/lib/ddns/dynamic_dns_updater.sh myddns level
You will get full description of errors and the output of programs like wget, nslookup etc. used by ddns-scripts
Common errors
Network and name resolution problems
Check your communication settings with the following commands:
nslookup google-public-dns-a.google.com ping -c 5 google-public-dns-a.google.com ping -c 5 -4 google-public-dns-a.google.com # (-4) force IPv4 communication ping -c 5 -6 google-public-dns-a.google.com # (-6) force IPv6 communication if installed wget -O- http://checkip.dyndns.com # for IPv4 wget -d -O- http://checkipv6.dyndns.com # for IPv6 needs wget package and IPv6 to be installed curl -v http://checkipv6.dyndns.com # for IPv6 needs curl package and IPv6 to be installed
HTTPS/SSL problems
Check if your DDNS provider ONLY supports secure requests and enable HTTPS (option use_https) in your configuration.
Packages 'wget' or 'curl' not installed to support secure communication.
'wget'/'curl' could not access/validate SSL certificates.
Check certificate installation and run 'wget' or 'curl' in verbose/debug mode:
ls -la /etc/ssl ls -la /etc/ssl/certs wget -d -O /tmp/wget.out https://www.google.com --ca-certificate=/etc/ssl/certs/ca-certificates.crt # single certificate file wget -d -O /tmp/wget.out https://www.google.com --ca-directory=/etc/ssl/certs # certificate directory wget -d -O /tmp/wget.out https://www.google.com --no-check-certificate # ignore certificate !!! INSECURE !!! curl -v -o /tmp/curl.out https://www.google.com --cacert /etc/ssl/certs/ca-certificates.crt # single certificate file curl -v -o /tmp/curl.out https://www.google.com --capath /etc/ssl/certs # certificate directory curl -v -o /tmp/curl.out https://www.google.com --insecure # ignore certificate !!! INSECURE !!!
Provider specifics
Overview
Remember to read how to configure a custom service.
At provider specific settings, only parameters that needs to be changed are described.
The relevant parameters to use together with a custom settings are:
| UCI option | LuCI description | Explanatory note |
|---|---|---|
| service_name | DDNS Service provider | Inside LuCI set to '--custom--' or delete from '/etc/config/ddns' if you need to use custom update URL. |
| update_url | Custom update-URL | Copy from description below, if necessary. |
| domain | Hostname/Domain | The already registered name at your DDNS provider. |
| username | Username | Normally your username but possibly used with different settings. |
| password | Password | Normally your password but possibly used with different settings. |
If you find a at a provider description below, please support the ddns-scripts maintainer to test and update this page.
Please post a support request if something is not working as described or needs to be updated.
Thanks!
If you find problem “Failed writing HTTP request: Bad file descriptor” in some server / wget version (see: https://bugzilla.redhat.com/show_bug.cgi?id=912358), it is worth to try changing the update_url in /etc/config/ddns from
"http://[USERNAME]:[PASSWORD]path_to_your_provider_and_other_things"
to
"--user=[USERNAME] --password:[PASSWORD] http://path_to_your_provider_and_other_things"
AND change one line in /usr/lib/ddns/dynamic_dns_updater.sh from
update_output=$( $retrieve_prog "$final_url" )
to
update_output=$( $retrieve_prog $final_url )
dnsomatic.com
Last updated: 2015-07-28
Homepage -- Documentation
The default is to use 'domain' together with 'service_name' set to 'dnsomatic.com'.
'domain' needs to be set to FQDN to update/verify. NEVER use 'all.dnsomatic.com'!
To update all services registered with DNS-O-Matic in one configuration/section use the following settings:
service_name delete / --custom-- update_url http://[USERNAME]:[PASSWORD]@updates.dnsomatic.com/nic/update?hostname=all.dnsomatic.com&myip=[IP]&wildcard=NOCHG&mx=NOCHG&backmx=NOCHG domain [Only ONE of your defined hostnames to verify update was send] username [Your username] password [Your password]
duckdns.org
Last updated: 2015-07-14
Homepage -- Installation instructions -- FAQ
There is another description here. I take over the link during rewriting this wiki page.
Inside LuCI web UI select --custom-- and fill in the other options accordingly.
Be sure you install ssl support.
Additional use update_url and settings from below:
update_url http://www.duckdns.org/update?domains=[USERNAME]&token=[PASSWORD]&ip=[IP] domain [Your FQDN] username [Your Host without ".duckdns.org"] password [Your token] use_https 1 cacert [path to certificate file or directory]
freedns.afraid.org
Last updated: 2015-07-15
Homepage -- FAQ
Option 1:
service_name afraid.org-v2-token domain [Your FQDN] username [NOT used. Set to a character of your choice, because LuCI does not accept empty field] password [Your authorisation token, NOT your account password]
To find your authorisation token, go to http://freedns.afraid.org/dynamic/, login, click “Direct URL”.
On the location bar of your browser, copy the authorisation token,
which is the part after http://freedns.afraid.org/dynamic/update.php? url
and paste it in the password field.
Option 2: (Taken from here.)
service_name delete / --custom-- update_url [Your direct URL updater from your freedns.afraid.org account] domain [Your FQDN] username [NOT used. Set to a character of your choice, because LuCI does not accept empty field] password [NOT used because already part of direct URL. Set to a character of your choice, because LuCI does not accept empty field]
gratisdns.dk
Last updated: 2015-07-20
Homepage (Danish only)
Taken from OpenWrt forum
GratisDNS.dk is only supported by ddns-scripts using custom service settings.
GratisDNS.dk require to install and configure SSL support.
service_name delete / --custom-- update_url http://ssl.gratisdns.dk/ddns.phtml?u=[USERNAME]&p=[PASSWORD]&d=Mydomain&h=[DOMAIN]&i=[IP] !!! replace "Mydomain" in this url with domain part of your FQDN. Sample: your FQDN: host.example.com -> "Mydomain" set to example.com Sample: http://ssl.gratisdns.dk/ddns.phtml?u=[USERNAME]&p=[PASSWORD]&d=example.com&h=[DOMAIN]&i=[IP] domain [Your FQDN] username [Your username] password [Your password]
he.net
Last updated: 2015-07-15
Homepage
There is another description here. I take over the link during rewriting this wiki page.
Use the following settings:
service_name he.net domain [Your FQDN] username [Your FQDN] password [Your password]
mythic-beasts.com
Last updated: 2015-07-20
Homepage -- Support
Looking on description at “Use Mythic Beasts Dynamic DNS with your OpenWRT router” and on the existing source code I found out that there must be issues updating Dynamic DNS.
I have gone in contact with support of mythic-beasts.com. I will update as soon a solution is available.
namecheap.com
Last updated: 2015-07-21
Homepage -- Knowledgebase
Note that with the namecheap protocol, the username option is translated to the host argument in the update request.
Therefore, it should be the host-part on the DNS record, not the username that you use to log into the namecheap.com site.
To update multiple hosts you might need to define separate configuration/section for each host.
To get your password, log into the namecheap.com site, enter the management console for the domain, and click the Dynamic DNS menu option.
Currently ddns-scripts only supports the case where your dynamic subdomain has the same IP address as for your unqualified domain. Otherwise you will send updates to namecheap.com every “option check_interval” 10 minutes (default) because your FQDN is not validated. Proposed solution here, which you can easily implement yourself. (This may only be an issue for ddns-scripts 2.4).
Let assume you define two FQDN at your domain “example.com”: “www.example.com” and “ftp.example.com“
To update only your domain record “example.com”:
service_name namecheap.com domain [Your domain, here: example.com] username @ password [Your password]
To update for example only your ”ftp.example.com” host:
service_name namecheap.com domain [Your domain, here: example.com] username ftp password [Your password]
To update all to the same IP address:
service_name namecheap.com domain [Your domain, here: example.com] username @ -a www -a ftp !!! @ stands for your domain, www for www.example.com, ftp for ftp.example.com password [Your password]
noip.com
Last updated: 2015-07-21
Homepage -- SupportCenter
Starting CC 15.05 do not forget to additional install ddns-scripts_no-ip_com package.
The default is to use your 'username' and 'password' as normal inside ddns-scripts together with 'service_name' 'no-ip.com' or 'noip.com'.
If you want to update multiple hosts inside one configuration/section you need the following settings:
service_name delete / --custom-- update_url http://[USERNAME]:[PASSWORD]@dynupdate.no-ip.com/nic/update?myip=[IP]&hostname= !!! After the 'hostname=' fill in a comma separated list of hosts to update. Sample: host1.example.com,host2.example.com,host3.example.com without any spaces in between. Sample: http://[USERNAME]:[PASSWORD]@dynupdate.no-ip.com/nic/update?myip=[IP]&hostname=host1.example.com,host2.example.com,host3.example.com domain [Only ONE of your defined hostnames, i.e. host1.example.com] username [Your username] password [Your password]
spdyn.de (old spdns.de)
Last updated: 2016-08-02
Homepage -- Wiki/FAQ (German only)
The web-pages of spdns.de are now reachable at spdyn.de.
Currently updates send to update.spdns.de pages are still handled but produce warnings in DDNS update log at the provder.
Created accounts and domains at spdns.de are still working without any problems.
The default is to use your 'username' and 'password' as normal inside ddns-scripts together with 'service_name' 'spdyn.de'.
If you want to use Update-Token, keep in mind that this token can only update the host it is generated for.
Use this settings:
service_name spdyn.de domain [Your defined hostname at spdyn.de] username [Your defined hostname at spdyn.de] password [The token generated for this hostname]
If you want to update multiple hosts inside one configuration/section you need the following settings (Update-Token doesn't work):
service_name delete / --custom-- update_url http://[USERNAME]:[PASSWORD]@update.spdyn.de/nic/update?myip=[IP]&hostname= !!! After the 'hostname=' fill in a comma separated list of hosts (max. 20) to update. Sample: host1.spdyn.de,host2.spdyn.de,host3.spdyn.de without any spaces in between. Sample: http://[USERNAME]:[PASSWORD]@update.spdyn.de/nic/update?myip=[IP]&hostname=host1.spdyn.de,host2.spdyn.de,host3.spdyn.de domain [Only ONE of your defined hostnames i.e. host3.spdyn.de] username [Your username at spdyn.de] password [Your password at spdyn.de]
domains.google.com
Last updated: 2016-04-20
Google Domains allows for dynamic names to be set up in the section called Synthetic Records. To access it, log in to https://domains.google.com and go to Configure DNS for the domain in question, then scroll down to Synthetic Records and add a new one. It will issue a specific username and password for this hostname. Google requires HTTPS for updates, so be sure to also install package wget or curl in order to allow this. Use the following settings:
service_name --custom-- update_url http://[USERNAME]:[PASSWORD]@domains.google.com/nic/update?hostname=[DOMAIN]&myip=[IP] domain [Your defined hostname] username [assigned username for hostname] password [assigned password for hostname] http_secure Enabled ca_path Set to "IGNORE" or download certs and provide path