You may use Dynu dynamic DNS service with E-Lins's 'custom' option.
From the main menu, select Services then DDNS. Use the following settings:
Dynu Custom IP Update URL

From the main menu, select Services then DDNS. Use the following settings:
- Enabled: check the check box
- IP address version: IPv4-Address if you are updating ipv4 address, otherwise IPv6-Address DDNS Service provider[IPv4]: --custom--
- Custom update-URL: https://api.dynu.com/nic/update?hostname=yourhost
- Custom update-script:
- Hostname/Domain: enter your hostname. You may find it in the Control Panel or sign up using here.
- Username: enter your Dynu username, which could be found in My Account section of the control panel
- Password: enter your Dynu password or IP update password. MD5 or SHA256 of the password is also accepted on our server side.

Update one domain name
Non SSL:
http://api.dynu.com/nic/update?hostname=example.dynuddns.com
SSL Format:
https://api.dynu.com/nic/update?hostname=example.dynuddns.com
Update all domains in your account that do not have a group
Non SSL:
http://api.dynu.com/nic/update?username=USERNAME
SSL Format:
https://api.dynu.com/nic/update?username=USERNAME
Update an alias
Non SSL:
http://api.dynu.com/nic/update?hostname=example.dynu.com&alias=Alias
SSL Format:
https://api.dynu.com/nic/update?hostname=example.dynu.com&alias=Alias
Update all the domains/hostnames in a group
Non SSL:
http://api.dynu.com/nic/update?username=USERNAME&group=GROUPNAME
SSL Format:
https://api.dynu.com/nic/update?username=USERNAME&group=GROUPNAME
If you still have questions on the configuration, you may refer to the
API
page
or
contact
support.
Update all domains in your account that do not have a group
Update an alias
Custom
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