How to Setup and Configure Dynamic DNS (DDNS) in a ZyXEL Router

Last updated: October 13, 2026

  1. Step 1:

    Login to your ZyXEL router via the default gateway.

  2. Step 2: 

    Click on “Network” and then “DDNS.” ZyXEL router

  3. Step 3:

    Click “Enable Dynamic DNS.” Enter the following information: Service Provider: WWW.NO-IP.COM Host Name: all.ddnskey.com User Name: DDNS Key Username Password: DDNS Key Password DDNS Key usernames and passwords are created individually for each hostname or group of hostnames. They are generated from the DNS Records page in your account.

  4. Step 4:

    Click on “Apply.”  Congratulations, the ZyXEL router will now send No-IP updates whenever the IP address changes.