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Dynamic DNS

Keep a name such as home.example.com pointing at an internet line whose address changes, using a token in your router or a small program.

Reference Checked against panel v2.3.2 Updated 11 Oct 2026 · 3 min read Open in your panel

Dynamic DNS keeps one of your A or AAAA records pointing at an address that changes, such as a home or office internet line. You make the record dynamic in the panel and get a token. Your router, or a small update program on a computer behind that line, then sends the current address to Zeyo Host with the token, and the record is changed to match.

Make a record dynamic

  1. In the panel, open Domains → Dynamic DNS.
  2. Under Make a Record Dynamic, choose the record in Record. Each entry shows the name, the type and the address it has now.
  3. Click Make Dynamic.
  4. The token appears under Your new token. Click Copy and paste it into your router or update program.
  5. Click I have saved it.
The Dynamic DNS page with the Make a Record Dynamic form, the Dynamic hosts table and the Setting up your router or program instructions.The Dynamic DNS page with the Make a Record Dynamic form, the Dynamic hosts table and the Setting up your router or program instructions.

Set up your router or program

The Setting up your router or program box on the page shows the server and update path to use. In your router's Dynamic DNS settings, or in an update program such as ddclient:

Setting What to enter
Protocol dyndns2 (DynDNS), or a custom provider
Server The server shown on the page
Update path /nic/update
User name The full name of the record, such as home.example.com
Password The token

Without a router setting, call the update address yourself from a computer on that line, adding ?hostname=home.example.com and sending the token as the password. The address you call from is used. A program can send a different address in myip, and one that cannot send a password can add the token as token= instead.

Read the answers

The update address answers in plain text, in the words routers understand:

Answer Meaning
good and an address The record now points at that address.
nochg and an address The record already had that address. Nothing changed.
badauth The token is wrong or was replaced, the host was removed, or your plan no longer includes Dynamic DNS.
nohost The hostname does not match the token's record, or the record was deleted in the Zone Editor.
notfqdn The hostname is not a full name. Send home.example.com, not home.
badip The address is not a public address of the record's type (IPv4 for A, IPv6 for AAAA).
dnserr The record could not be changed. Try again later.

The Dynamic hosts table shows each host's Last address and Last update (Never until the first call succeeds).

Make a new token

  1. In Dynamic hosts, click New token on the host.
  2. Copy the new token and put it in your router or program, then click I have saved it.

Stop updating a record

  1. Click Remove on the host.
  2. Click Stop updating to confirm.

Common errors

Message Why What to do
You have no A or AAAA records yet. There is no record that can be made dynamic. Add an A or AAAA record in the Zone Editor.
That record is already dynamic. The record is already in Dynamic hosts. Use New token on it if you need a token.
Choose one of your A or AAAA records. The chosen record no longer exists. Reload the page and choose again.
The record field is required. No record is chosen. Choose a record in Record.

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