Aus PEBKAC wiki
- good -> DNS hostname update successful.
- nochg -> IP address is current, no update performed.
- nohost -> Hostname supplied does not exist under specified account.
- badauth -> Invalid username password combination.
- badagent -> The user agent was not sent or HTTP method is not permitted (we recommend use of GET request method).
- !donator -> An option available only to credited users (such as offline URL) was specified, but the user is not a credited user.
- abuse -> The hostname specified is blocked for update abuse.
- 911 -> A fatal error on our side such as a database outage. Retry the update no sooner 30 minutes.
- notfqdn -> The hostname specified is not a fully-qualified domain name (not in the form hostname.dyndns.org or domain.com)."
- 0 -> IP address is current, no update performed.
- 1 -> Update successful.
- 2 -> Hostname supplied does not exist under specified account.
- 3 -> Invalid password.
- 4 -> Invalid username.