Free DNS monitoring service

[lyew]

Does anyone know whether or not such a service is available? Basically, I'd like to be able to monitor a particular nameserver for the zonefile of a particular domain. The service should be able notify me when the zonefile changes. For example. when IP numbers in the zonefile change.

[Ajiang]

http://express.powerdns.com

[firstmark]

Have you ever been to http://zoneedit.com/ if not you might want to take a look and see if their dynamic dns service is of any help.

[sonic]

www.no-ip.com:)

[Warzone[CFW]]

http://www.mydomain.com

[n2t]

www.everydns.net

What I personally use