Remove/add [A] records based upon server availability

Alan Clegg aclegg at
Sat Dec 26 21:07:46 UTC 2009

Ryan S wrote:
> Is there a method in BIND to add/remove A records based upon server 
> availability?
> i.e.
> host www has A records,,  If is 'down' 
> (via a ping test, for example) we remove it from the [A] record until 
> such time that it is back 'up' and the host is added back to the A records.
> Does this exist in BIND or has anyone developed such a script?  I would 
> like to do this.  please help!!  thanks.

Quite an easy thing to do with dynamic DNS.  Check the result from 
"ping" (or something similar) and update DNS as appropriate.

I don't have a script to do it, but I'm sure that some simple shell 
scripting would do what you want...


More information about the bind-users mailing list