Remove/add [A] records based upon server availability

[Alan Clegg]

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 1.1.1.1, 2.2.2.2, 3.3.3.3  If 3.3.3.3 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...

AlanC