Remove/add [A] records based upon server availability

[Matus UHLAR - fantomas]

On 26.12.09 12:14, Ryan S wrote:
> Is there a method in BIND to add/remove A records based upon server
> availability?

No.

> 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.

DNS is a really bad place to implement this. It has been discussed here many
times, try searching archives to see the explanations

> Does this exist in BIND or has anyone developed such a script?  I would
> like to do this.

This should be done at network level, L3 switches and load balancers exist
to have this functionality. Or, it could be checked at application level

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