dns A RR as failover
Holger Honert
holger.honert at signal-iduna.org
Fri Feb 17 10:18:53 UTC 2006
Hi Alex,
with multiple A-records you can only achive load-balancing (round-robin).
Failover has to be handled not by dns but by application(s) such as
HA-cluster.
Regards
Holger
Aleksander schrieb:
> Hi,
>
> This question does not concern bind directly, but DNS generally.
>
> MX records are setup with priorities to create failover servers. That's
> nice. But could something like that be done with A records?
>
> Say, if I specify two A records for domain.com, which one will the
> clients use and what if the first one they tried, fails? I can't specify
> priorities for them like with MX.
>
> For example google.com has several A records. How does failover work for
> A records work in DNS?
>
> Thanks in advance,
> Alex
>
>
>
>
>
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