Anycast DNS

Todd Snyder tsnyder at
Wed Feb 29 16:00:24 UTC 2012

The reason I've heard a few times is that users are uncomfortable using only 1 address.  In the past I've done 2 or 3 addresses just so that we can give out 3 addresses that all point to the same pool of servers.

Silly, I know, but sometimes it's easier to placate than to change someone/groups understanding of the world/networking/resilience/dns/loadbalancing.


From: at [ at] On Behalf Of ju wusuo
Sent: Tuesday, February 28, 2012 10:56 PM
To: bind-users at
Subject: Anycast DNS

Have seen some anycast DNS implementations using more than one address, some times even on the same subnet, any considerations or reasons for doing that?

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