How to handle short TTLs?

David Botham DBotham at
Thu Oct 7 19:08:01 UTC 2004

bind-users-bounce at wrote on 10/06/2004 09:00:59 PM:
> We've been getting complaints that web browsers time out when
> they are attempting to access  The problem
> seems to be that that name resolves to a CNAME and an A record
> that both have short TTLs:

Yahoo uses Akimai.  What you are seeing is their global load balancing. 
Not much you can do about that.

>   300 IN   CNAME
>   60 IN   A
> Consequently, they are never in our DNS cache when the user browses
> to that web site.  When I test the lookup by hand, it does take
> five or ten seconds for the response to appear.  What can be done
> about this?  We are running the BIND 8.3.3 version that is shipped
> with recent Solaris 9 releases.
> -- 
> -Gary Mills-    -Unix Support-    -U of M Academic Computing and 

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