How to handle short TTLs?
DBotham at OptimusSolutions.com
Thu Oct 7 19:08:01 UTC 2004
bind-users-bounce at isc.org 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 finance.yahoo.com. 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.
> finance.yahoo.com 300 IN CNAME finance.yahoo2.akadns.net
> finance.yahoo2.akadns.net 60 IN A 126.96.36.199
> 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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