Suggestions for coping with this issue
Alan_Clegg at isc.org
Sun May 4 00:07:28 UTC 2008
Tuc at T-B-O-H.NET wrote:
> We have a few systems that need to do DNS lookups for a few domains
> outside of our control, make decisions based on it, and sleep for an hour.
> The problem is that they have a hair timer on getting the reply back. It seems
> if it isn't back in 500ms or less, it considers the domain invalid and won't
> allow anyone who uses that system to do what they need to.
> The domains we need to get have a 5 minute TTL on the records. After
> you use nslookup/dig to get the information, the subsequent requests are of
> course quicker due to caching.
> Is there anything we can do to "poke" bind 9 to either extend the
> TTL, or during a special query/command flush and reget that remote zone
rndc flushname www.cnn.com
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