Force TTL on a Caching Name Server

Elzey, Blaine A (Blaine) belzey at
Wed Sep 6 19:25:26 UTC 2006

max-cache-ttl 300; should do it for cached RRs.

Blaine Elzey
Lucent Technologies
BElzey at

-----Original Message-----
From: bind-users-bounce at [mailto:bind-users-bounce at] On Behalf Of howting at
Sent: Tuesday, September 05, 2006 9:44 PM
To: comp-protocols-dns-bind at
Subject: Force TTL on a Caching Name Server

Hi everyone,

I am not sure if this can be done, but I would like to set up a caching name server that only caches results for a maximum of 5 minutes. That is, I would like to override the result's TTL, refresh, retry etc to only 5 minutes. Effectively, the nameserver must do a fresh lookup every 5 minutes.

Is this achievable in bind? If so, what configuration should I use?

Thank you.

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