[dns-operations] Who Ignores TTLs ?

Mark Andrews marka at isc.org
Thu Feb 17 02:31:38 UTC 2011

In message <alpine.DEB.2.00.1102171454520.4901 at green.darkmere.gen.nz>, Simon Ly
all writes:
> I keep seeing a persistent complaint that some DNS caching operators 
> ignore TTLs or otherwise keep records for longer than the TTL would 
> indicate.
> I suspect this might be an urban legend since most DNS caching software 
> doesn't even offer this as an option last time I checked.
> Does anybody actually do this? Because it keep being brought up by some 
> peopel as to why things like GSLB don't work.

It's the apps not the caches that don't respect TTLs.
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org

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