nanog mailing list archives

Re: Time out for a terminology check--"resolver" vs "server".


From: Mark Andrews <marka () isc org>
Date: Mon, 15 Feb 2010 14:46:27 +1100


In message <6eb799ab1002141824s652c4f31od02cb750912a064b () mail gmail com>, James
 Hess writes:

Also,  BIND  implements the  EXPIRE  value in the SOA.
But  other DNS server software applications widely ignore this value,
and the zone stays authoritative on all servers,  no matter how much
time elapses between updates  (in that case).

And if there are loops in the zone transfer graph slaves can stay
alive even if they are checking the serial of the master to see if
they need to expire the zone.
 
Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka () isc org


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