[122461] in North American Network Operators' Group
Re: Time out for a terminology check--"resolver" vs "server".
daemon@ATHENA.MIT.EDU (Mark Andrews)
Sun Feb 14 22:47:00 2010
To: James Hess <mysidia@gmail.com>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Sun, 14 Feb 2010 20:24:04 MDT."
<6eb799ab1002141824s652c4f31od02cb750912a064b@mail.gmail.com>
Date: Mon, 15 Feb 2010 14:46:27 +1100
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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
