[47188] in North American Network Operators' Group
Re: root zone file
daemon@ATHENA.MIT.EDU (John R. Levine)
Fri Apr 26 22:57:39 2002
Date: 26 Apr 2002 22:55:30 -0400
Message-ID: <20020427025530.25715.qmail@xuxa.iecc.com>
From: johnl@iecc.com (John R. Levine)
To: nanog@merit.edu
In-Reply-To: <5.1.0.14.2.20020426151556.0287ae60@oak.higgs.net>
Cc:
Errors-To: owner-nanog-outgoing@merit.edu
> Replacing the hints file with the top level zone speeds up lookups,
> and removes the burden from the root servers:
Only if you have an impressively broken DNS cache. The entries in the
root zone (the real one) all have a TTL of 48 hours. Within about the
first three seconds after you start your cache, it'll have data for
com, org, net, arpa, edu, and whatever other TLDs your users use, and
won't have to visit them again for two days.
I looked at the stats from my DNS cache and 12 TLDs account for 95% of
the lookups, with only 79 TLDs referenced at all. There just isn't
much root zone data used.
>>I really don't want to start any discussions about the relative merits of
>>the ICANN vs. ORSC vs. New.net vs. anything root zones, ...
Uh huh.
--
John R. Levine, IECC, POB 727, Trumansburg NY 14886 +1 607 387 6869
johnl@iecc.com, Village Trustee and Sewer Commissioner, http://iecc.com/johnl,
Member, Provisional board, Coalition Against Unsolicited Commercial E-mail
