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From: "John Levine" <johnl@iecc.com>
Newsgroups: comp.protocols.dns.bind
Subject: Re: Invalid class in dns query
Date: 5 Aug 2020 20:11:29 -0400
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Xref: csiph.com comp.protocols.dns.bind:16042

In article <mailman.785.1596588400.942.bind-users@lists.isc.org> you write:
>Hi all,
>
>Looking for a temporary work around, while an issue gets resolved. I have a
>DNS query coming in with an invalid class requested (65 or 0x41).

The only classes ever assigned were 1, 2, 3, 4, and pseudo-classes 254 and 255.

What is class 65 supposed to be?  Why would anything that wasn't totally broken query for it?

R's,
John