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Re: [zonecheck-tests] Warning about "Reverse for the nameserver IP" not
From: |
Stephane Bortzmeyer |
Subject: |
Re: [zonecheck-tests] Warning about "Reverse for the nameserver IP" not matching advertised host name |
Date: |
Mon, 14 Jun 2010 14:27:14 +0200 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Wed, Jun 09, 2010 at 02:49:51PM -0400,
Arcady Genkin <address@hidden> wrote
a message of 13 lines which said:
> Zonecheck issues a warning if a reverse query on a name server's IP
> address does not match the advertised host name.
Do note that SMTP servers (MTA) are much more severe, many refuse to
talk to a client without a successful PTR->A check.
> Would anyone please explain the reason for this warning?
RFC 1912, section 2.1. Note that the default is just a warning since
the proper PTR does not depend only on the name server administrator
but also on his access provider / operator.