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Date:      Fri, 11 Oct 1996 13:18:08 -0600 (MDT)
From:      Ade Barkah <mbarkah@hemi.com>
To:        jkh@time.cdrom.com (Jordan K. Hubbard)
Cc:        hackers@freebsd.org
Subject:   Re: Site maintainers for subdomains under freebsd.org - please read!
Message-ID:  <199610111918.NAA27878@hemi.com>
In-Reply-To: <824.845039160@time.cdrom.com> from "Jordan K. Hubbard" at Oct 11, 96 06:06:00 am

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> The following CNAMEs should be in place, just to make it easier
> for us to figure out name server topology when things are broken:
> 
> ns.<dom>.freebsd.org
> 
>    Your main name server.  If you have secondaries, they
>    should be ns2.<dom>.freebsd.org, ns3... and so on.

Nameservers should never be CNAMEs. They should have an A entry
instead. A typical query might run as follows:

# dig freebsd.org ns 
...
;; ANSWERS:
freebsd.org.	152687	NS	NS2.CRL.COM.
freebsd.org.	152687	NS	DNS.IBE.NET.
...
;; ADDITIONAL RECORDS:
NS2.CRL.COM.	169185	A	165.113.1.37
DNS.IBE.NET.	169185	A	194.179.128.1
...

Notice that there is an 'A' record listed for each nameserver. If 
a nameserver had used a CNAME instead, then its IP address wont
be listed (since there is no 'A' record), and thus it will not
be queried by resolvers. 

Regards,

-Ade Barkah
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