[80922] in North American Network Operators' Group
Re: Underscores in host names
daemon@ATHENA.MIT.EDU (Mark Andrews)
Wed May 18 20:41:01 2005
Date: Thu, 19 May 2005 10:40:32 +1000 (EST)
From: Mark Andrews <Mark_Andrews@isc.org>
To: nanog@merit.edu
In-Reply-To: <Pine.LNX.4.60.0505180849230.24969@hermes-1.csi.cam.ac.uk>
Cc:
Errors-To: owner-nanog@merit.edu
In article <Pine.LNX.4.60.0505180849230.24969@hermes-1.csi.cam.ac.uk> you write:
>
>There are also mail domains to consider. They have superficially the same
>syntax as host names (they cannot have a trailing dot) but they are
>generally checked much more strictly for conformance to that syntax. I'm
>not sure whether the original post was about a mail domain or the name of
>a mail host, but if it was the former I would be surprised if the customer
>could claim that it works most of the time.
Hostnames can't have a dot at the end either. The dot at the
end is a local resolver indication to not use the search list.
Mark
