what's a valid domain name?

Barry Margolin barmar at alum.mit.edu
Tue Feb 1 02:29:02 UTC 2011

In article <mailman.1593.1296489025.555.bind-users at lists.isc.org>,
 Vyto Grigaliunas <vyto at fnal.gov> wrote:

> Although we're moving away from it, we found it useful for naming router
> interfaces, i.e. te1-2.routername.company.com, without having to create a
> separate sub-domain for each router.
> I thought at some point periods were allowed in hostnames, and they do work
> without escaping them.

I think you're confusing subdomain and subzone.  You can have subdomains 
without having subzones.  E.g. in the company.com zone file, you can put:

te1-2.routername IN A

Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***

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