[166559] in North American Network Operators' Group
RE: Reverse DNS RFCs and Recommendations
daemon@ATHENA.MIT.EDU (Nolan Rollo)
Wed Oct 30 17:34:19 2013
X-Barracuda-Envelope-From: nrollo@kw-corp.com
From: Nolan Rollo <nrollo@kw-corp.com>
To: William Herrin <bill@herrin.us>
Date: Wed, 30 Oct 2013 21:33:38 +0000
In-Reply-To: <CAP-guGV5j+uPhA=32psYO0M34Wb3Pdak9VNorWQsU-ovLUXygg@mail.gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
So in the four examples below, 3 of them preface the IP with an alpha chara=
cter. Charter however, starts the rDNS off with a number. I'm not arguing w=
ith anyone but what potential problems could that cause with DNS?=20
I'm also thinking of the famous www.1and1.com, where the number "1" starts=
off one of the sections.=20
<snip>
3. Start each section of the name with a letter, not a number or hyphen.
<snip>
> Actual Examples:
> cpe-67-XX-XX-XX.stny.res.rr.com - 67.XX.XX.XX=20
> d28-XX-XX-XX.dim.wideopenwest.com - 28.XX.XX.XX=20
> c-68-XX-XX-XX.hsd1.mi.comcast.net - 68.XX.XX.XX=20
> 24-XX-XX-XX.static.bycy.mi.charter.com - 24.XX.XX.XX
