Date: Sun, 14 Jan 2001 15:19:56 -0700 (MST) From: "Forrest W. Christian" <forrestc@imach.com> To: Steve Price <sprice@hiwaay.net> Cc: =?iso-8859-1?Q?Michael_Lyngb=F8l?= <michael@lyngbol.dk>, Will Andrews <will@physics.purdue.edu>, isp@FreeBSD.ORG Subject: Re: relocating primary DNS server Message-ID: <Pine.BSF.4.21.0101141507510.22842-100000@workhorse.iMach.com> In-Reply-To: <20010114160209.W65118@bonsai.knology.net>
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On Sun, 14 Jan 2001, Steve Price wrote:
> Will that work? Are there any stumbling blocks with this approach?
I'm going to back up and start over from scratch and hopefully this will
come out better than the mangled thread we have had so far :)
Let's say you have a internic record which looks like this:
mydomain.com
Your contact information
ns01.mydomain.com 192.168.1.1
ns02.mydomain.com 192.168.1.2
Also assume you have a whole truckload of domains configured the same way.
Also assume that ns02's address needs to be changed to 10.0.0.1.
There are (at least) two ways to do this:
1) Create a whole new host record for ns02, calling it ns03 and do the
following:
a) Configure ns02 with both old and new ns03 addresses.
b) add a new NS entry for ns03 into all of the zone files for all the
domains which refer to it, with the new ip address
Like:
IN NS ns01.yourdomain.com.
IN NS ns02.yourdomain.com.
IN NS ns03.yourdomain.com.
c) Give ns03 an A record with the new address:
NS03 IN A 10.0.0.1
d) Register ns03 with the registrar of your choice (probably the one
with mydomain.com registered)
e) Change ALL the registration records for all the domains to include
ns03 and not ns02. Pray that you can get them done in a timely
fashion.
-OR-
2) Renumber the ns02 record to the new address:
a) Configure ns02 with both old and new addresses.
b) Ensure the nameserver answers authoritatively on both old and new
addresses, or at least refers people to the new address.
c) Change the A record for ns02 to 10.0.0.1
d) Submit a HOST change requrest for ns02.yourdomain.com to 10.0.0.1
Pray that the registrar can get this done sometime this century.
This is assuming that all of the domains use the same name for the
secondary server.
- Forrest W. Christian (forrestc@imach.com) AC7DE
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