[84945] in North American Network Operators' Group

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Re: Weird DNS issues for domains

daemon@ATHENA.MIT.EDU (Robert E.Seastrom)
Thu Sep 29 10:54:04 2005

To: Matthew Crocker <matthew@crocker.com>
Cc: nanog@nanog.org
From: Robert E.Seastrom <rs@seastrom.com>
Date: Thu, 29 Sep 2005 10:53:37 -0400
In-Reply-To: <6185B429-40CE-435D-AD71-D3F100B14996@crocker.com> (Matthew
 Crocker's message of "Thu, 29 Sep 2005 09:33:11 -0400")
Errors-To: owner-nanog@merit.edu



Matthew Crocker <matthew@crocker.com> writes:

> Everything looks like it is configured properly on my servers but the
> customer is reporting that certain parents (VerizonDSL, Comcast,
> DirectWAY) can connect to certain website and not others.   At this
> point I think the problem is with the DNS servers at their ISP.
>
> Can someone confirm my sanity?   My zone of control starts at
> mtrsd.k12.ma.us  I do not have control over k12.ma.us

I just tested it from a Verizon DSL host and it worked.

You might want to consider reading RFC 2182 though, particularly the
part about geographically diverse nameservers.

Cheers,

                                        ---Rob



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