Moving DNS out of non-cooperative provider

John Miller johnmill at
Mon Jun 25 21:33:57 UTC 2012

We've just resolved this amicably--I'd missed the
commercial.service at rcn.comaddress, but was contacted off-list by one
of RCN's engineers, who read
this thread and has removed our domain from their nameservers.  He was
quite helpful.  No cease-and-desist letter needed--not by a long shot!


On Mon, Jun 18, 2012 at 11:22 PM, Mark Andrews <marka at> wrote:

> In message <4FDF631A.4060405 at>, John Miller writes:
> > Hi Alexander,
> >
> > We've actually run into this before.  Once upon a time, RCN cable used
> > to run some slave servers for us, but we've long since moved away from
> > them, including zone transfers.  We yanked them from our registrar a
> > long time ago, and life was good.  For whatever reason, RCN's still
> > answering queries for
> >
> > As others have mentioned, change your DNS servers with your domain
> > registrar, and you'll be fine.
> >
> > John
> And if there is another zone with a CNAME to a domain
> on those servers the clients will be getting old data.  As you have
> no control over creation of CNAMEs in other zones I would suggest
> that you send them a Cease and Decist notice if they are still doing
> it.
> Mark
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: marka at

John Miller
Systems Engineer
Brandeis University
johnmill at
(781) 736-4619
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