Problem solved. After passing this information on to the proper
personnel, the domain has been modified to once again use self-
referential name-servers. The glue-records were modified as a result.
Thanks to all who assisted. :)
--
Milo Hyson
Chief Scientist
CyberLife Labs
On Jan 8, 2009, at 05:21, Milo Hyson wrote:
We have a working hypothesis. It appears that glue-records are set
only when one configures a self-referential domain (e.g. example.com
--> ns.example.com), and they're only deleted if one explicitly asks
the registrar to do so.
In our particular case, it seems when the domain in question was
moved to the new ISP, not only did the name-server IPs get changed
at the registrar but so did the names. Previously they were self-
referential, but now they are pointing to servers in another domain
(i.e. example.com --> ns.myisp.com). I'll bet anything that the
person who made the change didn't ask the registrar to delete the
old glue-records.
--
Milo Hyson
Chief Scientist
CyberLife Labs
On Jan 8, 2009, at 03:33, Milo Hyson wrote:
I would think that any server-name should be permissible for any
domain. However, the IP should only be used in the case of a self-
referential entry (your first case).
Is there any legitimate reason for someone to give an IP for a name-
server that differs from the authoritative source? That is, if the
authoritative name-server for myisp.com resolves ns1.myisp.com to
1.2.3.4, is there any valid reason for someone to register
example.com with a name-server of ns1.myisp.com and an IP of 4.5.6.7?
--
Milo Hyson
Chief Scientist
CyberLife Labs
On Jan 8, 2009, at 03:15, Matus UHLAR - fantomas wrote:
If I register example.com, it's OK to register
_anything_.example.com as
glue. However, registering _anything_.example.net should not be
accepted.
I wonder how is it possible that anyone accepts that.
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