can't see nameserver externally
cet1 at cam.ac.uk
Tue Dec 9 16:18:32 UTC 2008
On Dec 9 2008, Davenport, Steve M wrote:
>I noticed that one of our nameservers is no longer responding with the
>correct address externally. The server is ns-2.hosp.utmck.edu and is
>listed as a server in the registration record for utmck.edu. The address
>should be 220.127.116.11 but a dig/nslookup from an external site returns
>18.104.22.168. We do not have 22.214.171.124 in any of the zone files, but
>this address is the external address of a broadband service manager in
>our network. Using dig/nslookup on the local network verifies that
>126.96.36.199 is not in the zone files or cache of our nameservers. The
>name and address of our ns-2 resolve correctly internally. Can someone
>please tell me how to identify and correct this problem.
It's probably coming from the glue at the GTLD nameservers:
$ dig +norec +nostats +nocmd anything.utmck.edu @a.gtld-servers.net
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 346
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;anything.utmck.edu. IN A
;; AUTHORITY SECTION:
utmck.edu. 172800 IN NS harley.mc.utmck.edu.
utmck.edu. 172800 IN NS ns-2.hosp.utmck.edu.
;; ADDITIONAL SECTION:
harley.mc.utmck.edu. 172800 IN A 188.8.131.52
ns-2.hosp.utmck.edu. 172800 IN A 184.108.40.206
Try fixing your registration there.
Email: cet1 at cam.ac.uk
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