DNS for ben.edu

Mark Andrews marka at isc.org
Sat Oct 27 03:47:52 UTC 2012


In message <A694979C636D1F4B94725CE6B753F62A0E9B1E39 at WNCNAPMAIL01.wncloud.com>, Tim Huffman writes:
> 
> We are the primary DNS servers for the ben.edu domain. We seem to be 
> having an issue with an AT&T server that is responding  with incorrect A 
> records for www.ben.edu<http://www.ben.edu> and ben.edu.
> 
> What it SHOULD be the response:
> nslookup www.ben.edu
> Server:         63.250.224.66
> Address:        63.250.224.66#53
> 
> www.ben.edu     canonical name = ben.edu.
> Name:   ben.edu
> Address: 38.100.120.100
> 
> What 12.127.17.83 is responding with:
> > www.ben.edu
> Server:  tbru.br.rs.els-gms.att.net
> Address:  12.127.17.83
> 
> Non-authoritative answer:
> Name:    www.ben.edu
> Address:  208.91.197.132

Looks to be right now.  Did you wait a full day for the old records
to timeout of the caches?

; <<>> DiG 9.10.0pre-alpha <<>> www.ben.edu @tbru.br.rs.els-gms.att.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8202
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.ben.edu.			IN	A

;; ANSWER SECTION:
www.ben.edu.		86355	IN	CNAME	ben.edu.
ben.edu.		86355	IN	A	38.100.120.100

;; Query time: 164 msec
;; SERVER: 12.127.17.83#53(12.127.17.83)
;; WHEN: Sat Oct 27 14:45:26 2012
;; MSG SIZE  rcvd: 70

> This appears to be affecting only iPhones and iPads on the AT&T network. 
> Is anybody else having problems with this? Are there any AT&T people on 
> this list that can help?
> 
> 
> 
> Tim Huffman
> Business Only Broadband
> 777 Oakmont Lane, Suite 2000, Westmont, IL 60559
> Direct: 630.590.6012 | Main: 630.590.6000 | Fax: 630.986.2496
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> 

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org



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