DNS for ben.edu

David Conrad drc at virtualized.org
Sat Oct 27 05:24:50 UTC 2012


Mark,

On Oct 26, 2012, at 8:47 PM, Mark Andrews <marka at isc.org> wrote:
> Looks to be right now.

Nope.  Depends on from where you ask (presumably the AT&T resolvers are anycast).  This is from a machine at LINX just now:

% dig @12.127.17.83 www.ben.edu 

; <<>> DiG 9.9.2-vjs287.12 <<>> @12.127.17.83 www.ben.edu
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58630
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

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

;; ANSWER SECTION:
www.ben.edu.            300     IN      A       208.91.197.132

;; Query time: 142 msec
;; SERVER: 12.127.17.83#53(12.127.17.83)
;; WHEN: Sat Oct 27 06:21:06 2012
;; MSG SIZE  rcvd: 56

drc at shaun:~ % dig @12.127.17.83 www.ben.edu ns

; <<>> DiG 9.9.2-vjs287.12 <<>> @12.127.17.83 www.ben.edu ns
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15853
;; 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      NS

;; ANSWER SECTION:
www.ben.edu.            300     IN      NS      ns2432.ztomy.com.
www.ben.edu.            300     IN      NS      ns1432.ztomy.com.

;; Query time: 134 msec
;; SERVER: 12.127.17.83#53(12.127.17.83)
;; WHEN: Sat Oct 27 06:21:14 2012
;; MSG SIZE  rcvd: 91

This is from a colo near Dallas:

% dig @12.127.17.83 www.ben.edu

; <<>> DiG 9.7.7 <<>> @12.127.17.83 www.ben.edu
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61112
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.ben.edu.                   IN      A

;; ANSWER SECTION:
www.ben.edu.            76133   IN      CNAME   ben.edu.
ben.edu.                76133   IN      A       38.100.120.100

;; Query time: 2 msec
;; SERVER: 12.127.17.83#53(12.127.17.83)
;; WHEN: Sat Oct 27 05:22:51 2012
;; MSG SIZE  rcvd: 59

and this is from Comcast in the Bay Area:

% dig @12.127.17.83 www.ben.edu

; <<>> DiG 9.9.0rc1 <<>> @12.127.17.83 www.ben.edu
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51363
;; 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.            76097   IN      CNAME   ben.edu.
ben.edu.                76097   IN      A       38.100.120.100

;; Query time: 110 msec
;; SERVER: 12.127.17.83#53(12.127.17.83)
;; WHEN: Fri Oct 26 22:23:46 2012
;; MSG SIZE  rcvd: 70

Regards,
-drc




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