Check that www.ou.edu exists for IPv4 in case we have a typo on the domain name. Use dig to query the local name server (::1).


; <<>> DiG 9.4.1-P1 <<>> +trace +all ou.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			168521	IN	NS	f.root-servers.net.
.			168521	IN	NS	i.root-servers.net.
.			168521	IN	NS	g.root-servers.net.
.			168521	IN	NS	d.root-servers.net.
.			168521	IN	NS	l.root-servers.net.
.			168521	IN	NS	h.root-servers.net.
.			168521	IN	NS	m.root-servers.net.
.			168521	IN	NS	c.root-servers.net.
.			168521	IN	NS	b.root-servers.net.
.			168521	IN	NS	e.root-servers.net.
.			168521	IN	NS	j.root-servers.net.
.			168521	IN	NS	k.root-servers.net.
.			168521	IN	NS	a.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	37844	IN	A	198.41.0.4
a.root-servers.net.	37844	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	514509	IN	A	192.228.79.201
c.root-servers.net.	383892	IN	A	192.33.4.12
d.root-servers.net.	342241	IN	A	128.8.10.90
d.root-servers.net.	342241	IN	AAAA	2001:500:2d::d
e.root-servers.net.	514509	IN	A	192.203.230.10
f.root-servers.net.	38715	IN	A	192.5.5.241
f.root-servers.net.	343591	IN	AAAA	2001:500:2f::f
g.root-servers.net.	39379	IN	A	192.112.36.4
h.root-servers.net.	601230	IN	A	128.63.2.53
h.root-servers.net.	601230	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	37951	IN	A	192.36.148.17
i.root-servers.net.	37951	IN	AAAA	2001:7fe::53

;; Query time: 11 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:29:20 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1723
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;ou.edu.				IN	SOA

;; AUTHORITY SECTION:
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.

;; ADDITIONAL SECTION:
a.edu-servers.net.	172800	IN	A	192.5.6.30
c.edu-servers.net.	172800	IN	A	192.26.92.30
d.edu-servers.net.	172800	IN	A	192.31.80.30
f.edu-servers.net.	172800	IN	A	192.35.51.30
g.edu-servers.net.	172800	IN	A	192.42.93.30
l.edu-servers.net.	172800	IN	A	192.41.162.30
g.edu-servers.net.	172800	IN	AAAA	2001:503:cc2c::2:36

;; Query time: 42 msec
;; SERVER: 2001:500:2f::f#53(f.root-servers.net)
;; WHEN: Wed May 23 03:29:20 2012
;; MSG SIZE  rcvd: 259

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 103
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;ou.edu.				IN	SOA

;; AUTHORITY SECTION:
ou.edu.			172800	IN	NS	zoo.backbone.ou.edu.
ou.edu.			172800	IN	NS	zoz.backbone.ou.edu.
ou.edu.			172800	IN	NS	sc2.backbone.ou.edu.
ou.edu.			172800	IN	NS	rc2.backbone.ou.edu.
ou.edu.			172800	IN	NS	mc1.backbone.ou.edu.

;; ADDITIONAL SECTION:
zoo.backbone.ou.edu.	172800	IN	A	129.15.0.138
zoz.backbone.ou.edu.	172800	IN	A	129.15.0.142
sc2.backbone.ou.edu.	172800	IN	A	129.15.0.154
rc2.backbone.ou.edu.	172800	IN	A	129.15.0.162
mc1.backbone.ou.edu.	172800	IN	A	129.15.0.130

;; Query time: 248 msec
;; SERVER: 192.41.162.30#53(l.edu-servers.net)
;; WHEN: Wed May 23 03:29:20 2012
;; MSG SIZE  rcvd: 203

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 651
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;ou.edu.				IN	SOA

;; ANSWER SECTION:
ou.edu.			86400	IN	SOA	zoo.backbone.ou.edu. reg_admin.ou.edu. 2012052204 10800 900 604800 3600

;; AUTHORITY SECTION:
ou.edu.			86400	IN	NS	zoo.backbone.ou.edu.
ou.edu.			86400	IN	NS	sc2.backbone.ou.edu.
ou.edu.			86400	IN	NS	rc2.backbone.ou.edu.
ou.edu.			86400	IN	NS	zoz.backbone.ou.edu.
ou.edu.			86400	IN	NS	mc1.backbone.ou.edu.

;; ADDITIONAL SECTION:
mc1.backbone.ou.edu.	86400	IN	A	129.15.0.130
rc2.backbone.ou.edu.	86400	IN	A	129.15.0.162
sc2.backbone.ou.edu.	86400	IN	A	129.15.0.154
zoo.backbone.ou.edu.	86400	IN	A	129.15.0.138
zoz.backbone.ou.edu.	86400	IN	A	129.15.0.142

;; Query time: 220 msec
;; SERVER: 129.15.0.130#53(mc1.backbone.ou.edu)
;; WHEN: Wed May 23 03:29:21 2012
;; MSG SIZE  rcvd: 249

HTTP

Looking for CNAME of www.ou.edu
Checking if there is a AAAA for www.ou.edu ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.ou.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1705
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.ou.edu.			IN	AAAA

;; ANSWER SECTION:
www.ou.edu.		7199	IN	CNAME	devday.zero.ou.edu.

;; AUTHORITY SECTION:
ou.edu.			3600	IN	SOA	zoo.backbone.ou.edu. reg_admin.ou.edu. 2012052204 10800 900 604800 3600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:29:22 2012
;; MSG SIZE  rcvd: 113

Checking other options ... failed too.

SMTP

MX 10 et2.zero.ou.edu
Looking for AAAA on et2.zero.ou.edu
MX 10 et1.zero.ou.edu
Looking for AAAA on et1.zero.ou.edu

DNS

Looking for AAAA of NS sc2.backbone.ou.edu
No AAAA record for sc2.backbone.ou.edu
Looking for AAAA of NS mc1.backbone.ou.edu
No AAAA record for mc1.backbone.ou.edu
Looking for AAAA of NS rc2.backbone.ou.edu
No AAAA record for rc2.backbone.ou.edu
Looking for AAAA of NS zoo.backbone.ou.edu
No AAAA record for zoo.backbone.ou.edu
Looking for AAAA of NS zoz.backbone.ou.edu
No AAAA record for zoz.backbone.ou.edu

NTP

Looking for an A record for ntp.ou.edu
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for ntp.ou.edu
Cannot find a AAAA record for ntp.ipv6.ou.edu

XMPP

Looking for a SRV record for _xmpp-client._tcp.ou.edu
Found XMPP client c2s.ou.edu.webexconnect.com (5, 5222)
XMPP client ou.edu: "c2s.ou.edu.webexconnect.com"
Trying to connect to 66.163.36.120 on 5222 ... Connection succeeded
Looking for a SRV record for _xmpp-server._tcp.ou.edu
Found XMPP server s2s.ou.edu.webexconnect.com (5, 5269)
XMPP server ou.edu: "s2s.ou.edu.webexconnect.com"
Trying to connect to 66.163.36.123 on 5269 ... Connection succeeded

Last Updated: Tue May 22 17:59:29 2012 UTC