Check that www.unl.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 unl.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1034
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			169519	IN	NS	a.root-servers.net.
.			169519	IN	NS	d.root-servers.net.
.			169519	IN	NS	m.root-servers.net.
.			169519	IN	NS	g.root-servers.net.
.			169519	IN	NS	k.root-servers.net.
.			169519	IN	NS	h.root-servers.net.
.			169519	IN	NS	l.root-servers.net.
.			169519	IN	NS	f.root-servers.net.
.			169519	IN	NS	c.root-servers.net.
.			169519	IN	NS	e.root-servers.net.
.			169519	IN	NS	j.root-servers.net.
.			169519	IN	NS	b.root-servers.net.
.			169519	IN	NS	i.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	38842	IN	A	198.41.0.4
a.root-servers.net.	38842	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	515507	IN	A	192.228.79.201
c.root-servers.net.	384890	IN	A	192.33.4.12
d.root-servers.net.	343239	IN	A	128.8.10.90
d.root-servers.net.	343239	IN	AAAA	2001:500:2d::d
e.root-servers.net.	515507	IN	A	192.203.230.10
f.root-servers.net.	39713	IN	A	192.5.5.241
f.root-servers.net.	344589	IN	AAAA	2001:500:2f::f
g.root-servers.net.	40377	IN	A	192.112.36.4
h.root-servers.net.	602228	IN	A	128.63.2.53
h.root-servers.net.	602228	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	38949	IN	A	192.36.148.17
i.root-servers.net.	38949	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:12:42 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1046
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	d.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: 128 msec
;; SERVER: 192.112.36.4#53(g.root-servers.net)
;; WHEN: Wed May 23 03:12:42 2012
;; MSG SIZE  rcvd: 260

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2038
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 4

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

;; AUTHORITY SECTION:
unl.edu.		172800	IN	NS	forrestal.unl.edu.
unl.edu.		172800	IN	NS	lexington.unl.edu.
unl.edu.		172800	IN	NS	dryas.ttu.edu.
unl.edu.		172800	IN	NS	dotis.ttu.edu.

;; ADDITIONAL SECTION:
forrestal.unl.edu.	172800	IN	A	129.93.6.189
lexington.unl.edu.	172800	IN	A	129.93.6.146
dryas.ttu.edu.		172800	IN	A	129.118.201.24
dotis.ttu.edu.		172800	IN	A	129.118.201.25

;; Query time: 254 msec
;; SERVER: 192.26.92.30#53(c.edu-servers.net)
;; WHEN: Wed May 23 03:12:42 2012
;; MSG SIZE  rcvd: 181

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 589
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
unl.edu.		86400	IN	SOA	lexington.unl.edu. mdavison1.unl.edu. 2002143520 21600 3600 604800 86400

;; Query time: 228 msec
;; SERVER: 129.93.6.189#53(forrestal.unl.edu)
;; WHEN: Wed May 23 03:12:42 2012
;; MSG SIZE  rcvd: 81

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.unl.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1625
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.unl.edu.		300	IN	CNAME	frontier.unl.edu.

;; AUTHORITY SECTION:
unl.edu.		10800	IN	SOA	lexington.unl.edu. mdavison1.unl.edu. 2002143512 21600 3600 604800 86400

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:12:43 2012
;; MSG SIZE  rcvd: 108

Checking other options ... failed too.

SMTP

MX 10 pm-cso-2.unl.edu
Looking for AAAA on pm-cso-2.unl.edu
MX 10 mailgate1.unl.edu
Looking for AAAA on mailgate1.unl.edu
MX 10 mailgate2.unl.edu
Looking for AAAA on mailgate2.unl.edu
MX 10 pm-cso-1.unl.edu
Looking for AAAA on pm-cso-1.unl.edu

DNS

Looking for AAAA of NS forrestal.unl.edu
No AAAA record for forrestal.unl.edu
Looking for AAAA of NS lexington.unl.edu
No AAAA record for lexington.unl.edu

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.unl.edu
Looking for a SRV record for _xmpp-server._tcp.unl.edu

Last Updated: Tue May 22 17:42:48 2012 UTC