Check that www.uh.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 uh.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 299
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			170571	IN	NS	k.root-servers.net.
.			170571	IN	NS	f.root-servers.net.
.			170571	IN	NS	b.root-servers.net.
.			170571	IN	NS	m.root-servers.net.
.			170571	IN	NS	i.root-servers.net.
.			170571	IN	NS	c.root-servers.net.
.			170571	IN	NS	a.root-servers.net.
.			170571	IN	NS	j.root-servers.net.
.			170571	IN	NS	d.root-servers.net.
.			170571	IN	NS	h.root-servers.net.
.			170571	IN	NS	e.root-servers.net.
.			170571	IN	NS	g.root-servers.net.
.			170571	IN	NS	l.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	39894	IN	A	198.41.0.4
a.root-servers.net.	39894	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	516559	IN	A	192.228.79.201
c.root-servers.net.	385942	IN	A	192.33.4.12
d.root-servers.net.	344291	IN	A	128.8.10.90
d.root-servers.net.	344291	IN	AAAA	2001:500:2d::d
e.root-servers.net.	516559	IN	A	192.203.230.10
f.root-servers.net.	40765	IN	A	192.5.5.241
f.root-servers.net.	345641	IN	AAAA	2001:500:2f::f
g.root-servers.net.	41429	IN	A	192.112.36.4
h.root-servers.net.	603280	IN	A	128.63.2.53
h.root-servers.net.	603280	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	40001	IN	A	192.36.148.17
i.root-servers.net.	40001	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:55:10 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1038
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	l.edu-servers.net.
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	f.edu-servers.net.
edu.			172800	IN	NS	c.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: 129 msec
;; SERVER: 192.112.36.4#53(g.root-servers.net)
;; WHEN: Wed May 23 02:55:10 2012
;; MSG SIZE  rcvd: 259

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 390
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

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

;; AUTHORITY SECTION:
uh.edu.			172800	IN	NS	ns2.uh.edu.
uh.edu.			172800	IN	NS	ns1.uh.edu.
uh.edu.			172800	IN	NS	mesquite.cc.uh.edu.

;; ADDITIONAL SECTION:
ns2.uh.edu.		172800	IN	A	129.7.1.6
ns1.uh.edu.		172800	IN	A	129.7.1.1
mesquite.cc.uh.edu.	172800	IN	A	66.140.111.1

;; Query time: 165 msec
;; SERVER: 2001:503:cc2c::2:36#53(g.edu-servers.net)
;; WHEN: Wed May 23 02:55:11 2012
;; MSG SIZE  rcvd: 134

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 429
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 2

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

;; ANSWER SECTION:
uh.edu.			28800	IN	SOA	uhgrid2.e.uh.edu. reza.uh.edu. 2010012267 10800 3600 2592000 900

;; AUTHORITY SECTION:
uh.edu.			28800	IN	NS	ns2.uh.edu.
uh.edu.			28800	IN	NS	mesquite.cc.uh.edu.
uh.edu.			28800	IN	NS	ns1.uh.edu.

;; ADDITIONAL SECTION:
ns1.uh.edu.		28800	IN	A	129.7.1.1
ns2.uh.edu.		28800	IN	A	129.7.1.6

;; Query time: 219 msec
;; SERVER: 66.140.111.1#53(mesquite.cc.uh.edu)
;; WHEN: Wed May 23 02:55:11 2012
;; MSG SIZE  rcvd: 169

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.uh.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1942
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
uh.edu.			900	IN	SOA	uhgrid2.e.uh.edu. reza.uh.edu. 2010012267 10800 3600 2592000 900

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:55:12 2012
;; MSG SIZE  rcvd: 79

Checking other options ... failed too.

SMTP

MX 10 smtp4.cc.uh.edu
Looking for AAAA on smtp4.cc.uh.edu
MX 10 smtp3.cc.uh.edu
Looking for AAAA on smtp3.cc.uh.edu

DNS

Looking for AAAA of NS mesquite.cc.uh.edu
No AAAA record for mesquite.cc.uh.edu
Looking for AAAA of NS ns2.uh.edu
No AAAA record for ns2.uh.edu
Looking for AAAA of NS ns1.uh.edu
No AAAA record for ns1.uh.edu

NTP

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

XMPP

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

Last Updated: Tue May 22 17:25:17 2012 UTC