Check that www.vanderbilt.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 vanderbilt.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1745
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			166285	IN	NS	i.root-servers.net.
.			166285	IN	NS	c.root-servers.net.
.			166285	IN	NS	g.root-servers.net.
.			166285	IN	NS	m.root-servers.net.
.			166285	IN	NS	l.root-servers.net.
.			166285	IN	NS	j.root-servers.net.
.			166285	IN	NS	e.root-servers.net.
.			166285	IN	NS	a.root-servers.net.
.			166285	IN	NS	h.root-servers.net.
.			166285	IN	NS	k.root-servers.net.
.			166285	IN	NS	f.root-servers.net.
.			166285	IN	NS	b.root-servers.net.
.			166285	IN	NS	d.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	35608	IN	A	198.41.0.4
a.root-servers.net.	35608	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	512273	IN	A	192.228.79.201
c.root-servers.net.	381656	IN	A	192.33.4.12
d.root-servers.net.	340005	IN	A	128.8.10.90
d.root-servers.net.	340005	IN	AAAA	2001:500:2d::d
e.root-servers.net.	512273	IN	A	192.203.230.10
f.root-servers.net.	36479	IN	A	192.5.5.241
f.root-servers.net.	341355	IN	AAAA	2001:500:2f::f
g.root-servers.net.	37143	IN	A	192.112.36.4
h.root-servers.net.	598994	IN	A	128.63.2.53
h.root-servers.net.	598994	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	35715	IN	A	192.36.148.17
i.root-servers.net.	35715	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 04:06:36 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1130
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	f.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	l.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: 125 msec
;; SERVER: 2001:dc3::35#53(m.root-servers.net)
;; WHEN: Wed May 23 04:06:36 2012
;; MSG SIZE  rcvd: 267

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1913
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

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

;; AUTHORITY SECTION:
vanderbilt.edu.		172800	IN	NS	ip-srv2.vanderbilt.edu.
vanderbilt.edu.		172800	IN	NS	ip-srv1.vanderbilt.edu.
vanderbilt.edu.		172800	IN	NS	ip-srv3.vanderbilt.edu.

;; ADDITIONAL SECTION:
ip-srv2.vanderbilt.edu.	172800	IN	A	129.59.2.10
ip-srv1.vanderbilt.edu.	172800	IN	A	129.59.1.10
ip-srv3.vanderbilt.edu.	172800	IN	A	72.3.249.55

;; Query time: 246 msec
;; SERVER: 192.5.6.30#53(a.edu-servers.net)
;; WHEN: Wed May 23 04:06:36 2012
;; MSG SIZE  rcvd: 146

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1404
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 7, ADDITIONAL: 7

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

;; ANSWER SECTION:
vanderbilt.edu.		86400	IN	SOA	ip-srv1.vanderbilt.edu. noc.vanderbilt.edu. 2012052202 7200 3600 1209600 3600

;; AUTHORITY SECTION:
vanderbilt.edu.		86400	IN	NS	ip-srv5.vanderbilt.edu.
vanderbilt.edu.		86400	IN	NS	ip-srv4.vanderbilt.edu.
vanderbilt.edu.		86400	IN	NS	ip-srv1.vanderbilt.edu.
vanderbilt.edu.		86400	IN	NS	its-scapns03.vanderbilt.edu.
vanderbilt.edu.		86400	IN	NS	ip-srv2.vanderbilt.edu.
vanderbilt.edu.		86400	IN	NS	ip-srv3.vanderbilt.edu.
vanderbilt.edu.		86400	IN	NS	its-hcapns03.vanderbilt.edu.

;; ADDITIONAL SECTION:
its-hcapns03.vanderbilt.edu. 86400 IN	A	129.59.1.7
ip-srv1.vanderbilt.edu.	86400	IN	A	129.59.1.10
its-scapns03.vanderbilt.edu. 86400 IN	A	129.59.2.7
ip-srv5.vanderbilt.edu.	86400	IN	A	129.59.2.9
ip-srv3.vanderbilt.edu.	86400	IN	A	72.3.249.55
ip-srv4.vanderbilt.edu.	86400	IN	A	129.59.1.9
ip-srv2.vanderbilt.edu.	86400	IN	A	129.59.2.10

;; Query time: 240 msec
;; SERVER: 129.59.1.10#53(ip-srv1.vanderbilt.edu)
;; WHEN: Wed May 23 04:06:37 2012
;; MSG SIZE  rcvd: 348

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.vanderbilt.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1340
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
vanderbilt.edu.		3600	IN	SOA	ip-srv1.vanderbilt.edu. noc.vanderbilt.edu. 2012052202 7200 3600 1209600 3600

;; Query time: 6 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 04:06:38 2012
;; MSG SIZE  rcvd: 84

Checking other options ... failed too.

SMTP

MX 5 mail.messaging.microsoft.com
Looking for AAAA on mail.messaging.microsoft.com

DNS

Looking for AAAA of NS ip-srv1.vanderbilt.edu
No AAAA record for ip-srv1.vanderbilt.edu
Looking for AAAA of NS its-scapns03.vanderbilt.edu
No AAAA record for its-scapns03.vanderbilt.edu
Looking for AAAA of NS ip-srv2.vanderbilt.edu
No AAAA record for ip-srv2.vanderbilt.edu
Looking for AAAA of NS ip-srv4.vanderbilt.edu
No AAAA record for ip-srv4.vanderbilt.edu
Looking for AAAA of NS ip-srv3.vanderbilt.edu
No AAAA record for ip-srv3.vanderbilt.edu
Looking for AAAA of NS ip-srv5.vanderbilt.edu
No AAAA record for ip-srv5.vanderbilt.edu
Looking for AAAA of NS its-hcapns03.vanderbilt.edu
No AAAA record for its-hcapns03.vanderbilt.edu

NTP

Looking for an A record for ntp.vanderbilt.edu
Looking for an A record for clock.vanderbilt.edu
Looking for an A record for time.vanderbilt.edu
Looking for an A record for chime.vanderbilt.edu

XMPP

Looking for a SRV record for _xmpp-client._tcp.vanderbilt.edu
Looking for a SRV record for _xmpp-server._tcp.vanderbilt.edu
Found XMPP server xmpp-server2.l.google.com (0, 5269)
Trying to connect to 74.125.134.125 on 5269 ... Connection succeeded
Found XMPP server xmpp-server4.l.google.com (0, 5269)
Trying to connect to 74.125.131.125 on 5269 ... Connection succeeded
Found XMPP server xmpp-server3.l.google.com (0, 5269)
Trying to connect to 173.194.68.125 on 5269 ... Connection succeeded
Found XMPP server xmpp-server1.l.google.com (0, 5269)
Trying to connect to 74.125.142.125 on 5269 ... Connection succeeded

Last Updated: Tue May 22 18:36:46 2012 UTC