Check that www.tulane.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 tulane.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 640
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			172432	IN	NS	d.root-servers.net.
.			172432	IN	NS	c.root-servers.net.
.			172432	IN	NS	e.root-servers.net.
.			172432	IN	NS	g.root-servers.net.
.			172432	IN	NS	l.root-servers.net.
.			172432	IN	NS	m.root-servers.net.
.			172432	IN	NS	j.root-servers.net.
.			172432	IN	NS	h.root-servers.net.
.			172432	IN	NS	i.root-servers.net.
.			172432	IN	NS	a.root-servers.net.
.			172432	IN	NS	b.root-servers.net.
.			172432	IN	NS	k.root-servers.net.
.			172432	IN	NS	f.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	41755	IN	A	198.41.0.4
a.root-servers.net.	41755	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	19	IN	A	192.228.79.201
c.root-servers.net.	387803	IN	A	192.33.4.12
d.root-servers.net.	346152	IN	A	128.8.10.90
d.root-servers.net.	346152	IN	AAAA	2001:500:2d::d
e.root-servers.net.	602144	IN	A	192.203.230.10
f.root-servers.net.	42626	IN	A	192.5.5.241
f.root-servers.net.	347502	IN	AAAA	2001:500:2f::f
g.root-servers.net.	43290	IN	A	192.112.36.4
h.root-servers.net.	328	IN	A	128.63.2.53
h.root-servers.net.	328	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	41862	IN	A	192.36.148.17
i.root-servers.net.	41862	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:24:09 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1382
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	d.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: 124 msec
;; SERVER: 2001:dc3::35#53(m.root-servers.net)
;; WHEN: Wed May 23 02:24:09 2012
;; MSG SIZE  rcvd: 263

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1862
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
tulane.edu.		172800	IN	NS	ns1.tulane.edu.
tulane.edu.		172800	IN	NS	ns2.tulane.edu.

;; ADDITIONAL SECTION:
ns1.tulane.edu.		172800	IN	A	129.81.16.37
ns2.tulane.edu.		172800	IN	A	129.81.237.3

;; Query time: 236 msec
;; SERVER: 192.31.80.30#53(d.edu-servers.net)
;; WHEN: Wed May 23 02:24:09 2012
;; MSG SIZE  rcvd: 96

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 794
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

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

;; ANSWER SECTION:
tulane.edu.		10800	IN	SOA	ns1.tulane.edu. hostmaster.tulane.edu. 348950963 7200 3600 1209600 3600

;; AUTHORITY SECTION:
tulane.edu.		10800	IN	NS	ns2.tulane.edu.
tulane.edu.		10800	IN	NS	ns1.tulane.edu.

;; ADDITIONAL SECTION:
ns1.tulane.edu.		10800	IN	A	129.81.16.37
ns2.tulane.edu.		10800	IN	A	129.81.237.3

;; Query time: 260 msec
;; SERVER: 129.81.16.37#53(ns1.tulane.edu)
;; WHEN: Wed May 23 02:24:09 2012
;; MSG SIZE  rcvd: 143

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.tulane.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.tulane.edu.		59	IN	CNAME	pulse.tcs.tulane.edu.
pulse.tcs.tulane.edu.	59	IN	CNAME	pulse2.tcs.tulane.edu.

;; AUTHORITY SECTION:
tcs.tulane.edu.		3600	IN	SOA	ns1.tulane.edu. hostmaster.tulane.edu. 348950899 7200 3600 1209600 3600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:24:11 2012
;; MSG SIZE  rcvd: 128

Checking other options ... succeeded as ipv6.tulane.edu.
Sending...

HEAD / HTTP/1.1
Host: ipv6.tulane.edu
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 200 OK
Date: Tue, 22 May 2012 16:54:12 GMT
Server: Apache
Last-Modified: Fri, 04 May 2012 21:14:28 GMT
ETag: "224-4bf3c67d81500"
Accept-Ranges: bytes
Content-Length: 548
Connection: close
Content-Type: text/html; charset=UTF-8

Accessed / [2620:10a:3000:3010:0:0:0:10] Response: HTTP/1.1 200 OK

SMTP

MX 0 irona.tulane.edu
Looking for AAAA on irona.tulane.edu
MX 0 ironb.tulane.edu
Looking for AAAA on ironb.tulane.edu

DNS

Looking for AAAA of NS ns2.tulane.edu
No AAAA record for ns2.tulane.edu
Looking for AAAA of NS ns1.tulane.edu
No AAAA record for ns1.tulane.edu

NTP

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

XMPP

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

Last Updated: Tue May 22 16:54:14 2012 UTC