Check that www.tufts.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 tufts.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 83
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			172441	IN	NS	g.root-servers.net.
.			172441	IN	NS	i.root-servers.net.
.			172441	IN	NS	c.root-servers.net.
.			172441	IN	NS	d.root-servers.net.
.			172441	IN	NS	j.root-servers.net.
.			172441	IN	NS	h.root-servers.net.
.			172441	IN	NS	l.root-servers.net.
.			172441	IN	NS	b.root-servers.net.
.			172441	IN	NS	k.root-servers.net.
.			172441	IN	NS	a.root-servers.net.
.			172441	IN	NS	e.root-servers.net.
.			172441	IN	NS	m.root-servers.net.
.			172441	IN	NS	f.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	41764	IN	A	198.41.0.4
a.root-servers.net.	41764	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	28	IN	A	192.228.79.201
c.root-servers.net.	387812	IN	A	192.33.4.12
d.root-servers.net.	346161	IN	A	128.8.10.90
d.root-servers.net.	346161	IN	AAAA	2001:500:2d::d
e.root-servers.net.	602153	IN	A	192.203.230.10
f.root-servers.net.	42635	IN	A	192.5.5.241
f.root-servers.net.	347511	IN	AAAA	2001:500:2f::f
g.root-servers.net.	43299	IN	A	192.112.36.4
h.root-servers.net.	337	IN	A	128.63.2.53
h.root-servers.net.	337	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	41871	IN	A	192.36.148.17
i.root-servers.net.	41871	IN	AAAA	2001:7fe::53

;; Query time: 32 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:24:00 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 530
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	g.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: 38 msec
;; SERVER: 2001:7fd::1#53(k.root-servers.net)
;; WHEN: Wed May 23 02:24:00 2012
;; MSG SIZE  rcvd: 262

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 88
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

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

;; ADDITIONAL SECTION:
ns1.tufts.edu.		172800	IN	A	130.64.25.25
ns2.tufts.edu.		172800	IN	A	130.64.19.19

;; Query time: 253 msec
;; SERVER: 192.41.162.30#53(l.edu-servers.net)
;; WHEN: Wed May 23 02:24:00 2012
;; MSG SIZE  rcvd: 95

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 281
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

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

;; ANSWER SECTION:
tufts.edu.		3600	IN	SOA	no-updates.net.tufts.edu. noc.net.tufts.edu. 2012052099 10800 3600 604800 7200

;; AUTHORITY SECTION:
tufts.edu.		3600	IN	NS	gomez.net.tufts.edu.
tufts.edu.		3600	IN	NS	ns1.tufts.edu.
tufts.edu.		3600	IN	NS	ns2.tufts.edu.

;; ADDITIONAL SECTION:
ns1.tufts.edu.		3600	IN	A	130.64.25.25
ns2.tufts.edu.		3600	IN	A	130.64.19.19
gomez.net.tufts.edu.	3600	IN	A	130.64.112.86

;; Query time: 743 msec
;; SERVER: 130.64.25.25#53(ns1.tufts.edu)
;; WHEN: Wed May 23 02:24:02 2012
;; MSG SIZE  rcvd: 186

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.tufts.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 932
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.tufts.edu.		3599	IN	CNAME	lb.www.tufts.edu.

;; AUTHORITY SECTION:
tufts.edu.		3600	IN	SOA	no-updates.net.tufts.edu. noc.net.tufts.edu. 2012052099 10800 3600 604800 7200

;; Query time: 15 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:24:03 2012
;; MSG SIZE  rcvd: 103

Checking other options ... failed too.

SMTP

MX 5 mail-proofpoint-2b.usg.tufts.edu
Looking for AAAA on mail-proofpoint-2b.usg.tufts.edu
MX 5 mail-proofpoint-3a.usg.tufts.edu
Looking for AAAA on mail-proofpoint-3a.usg.tufts.edu
MX 5 mail-proofpoint-3b.usg.tufts.edu
Looking for AAAA on mail-proofpoint-3b.usg.tufts.edu
MX 5 mail-proofpoint-6a.usg.tufts.edu
Looking for AAAA on mail-proofpoint-6a.usg.tufts.edu
MX 5 mail-proofpoint-6b.usg.tufts.edu
Looking for AAAA on mail-proofpoint-6b.usg.tufts.edu
MX 5 mail-proofpoint-8a.usg.tufts.edu
Looking for AAAA on mail-proofpoint-8a.usg.tufts.edu
MX 5 mail-proofpoint-8b.usg.tufts.edu
Looking for AAAA on mail-proofpoint-8b.usg.tufts.edu
MX 5 mail-proofpoint-2a.usg.tufts.edu
Looking for AAAA on mail-proofpoint-2a.usg.tufts.edu

DNS

Looking for AAAA of NS ns1.tufts.edu
No AAAA record for ns1.tufts.edu
Looking for AAAA of NS gomez.net.tufts.edu
No AAAA record for gomez.net.tufts.edu
Looking for AAAA of NS ns2.tufts.edu
No AAAA record for ns2.tufts.edu

NTP

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

XMPP

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

Last Updated: Tue May 22 16:54:09 2012 UTC