Check that www.princeton.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 princeton.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1774
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			174271	IN	NS	c.root-servers.net.
.			174271	IN	NS	m.root-servers.net.
.			174271	IN	NS	i.root-servers.net.
.			174271	IN	NS	b.root-servers.net.
.			174271	IN	NS	a.root-servers.net.
.			174271	IN	NS	d.root-servers.net.
.			174271	IN	NS	h.root-servers.net.
.			174271	IN	NS	k.root-servers.net.
.			174271	IN	NS	f.root-servers.net.
.			174271	IN	NS	l.root-servers.net.
.			174271	IN	NS	g.root-servers.net.
.			174271	IN	NS	e.root-servers.net.
.			174271	IN	NS	j.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	43594	IN	A	198.41.0.4
a.root-servers.net.	43594	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	1858	IN	A	192.228.79.201
c.root-servers.net.	389642	IN	A	192.33.4.12
d.root-servers.net.	347991	IN	A	128.8.10.90
d.root-servers.net.	347991	IN	AAAA	2001:500:2d::d
e.root-servers.net.	603983	IN	A	192.203.230.10
f.root-servers.net.	44465	IN	A	192.5.5.241
f.root-servers.net.	349341	IN	AAAA	2001:500:2f::f
g.root-servers.net.	45129	IN	A	192.112.36.4
h.root-servers.net.	2167	IN	A	128.63.2.53
h.root-servers.net.	2167	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	43701	IN	A	192.36.148.17
i.root-servers.net.	43701	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 01:53:30 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1549
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;princeton.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	g.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	a.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
g.edu-servers.net.	172800	IN	AAAA	2001:503:cc2c::2:36
l.edu-servers.net.	172800	IN	A	192.41.162.30

;; Query time: 195 msec
;; SERVER: 192.33.4.12#53(c.root-servers.net)
;; WHEN: Wed May 23 01:53:30 2012
;; MSG SIZE  rcvd: 266

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 933
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 6

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

;; AUTHORITY SECTION:
princeton.edu.		172800	IN	NS	ns2.fast.net.
princeton.edu.		172800	IN	NS	ns1.fast.net.
princeton.edu.		172800	IN	NS	dns.princeton.edu.
princeton.edu.		172800	IN	NS	dikahble.princeton.edu.
princeton.edu.		172800	IN	NS	adns1.ucsc.edu.
princeton.edu.		172800	IN	NS	adns2.ucsc.edu.

;; ADDITIONAL SECTION:
ns2.fast.net.		172800	IN	A	207.59.153.241
ns1.fast.net.		172800	IN	A	66.155.216.121
dns.princeton.edu.	172800	IN	A	128.112.129.15
dikahble.princeton.edu.	172800	IN	A	128.112.134.4
adns1.ucsc.edu.		172800	IN	A	128.114.100.100
adns2.ucsc.edu.		172800	IN	A	128.114.100.200

;; Query time: 250 msec
;; SERVER: 192.41.162.30#53(l.edu-servers.net)
;; WHEN: Wed May 23 01:53:30 2012
;; MSG SIZE  rcvd: 257

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 394
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 4

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

;; ANSWER SECTION:
princeton.edu.		43200	IN	SOA	bogus-mname-to-suppress-dynamic-updates.real-mname-is.dns.princeton.edu. hostmaster.princeton.edu. 2012052210 1800 900 2419200 600

;; AUTHORITY SECTION:
princeton.edu.		172800	IN	NS	adns1.ucsc.edu.
princeton.edu.		172800	IN	NS	dns.princeton.edu.
princeton.edu.		172800	IN	NS	ns1.fast.net.
princeton.edu.		172800	IN	NS	ns2.fast.net.
princeton.edu.		172800	IN	NS	dikahble.princeton.edu.
princeton.edu.		172800	IN	NS	adns2.ucsc.edu.

;; ADDITIONAL SECTION:
dns.princeton.edu.	43200	IN	A	128.112.129.15
adns1.ucsc.edu.		43200	IN	A	128.114.100.100
adns2.ucsc.edu.		43200	IN	A	128.114.100.200
dikahble.princeton.edu.	43200	IN	A	128.112.134.4

;; Query time: 452 msec
;; SERVER: 128.112.129.15#53(dns.princeton.edu)
;; WHEN: Wed May 23 01:53:31 2012
;; MSG SIZE  rcvd: 326

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.princeton.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1370
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
www.princeton.edu.	300	IN	SOA	udns1.ultradns.net. augustin.princeton.edu. 2012051303 10800 3600 2592000 300

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 01:53:32 2012
;; MSG SIZE  rcvd: 98

Checking other options ... failed too.

SMTP

MX 2 ppa02.princeton.edu
Looking for AAAA on ppa02.princeton.edu
MX 2 ppa03.princeton.edu
Looking for AAAA on ppa03.princeton.edu
MX 2 ppa04.princeton.edu
Looking for AAAA on ppa04.princeton.edu
MX 2 ppa01.princeton.edu
Looking for AAAA on ppa01.princeton.edu
MX 2 ppa05.princeton.edu
Looking for AAAA on ppa05.princeton.edu

DNS

Looking for AAAA of NS ns1.fast.net
No AAAA record for ns1.fast.net
Looking for AAAA of NS adns1.ucsc.edu
No AAAA record for adns1.ucsc.edu
Looking for AAAA of NS ns2.fast.net
No AAAA record for ns2.fast.net
Looking for AAAA of NS adns2.ucsc.edu
No AAAA record for adns2.ucsc.edu
Looking for AAAA of NS dns.princeton.edu
No AAAA record for dns.princeton.edu
Looking for AAAA of NS dikahble.princeton.edu
No AAAA record for dikahble.princeton.edu

NTP

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

XMPP

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

Last Updated: Tue May 22 16:23:36 2012 UTC