Check that www.cmu.ca 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 cmu.ca soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 320
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; AUTHORITY SECTION:
.			3600000	IN	NS	M.ROOT-SERVERS.NET.
.			3600000	IN	NS	D.ROOT-SERVERS.NET.
.			3600000	IN	NS	H.ROOT-SERVERS.NET.
.			3600000	IN	NS	K.ROOT-SERVERS.NET.
.			3600000	IN	NS	J.ROOT-SERVERS.NET.
.			3600000	IN	NS	L.ROOT-SERVERS.NET.
.			3600000	IN	NS	A.ROOT-SERVERS.NET.
.			3600000	IN	NS	E.ROOT-SERVERS.NET.
.			3600000	IN	NS	F.ROOT-SERVERS.NET.
.			3600000	IN	NS	B.ROOT-SERVERS.NET.
.			3600000	IN	NS	G.ROOT-SERVERS.NET.
.			3600000	IN	NS	C.ROOT-SERVERS.NET.
.			3600000	IN	NS	I.ROOT-SERVERS.NET.

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	443901	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	443901	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	402165	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	144559	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	141113	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	141113	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	399485	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	444772	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	140508	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	445436	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	402474	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	402474	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	444008	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	444008	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 10:41:43 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1593
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 10, ADDITIONAL: 14

;; QUESTION SECTION:
;cmu.ca.				IN	SOA

;; AUTHORITY SECTION:
ca.			172800	IN	NS	l.ca-servers.ca.
ca.			172800	IN	NS	sns-pb.isc.org.
ca.			172800	IN	NS	j.ca-servers.ca.
ca.			172800	IN	NS	c.ca-servers.ca.
ca.			172800	IN	NS	e.ca-servers.ca.
ca.			172800	IN	NS	z.ca-servers.ca.
ca.			172800	IN	NS	f.ca-servers.ca.
ca.			172800	IN	NS	tld.isc-sns.net.
ca.			172800	IN	NS	a.ca-servers.ca.
ca.			172800	IN	NS	k.ca-servers.ca.

;; ADDITIONAL SECTION:
a.ca-servers.ca.	172800	IN	A	199.253.251.2
c.ca-servers.ca.	172800	IN	A	192.228.28.9
e.ca-servers.ca.	172800	IN	A	192.228.30.9
f.ca-servers.ca.	172800	IN	A	199.4.28.220
j.ca-servers.ca.	172800	IN	A	198.182.167.1
k.ca-servers.ca.	172800	IN	A	156.154.100.4
l.ca-servers.ca.	172800	IN	A	156.154.101.4
z.ca-servers.ca.	172800	IN	A	192.228.25.66
tld.isc-sns.net.	172800	IN	A	63.243.194.3
sns-pb.isc.org.		172800	IN	A	192.5.4.1
a.ca-servers.ca.	172800	IN	AAAA	2001:500:80:5000::2
j.ca-servers.ca.	172800	IN	AAAA	2001:500:83::1
tld.isc-sns.net.	172800	IN	AAAA	2001:5a0:10::3
sns-pb.isc.org.		172800	IN	AAAA	2001:500:2e::1

;; Query time: 126 msec
;; SERVER: 2001:dc3::35#53(M.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 10:41:43 2012
;; MSG SIZE  rcvd: 492

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1619
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 1

;; QUESTION SECTION:
;cmu.ca.				IN	SOA

;; AUTHORITY SECTION:
cmu.ca.			86400	IN	NS	ns1.domain7.ca.
cmu.ca.			86400	IN	NS	ns2.domain7.com.

;; ADDITIONAL SECTION:
ns1.domain7.ca.		86400	IN	A	64.69.87.12

;; Query time: 312 msec
;; SERVER: 192.228.30.9#53(e.ca-servers.ca)
;; WHEN: Fri May 18 10:41:44 2012
;; MSG SIZE  rcvd: 95

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1616
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;cmu.ca.				IN	SOA

;; ANSWER SECTION:
cmu.ca.			86400	IN	SOA	ns1.domain7.ca. webmaster.domain7.ca. 2012050202 10800 3600 432000 38400

;; AUTHORITY SECTION:
cmu.ca.			86400	IN	NS	ns2.domain7.com.
cmu.ca.			86400	IN	NS	ns1.domain7.ca.

;; ADDITIONAL SECTION:
ns1.domain7.ca.		86400	IN	A	64.69.87.12
ns2.domain7.com.	3600	IN	A	216.187.74.175

;; Query time: 270 msec
;; SERVER: 64.69.87.12#53(ns1.domain7.ca)
;; WHEN: Fri May 18 10:41:44 2012
;; MSG SIZE  rcvd: 157

HTTP

Looking for CNAME of www.cmu.ca
Checking if there is a AAAA for www.cmu.ca ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.cmu.ca aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 838
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.cmu.ca.			IN	AAAA

;; AUTHORITY SECTION:
cmu.ca.			10800	IN	SOA	ns1.domain7.ca. webmaster.domain7.ca. 2012050202 10800 3600 432000 38400

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 10:41:45 2012
;; MSG SIZE  rcvd: 86

Checking other options ... failed too.

SMTP

MX 5 sieve.merlin.mb.ca
Looking for AAAA on sieve.merlin.mb.ca

DNS

Looking for AAAA of NS ns1.domain7.ca
No AAAA record for ns1.domain7.ca
Looking for AAAA of NS ns2.domain7.com
No AAAA record for ns2.domain7.com

NTP

Looking for an A record for ntp.cmu.ca
Looking for an A record for clock.cmu.ca
Looking for an A record for time.cmu.ca
Looking for an A record for chime.cmu.ca

XMPP

Looking for a SRV record for _xmpp-client._tcp.cmu.ca
Looking for a SRV record for _xmpp-server._tcp.cmu.ca

Last Updated: Fri May 18 01:11:48 2012 UTC