Check that www.cbu.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 cbu.ca soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1837
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

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

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	443896	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	443896	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	402160	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	144554	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	141108	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	141108	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	399480	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	444767	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	140503	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	445431	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	402469	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	402469	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	444003	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	444003	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 10:41:48 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1194
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 10, ADDITIONAL: 14

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

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

;; 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: 38 msec
;; SERVER: 2001:7fd::1#53(K.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 10:41:48 2012
;; MSG SIZE  rcvd: 492

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1286
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

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

;; AUTHORITY SECTION:
cbu.ca.			86400	IN	NS	dns1.uccb.ca.
cbu.ca.			86400	IN	NS	cbusdc.cbu.ca.
cbu.ca.			86400	IN	NS	cbupdc.cbu.ca.

;; ADDITIONAL SECTION:
dns1.uccb.ca.		86400	IN	A	142.12.4.60
cbupdc.cbu.ca.		86400	IN	A	142.12.73.42
cbusdc.cbu.ca.		86400	IN	A	142.12.73.43

;; Query time: 178 msec
;; SERVER: 199.4.28.220#53(f.ca-servers.ca)
;; WHEN: Fri May 18 10:41:49 2012
;; MSG SIZE  rcvd: 138

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 94
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

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

;; ANSWER SECTION:
cbu.ca.			3600	IN	SOA	cbusdc.cbu.ca. hostmaster. 164834 900 600 86400 3600

;; ADDITIONAL SECTION:
cbusdc.cbu.ca.		3600	IN	A	142.12.73.43

;; Query time: 492 msec
;; SERVER: 142.12.73.43#53(cbusdc.cbu.ca)
;; WHEN: Fri May 18 10:41:50 2012
;; MSG SIZE  rcvd: 93

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.cbu.ca aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 364
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.cbu.ca.		3598	IN	CNAME	cbudrupal1.cbu.ca.

;; AUTHORITY SECTION:
cbu.ca.			3599	IN	SOA	cbusdc.cbu.ca. hostmaster. 164834 900 600 86400 3600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 10:41:52 2012
;; MSG SIZE  rcvd: 106

Checking other options ... failed too.

SMTP

MX 10 cbumailgw.cbu.ca
Looking for AAAA on cbumailgw.cbu.ca

DNS

Looking for AAAA of NS cbusdc.cbu.ca
No AAAA record for cbusdc.cbu.ca
Looking for AAAA of NS cbupdc.cbu.ca
No AAAA record for cbupdc.cbu.ca

NTP

Looking for an A record for ntp.cbu.ca
Looking for an A record for clock.cbu.ca
Looking for an A record for time.cbu.ca
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for time.cbu.ca
Cannot find a AAAA record for time.ipv6.cbu.ca

XMPP

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

Last Updated: Fri May 18 01:11:56 2012 UTC