Check that www.concordia.ab.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 concordia.ab.ca soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 96
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

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

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	443845	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	443845	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	402109	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	144503	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	141057	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	141057	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	399429	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	444716	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	140452	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	445380	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	402418	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	402418	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	443952	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	443952	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 10:42:39 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1303
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 10, ADDITIONAL: 14

;; QUESTION SECTION:
;concordia.ab.ca.		IN	SOA

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

;; 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: 129 msec
;; SERVER: 192.112.36.4#53(G.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 10:42:39 2012
;; MSG SIZE  rcvd: 501

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 272
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

;; QUESTION SECTION:
;concordia.ab.ca.		IN	SOA

;; AUTHORITY SECTION:
concordia.ab.ca.	86400	IN	NS	dns2.concordia.ab.ca.
concordia.ab.ca.	86400	IN	NS	dns3.concordia.ab.ca.
concordia.ab.ca.	86400	IN	NS	dns.concordia.ab.ca.

;; ADDITIONAL SECTION:
dns.concordia.ab.ca.	86400	IN	A	199.185.120.1
dns2.concordia.ab.ca.	86400	IN	A	199.185.120.35
dns3.concordia.ab.ca.	86400	IN	A	199.185.120.58

;; Query time: 264 msec
;; SERVER: 2001:500:80:5000::2#53(a.ca-servers.ca)
;; WHEN: Fri May 18 10:42:39 2012
;; MSG SIZE  rcvd: 137

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 90
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

;; QUESTION SECTION:
;concordia.ab.ca.		IN	SOA

;; ANSWER SECTION:
concordia.ab.ca.	259200	IN	SOA	dns.concordia.ab.ca. dnsadmin.concordia.ab.ca. 2012040401 21600 1800 864000 900

;; AUTHORITY SECTION:
concordia.ab.ca.	259200	IN	NS	dns3.concordia.ab.ca.
concordia.ab.ca.	259200	IN	NS	dns.concordia.ab.ca.
concordia.ab.ca.	259200	IN	NS	dns2.concordia.ab.ca.

;; ADDITIONAL SECTION:
dns.concordia.ab.ca.	259200	IN	A	199.185.120.1
dns2.concordia.ab.ca.	259200	IN	A	199.185.120.35
dns3.concordia.ab.ca.	259200	IN	A	199.185.120.58

;; Query time: 254 msec
;; SERVER: 199.185.120.35#53(dns2.concordia.ab.ca)
;; WHEN: Fri May 18 10:42:40 2012
;; MSG SIZE  rcvd: 182

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.concordia.ab.ca aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 615
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.concordia.ab.ca.		IN	AAAA

;; ANSWER SECTION:
www.concordia.ab.ca.	259199	IN	CNAME	munchkin.concordia.ab.ca.

;; AUTHORITY SECTION:
concordia.ab.ca.	900	IN	SOA	dns.concordia.ab.ca. dnsadmin.concordia.ab.ca. 2012040401 21600 1800 864000 900

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 10:42:41 2012
;; MSG SIZE  rcvd: 109

Checking other options ... failed too.

SMTP

MX 5 twister.concordia.ab.ca
Looking for AAAA on twister.concordia.ab.ca
MX 5 emerald.concordia.ab.ca
Looking for AAAA on emerald.concordia.ab.ca

DNS

Looking for AAAA of NS dns2.concordia.ab.ca
No AAAA record for dns2.concordia.ab.ca
Looking for AAAA of NS dns.concordia.ab.ca
No AAAA record for dns.concordia.ab.ca
Looking for AAAA of NS dns3.concordia.ab.ca
No AAAA record for dns3.concordia.ab.ca

NTP

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

XMPP

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

Last Updated: Fri May 18 01:12:45 2012 UTC