Check that www.gu.edu.au 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 gu.edu.au soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1307
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			318805	IN	NS	c.root-servers.net.
.			318805	IN	NS	h.root-servers.net.
.			318805	IN	NS	d.root-servers.net.
.			318805	IN	NS	i.root-servers.net.
.			318805	IN	NS	f.root-servers.net.
.			318805	IN	NS	a.root-servers.net.
.			318805	IN	NS	b.root-servers.net.
.			318805	IN	NS	k.root-servers.net.
.			318805	IN	NS	l.root-servers.net.
.			318805	IN	NS	g.root-servers.net.
.			318805	IN	NS	e.root-servers.net.
.			318805	IN	NS	m.root-servers.net.
.			318805	IN	NS	j.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	188128	IN	A	198.41.0.4
a.root-servers.net.	188128	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	146392	IN	A	192.228.79.201
c.root-servers.net.	534176	IN	A	192.33.4.12
d.root-servers.net.	492525	IN	A	128.8.10.90
d.root-servers.net.	492525	IN	AAAA	2001:500:2d::d
e.root-servers.net.	143712	IN	A	192.203.230.10
f.root-servers.net.	188999	IN	A	192.5.5.241
f.root-servers.net.	493875	IN	AAAA	2001:500:2f::f
g.root-servers.net.	189663	IN	A	192.112.36.4
h.root-servers.net.	146701	IN	A	128.63.2.53
h.root-servers.net.	146701	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	188235	IN	A	192.36.148.17
i.root-servers.net.	188235	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 09:44:36 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 342
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 12, ADDITIONAL: 15

;; QUESTION SECTION:
;gu.edu.au.			IN	SOA

;; AUTHORITY SECTION:
au.			172800	IN	NS	p.au.
au.			172800	IN	NS	v.au.
au.			172800	IN	NS	l.au.
au.			172800	IN	NS	u.au.
au.			172800	IN	NS	h.au.
au.			172800	IN	NS	o.au.
au.			172800	IN	NS	m.au.
au.			172800	IN	NS	b.au.
au.			172800	IN	NS	n.au.
au.			172800	IN	NS	s.au.
au.			172800	IN	NS	a.au.
au.			172800	IN	NS	r.au.

;; ADDITIONAL SECTION:
a.au.			172800	IN	A	58.65.254.73
b.au.			172800	IN	A	58.65.253.73
h.au.			172800	IN	A	202.65.13.73
l.au.			172800	IN	A	209.112.113.34
m.au.			172800	IN	A	209.112.114.34
n.au.			172800	IN	A	69.36.145.34
o.au.			172800	IN	A	69.36.146.34
p.au.			172800	IN	A	72.13.46.34
r.au.			172800	IN	A	128.32.136.3
s.au.			172800	IN	A	128.32.136.14
u.au.			172800	IN	A	211.29.133.32
v.au.			172800	IN	A	202.12.31.141
l.au.			172800	IN	AAAA	2001:500:856e::6:34
r.au.			172800	IN	AAAA	2607:f140:ffff:fffe::3
s.au.			172800	IN	AAAA	2607:f140:ffff:fffe::e

;; Query time: 180 msec
;; SERVER: 192.228.79.201#53(b.root-servers.net)
;; WHEN: Mon May 21 09:44:36 2012
;; MSG SIZE  rcvd: 495

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 492
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;gu.edu.au.			IN	SOA

;; AUTHORITY SECTION:
gu.edu.au.		14400	IN	NS	dns2.griffith.edu.au.
gu.edu.au.		14400	IN	NS	dns1.griffith.edu.au.

;; ADDITIONAL SECTION:
dns1.griffith.edu.au.	14400	IN	A	132.234.1.1
dns2.griffith.edu.au.	14400	IN	A	132.234.3.1

;; Query time: 145 msec
;; SERVER: 209.112.114.34#53(m.au)
;; WHEN: Mon May 21 09:44:36 2012
;; MSG SIZE  rcvd: 106

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1226
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;gu.edu.au.			IN	SOA

;; ANSWER SECTION:
gu.edu.au.		86400	IN	SOA	dns-pri.griffith.edu.au. hostmaster.griffith.edu.au. 2007081340 1800 900 2419200 86400

;; Query time: 39 msec
;; SERVER: 132.234.3.1#53(dns2.griffith.edu.au)
;; WHEN: Mon May 21 09:44:36 2012
;; MSG SIZE  rcvd: 91

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.gu.edu.au aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1768
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.gu.edu.au.			IN	AAAA

;; AUTHORITY SECTION:
gu.edu.au.		10800	IN	SOA	dns-pri.griffith.edu.au. hostmaster.griffith.edu.au. 2007081340 1800 900 2419200 86400

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 09:44:36 2012
;; MSG SIZE  rcvd: 95

Checking other options ... failed too.

SMTP

MX 100 gu.edu.au.s6a1.psmtp.com
Looking for AAAA on gu.edu.au.s6a1.psmtp.com
MX 100 gu.edu.au.s6a2.psmtp.com
Looking for AAAA on gu.edu.au.s6a2.psmtp.com
MX 100 gu.edu.au.s6b1.psmtp.com
Looking for AAAA on gu.edu.au.s6b1.psmtp.com
MX 100 gu.edu.au.s6b2.psmtp.com
Looking for AAAA on gu.edu.au.s6b2.psmtp.com

DNS

Looking for AAAA of NS dns2.griffith.edu.au
No AAAA record for dns2.griffith.edu.au
Looking for AAAA of NS dns-sec.griffith.edu.au
No AAAA record for dns-sec.griffith.edu.au
Looking for AAAA of NS dns1.griffith.edu.au
No AAAA record for dns1.griffith.edu.au
Looking for AAAA of NS dns-pri.griffith.edu.au
No AAAA record for dns-pri.griffith.edu.au

NTP

Looking for an A record for ntp.gu.edu.au
Looking for an A record for clock.gu.edu.au
Looking for an A record for time.gu.edu.au
Looking for an A record for chime.gu.edu.au

XMPP

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

Last Updated: Mon May 21 00:14:38 2012 UTC