Check that www.usyd.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 usyd.edu.au soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1932
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			143140	IN	NS	h.root-servers.net.
.			143140	IN	NS	a.root-servers.net.
.			143140	IN	NS	d.root-servers.net.
.			143140	IN	NS	f.root-servers.net.
.			143140	IN	NS	m.root-servers.net.
.			143140	IN	NS	e.root-servers.net.
.			143140	IN	NS	j.root-servers.net.
.			143140	IN	NS	c.root-servers.net.
.			143140	IN	NS	l.root-servers.net.
.			143140	IN	NS	g.root-servers.net.
.			143140	IN	NS	i.root-servers.net.
.			143140	IN	NS	b.root-servers.net.
.			143140	IN	NS	k.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	12463	IN	A	198.41.0.4
a.root-servers.net.	12463	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	489128	IN	A	192.228.79.201
c.root-servers.net.	358511	IN	A	192.33.4.12
d.root-servers.net.	316860	IN	A	128.8.10.90
d.root-servers.net.	316860	IN	AAAA	2001:500:2d::d
e.root-servers.net.	489128	IN	A	192.203.230.10
f.root-servers.net.	13334	IN	A	192.5.5.241
f.root-servers.net.	318210	IN	AAAA	2001:500:2f::f
g.root-servers.net.	13998	IN	A	192.112.36.4
h.root-servers.net.	575849	IN	A	128.63.2.53
h.root-servers.net.	575849	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	12570	IN	A	192.36.148.17
i.root-servers.net.	12570	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 10:32:21 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 209
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 12, ADDITIONAL: 15

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

;; AUTHORITY SECTION:
au.			172800	IN	NS	a.au.
au.			172800	IN	NS	b.au.
au.			172800	IN	NS	h.au.
au.			172800	IN	NS	l.au.
au.			172800	IN	NS	m.au.
au.			172800	IN	NS	n.au.
au.			172800	IN	NS	o.au.
au.			172800	IN	NS	p.au.
au.			172800	IN	NS	r.au.
au.			172800	IN	NS	s.au.
au.			172800	IN	NS	u.au.
au.			172800	IN	NS	v.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: 251 msec
;; SERVER: 2001:500:1::803f:235#53(h.root-servers.net)
;; WHEN: Wed May 23 10:32:21 2012
;; MSG SIZE  rcvd: 499

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1548
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 11, ADDITIONAL: 12

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

;; AUTHORITY SECTION:
edu.au.			172800	IN	NS	p.au.
edu.au.			172800	IN	NS	l.au.
edu.au.			172800	IN	NS	k.au.
edu.au.			172800	IN	NS	j.au.
edu.au.			172800	IN	NS	n.au.
edu.au.			172800	IN	NS	m.au.
edu.au.			172800	IN	NS	q.au.
edu.au.			172800	IN	NS	g.au.
edu.au.			172800	IN	NS	i.au.
edu.au.			172800	IN	NS	o.au.
edu.au.			172800	IN	NS	h.au.

;; ADDITIONAL SECTION:
g.au.			172800	IN	A	202.65.12.73
h.au.			172800	IN	A	202.65.13.73
i.au.			172800	IN	A	202.65.12.72
j.au.			172800	IN	A	202.65.13.72
k.au.			172800	IN	A	202.65.12.71
l.au.			172800	IN	A	209.112.113.34
l.au.			172800	IN	AAAA	2001:500:856e::6:34
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
q.au.			172800	IN	A	72.13.47.34

;; Query time: 114 msec
;; SERVER: 58.65.253.73#53(b.au)
;; WHEN: Wed May 23 10:32:21 2012
;; MSG SIZE  rcvd: 409

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 696
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
usyd.edu.au.		14400	IN	NS	metro.ucc.usyd.edu.au.
usyd.edu.au.		14400	IN	NS	extro.ucc.usyd.edu.au.

;; ADDITIONAL SECTION:
extro.ucc.usyd.edu.au.	14400	IN	A	129.78.64.1
metro.ucc.usyd.edu.au.	14400	IN	A	129.78.64.2

;; Query time: 124 msec
;; SERVER: 72.13.47.34#53(q.au)
;; WHEN: Wed May 23 10:32:21 2012
;; MSG SIZE  rcvd: 105

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 834
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

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

;; ANSWER SECTION:
usyd.edu.au.		28800	IN	SOA	metro.ucc.usyd.edu.au. networkers.mail.usyd.edu.au. 2755 10800 3600 2592000 900

;; AUTHORITY SECTION:
usyd.edu.au.		28800	IN	NS	metro.ucc.usyd.edu.au.
usyd.edu.au.		28800	IN	NS	extro.ucc.usyd.edu.au.

;; ADDITIONAL SECTION:
metro.ucc.usyd.edu.au.	1800	IN	A	129.78.64.2
extro.ucc.usyd.edu.au.	1800	IN	A	129.78.64.1

;; Query time: 25 msec
;; SERVER: 129.78.64.2#53(metro.ucc.usyd.edu.au)
;; WHEN: Wed May 23 10:32:22 2012
;; MSG SIZE  rcvd: 157

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.usyd.edu.au aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1600
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.usyd.edu.au.	1800	IN	CNAME	rp0.ucc.usyd.edu.au.

;; AUTHORITY SECTION:
ucc.usyd.edu.au.	900	IN	SOA	metro.ucc.usyd.edu.au. networkers.mail.usyd.edu.au. 93891107 10800 3600 2592000 900

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 10:32:22 2012
;; MSG SIZE  rcvd: 113

Checking other options ... failed too.

SMTP

MX 10 cluster4.eu.messagelabs.com
Looking for AAAA on cluster4.eu.messagelabs.com
MX 10 cluster4a.eu.messagelabs.com
Looking for AAAA on cluster4a.eu.messagelabs.com

DNS

Looking for AAAA of NS metro.ucc.usyd.edu.au
No AAAA record for metro.ucc.usyd.edu.au
Looking for AAAA of NS extro.ucc.usyd.edu.au
No AAAA record for extro.ucc.usyd.edu.au

NTP

Looking for an A record for ntp.usyd.edu.au
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for ntp.usyd.edu.au
Cannot find a AAAA record for ntp.ipv6.usyd.edu.au

XMPP

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

Last Updated: Wed May 23 01:02:23 2012 UTC