Check that www.uio.no 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 uio.no soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1692
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			216126	IN	NS	i.root-servers.net.
.			216126	IN	NS	l.root-servers.net.
.			216126	IN	NS	a.root-servers.net.
.			216126	IN	NS	g.root-servers.net.
.			216126	IN	NS	e.root-servers.net.
.			216126	IN	NS	f.root-servers.net.
.			216126	IN	NS	h.root-servers.net.
.			216126	IN	NS	m.root-servers.net.
.			216126	IN	NS	k.root-servers.net.
.			216126	IN	NS	b.root-servers.net.
.			216126	IN	NS	d.root-servers.net.
.			216126	IN	NS	j.root-servers.net.
.			216126	IN	NS	c.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	85449	IN	A	198.41.0.4
a.root-servers.net.	85449	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	43713	IN	A	192.228.79.201
c.root-servers.net.	431497	IN	A	192.33.4.12
d.root-servers.net.	389846	IN	A	128.8.10.90
d.root-servers.net.	389846	IN	AAAA	2001:500:2d::d
e.root-servers.net.	41033	IN	A	192.203.230.10
f.root-servers.net.	86320	IN	A	192.5.5.241
f.root-servers.net.	391196	IN	AAAA	2001:500:2f::f
g.root-servers.net.	86984	IN	A	192.112.36.4
h.root-servers.net.	44022	IN	A	128.63.2.53
h.root-servers.net.	44022	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	85556	IN	A	192.36.148.17
i.root-servers.net.	85556	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 14:15:55 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 996
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 9

;; QUESTION SECTION:
;uio.no.				IN	SOA

;; AUTHORITY SECTION:
no.			172800	IN	NS	i.nic.no.
no.			172800	IN	NS	x.nic.no.
no.			172800	IN	NS	y.nic.no.
no.			172800	IN	NS	z.nic.no.
no.			172800	IN	NS	not.norid.no.
no.			172800	IN	NS	njet.norid.no.

;; ADDITIONAL SECTION:
i.nic.no.		172800	IN	A	194.146.106.6
x.nic.no.		172800	IN	A	128.39.8.40
y.nic.no.		172800	IN	A	193.75.4.22
z.nic.no.		172800	IN	A	158.38.8.133
not.norid.no.		172800	IN	A	156.154.100.12
njet.norid.no.		172800	IN	A	156.154.101.12
y.nic.no.		172800	IN	AAAA	2001:8c0:8200:1::2
z.nic.no.		172800	IN	AAAA	2001:700:0:52d:158:38:8:133
not.norid.no.		172800	IN	AAAA	2001:502:ad09::12

;; Query time: 25 msec
;; SERVER: 2001:500:3::42#53(l.root-servers.net)
;; WHEN: Tue May 22 14:15:55 2012
;; MSG SIZE  rcvd: 315

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 116
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 6

;; QUESTION SECTION:
;uio.no.				IN	SOA

;; AUTHORITY SECTION:
uio.no.			86400	IN	NS	ns2.uio.no.
uio.no.			86400	IN	NS	ns1.uio.no.
uio.no.			86400	IN	NS	nn.uninett.no.
uio.no.			86400	IN	NS	server.nordu.net.

;; ADDITIONAL SECTION:
nn.uninett.no.		86400	IN	A	158.38.0.181
nn.uninett.no.		86400	IN	AAAA	2001:700:0:503::aa:5302
ns1.uio.no.		86400	IN	A	129.240.2.6
ns1.uio.no.		86400	IN	AAAA	2001:700:100:2::6
ns2.uio.no.		86400	IN	A	129.240.2.42
ns2.uio.no.		86400	IN	AAAA	2001:700:100:425::42

;; Query time: 330 msec
;; SERVER: 2001:700:0:52d:158:38:8:133#53(z.nic.no)
;; WHEN: Tue May 22 14:15:55 2012
;; MSG SIZE  rcvd: 247

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1648
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4

;; QUESTION SECTION:
;uio.no.				IN	SOA

;; ANSWER SECTION:
uio.no.			43200	IN	SOA	ns1.uio.no. hostmaster.uio.no. 2012052105 10800 3600 1814400 43200

;; AUTHORITY SECTION:
uio.no.			43200	IN	NS	ns1.uio.no.
uio.no.			43200	IN	NS	ns2.uio.no.
uio.no.			43200	IN	NS	server.nordu.net.
uio.no.			43200	IN	NS	nn.uninett.no.

;; ADDITIONAL SECTION:
ns1.uio.no.		43200	IN	A	129.240.2.6
ns1.uio.no.		43200	IN	AAAA	2001:700:100:2::6
ns2.uio.no.		43200	IN	A	129.240.2.42
ns2.uio.no.		43200	IN	AAAA	2001:700:100:425::42

;; Query time: 321 msec
;; SERVER: 2001:700:100:2::6#53(ns1.uio.no)
;; WHEN: Tue May 22 14:15:56 2012
;; MSG SIZE  rcvd: 250

HTTP

Looking for CNAME of www.uio.no
Checking if there is a AAAA for www.uio.no ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.uio.no aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1287
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.uio.no.			IN	AAAA

;; AUTHORITY SECTION:
uio.no.			10800	IN	SOA	ns1.uio.no. hostmaster.uio.no. 2012052105 10800 3600 1814400 43200

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 14:15:57 2012
;; MSG SIZE  rcvd: 79

Checking other options ... failed too.

SMTP

MX 50 smtp.uio.no
Looking for AAAA on smtp.uio.no

DNS

Looking for AAAA of NS ns2.uio.no
Querying 2001:700:100:425:0:0:0:42 for SOA of uio.no over IPv6 ... successful!
Looking for AAAA of NS ns1.uio.no
Querying 2001:700:100:2:0:0:0:6 for SOA of uio.no over IPv6 ... successful!
Looking for AAAA of NS nn.uninett.no
Querying 2001:700:0:503:0:0:aa:5302 for SOA of uio.no over IPv6 ... successful!
Looking for AAAA of NS server.nordu.net
Querying 2001:948:4:2:0:0:0:19 for SOA of uio.no over IPv6 ... successful!

NTP

Looking for an A record for ntp.uio.no
Found an A or AAAA record. Now looking for a AAAA.
ntpdate -sq ntp.uio.no (2001:700:100:2:0:0:0:6)
server 2001:700:100:2::6, stratum 2, offset -0.021187, delay 0.34502

XMPP

Looking for a SRV record for _xmpp-client._tcp.uio.no
Found XMPP client chat.uio.no (0, 5222)
Trying to connect to 129.240.118.19 on 5222 ... Connection succeeded
Trying to connect to 2001:700:100:118:0:0:0:19 on 5222 ... Connection succeeded

Looking for a SRV record for _xmpp-server._tcp.uio.no
Found XMPP server chat.uio.no (0, 5269)
Trying to connect to 129.240.118.19 on 5269 ... Connection succeeded
Trying to connect to 2001:700:100:118:0:0:0:19 on 5269 ... Connection succeeded

Last Updated: Tue May 22 04:46:06 2012 UTC