Check that www.uninett.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 uninett.no soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 448
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			231628	IN	NS	l.root-servers.net.
.			231628	IN	NS	d.root-servers.net.
.			231628	IN	NS	b.root-servers.net.
.			231628	IN	NS	h.root-servers.net.
.			231628	IN	NS	a.root-servers.net.
.			231628	IN	NS	c.root-servers.net.
.			231628	IN	NS	k.root-servers.net.
.			231628	IN	NS	g.root-servers.net.
.			231628	IN	NS	e.root-servers.net.
.			231628	IN	NS	j.root-servers.net.
.			231628	IN	NS	f.root-servers.net.
.			231628	IN	NS	m.root-servers.net.
.			231628	IN	NS	i.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	100951	IN	A	198.41.0.4
a.root-servers.net.	100951	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	59215	IN	A	192.228.79.201
c.root-servers.net.	446999	IN	A	192.33.4.12
d.root-servers.net.	405348	IN	A	128.8.10.90
d.root-servers.net.	405348	IN	AAAA	2001:500:2d::d
e.root-servers.net.	56535	IN	A	192.203.230.10
f.root-servers.net.	101822	IN	A	192.5.5.241
f.root-servers.net.	406698	IN	AAAA	2001:500:2f::f
g.root-servers.net.	102486	IN	A	192.112.36.4
h.root-servers.net.	59524	IN	A	128.63.2.53
h.root-servers.net.	59524	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	101058	IN	A	192.36.148.17
i.root-servers.net.	101058	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 09:57:33 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 319
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 9

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

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

;; Query time: 133 msec
;; SERVER: 2001:503:c27::2:30#53(j.root-servers.net)
;; WHEN: Tue May 22 09:57:33 2012
;; MSG SIZE  rcvd: 319

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1271
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
uninett.no.		86400	IN	NS	biff.uninett.no.
uninett.no.		86400	IN	NS	nn.uninett.no.
uninett.no.		86400	IN	NS	nac.no.
uninett.no.		86400	IN	NS	server.nordu.net.
uninett.no.		86400	IN	NS	benoni.uit.no.

;; ADDITIONAL SECTION:
nn.uninett.no.		86400	IN	A	158.38.0.181
nn.uninett.no.		86400	IN	AAAA	2001:700:0:503::aa:5302
nac.no.			86400	IN	A	128.39.2.22
nac.no.			86400	IN	AAAA	2001:700:0:102::aa53
biff.uninett.no.	86400	IN	A	158.38.180.21
biff.uninett.no.	86400	IN	AAAA	2001:700:0:526::aa53
benoni.uit.no.		86400	IN	A	129.242.4.254

;; Query time: 33 msec
;; SERVER: 194.146.106.6#53(i.nic.no)
;; WHEN: Tue May 22 09:57:34 2012
;; MSG SIZE  rcvd: 285

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 850
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 6

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

;; ANSWER SECTION:
uninett.no.		86400	IN	SOA	biff.uninett.no. hostmaster.uninett.no. 2012051800 14400 3600 1814400 86400

;; AUTHORITY SECTION:
uninett.no.		3600	IN	NS	benoni.uit.no.
uninett.no.		3600	IN	NS	biff.uninett.no.
uninett.no.		3600	IN	NS	server.nordu.net.
uninett.no.		3600	IN	NS	nac.no.
uninett.no.		3600	IN	NS	nn.uninett.no.

;; ADDITIONAL SECTION:
nn.uninett.no.		3600	IN	A	158.38.0.181
nn.uninett.no.		3600	IN	AAAA	2001:700:0:503::aa:5302
biff.uninett.no.	3600	IN	A	158.38.180.21
biff.uninett.no.	3600	IN	AAAA	2001:700:0:526::aa53
server.nordu.net.	86400	IN	A	193.10.252.19
server.nordu.net.	86400	IN	AAAA	2001:948:4:2::19

;; Query time: 347 msec
;; SERVER: 2001:948:4:2::19#53(server.nordu.net)
;; WHEN: Tue May 22 09:57:34 2012
;; MSG SIZE  rcvd: 316

HTTP

Looking for CNAME of www.uninett.no
Checking if there is a AAAA for www.uninett.no ... success.
Sending...

HEAD / HTTP/1.1
Host: www.uninett.no
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 301 Moved Permanently
Date: Tue, 22 May 2012 00:27:36 GMT
Server: Apache/2.2.16 (Debian) PHP/5.3.3-7+squeeze9 with Suhosin-Patch mod_ssl/2.2.16 OpenSSL/0.9.8o mod_wsgi/3.3 Python/2.6.6 mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.1
Location: https://www.uninett.no/
Vary: Accept-Encoding
Connection: close
Content-Type: text/html; charset=iso-8859-1

Accessed / [2001:700:0:4513:158:38:130:37] Response: HTTP/1.1 301 Moved Permanently
Redirecting to https://www.uninett.no/
Cannot follow to https

SMTP

MX 15 dike-ac.uninett.no
Looking for AAAA on dike-ac.uninett.no
Connecting to 2001:700:0:ff00:0:0:0:10 ... done.
220 dike1-bs.uninett.no ESMTP Postfix (Debian/GNU)
250-dike1-bs.uninett.no
250-PIPELINING
250-SIZE
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

DNS

Looking for AAAA of NS biff.uninett.no
Querying 2001:700:0:526:0:0:0:aa53 for SOA of uninett.no over IPv6 ... successful!
Looking for AAAA of NS server.nordu.net
Querying 2001:948:4:2:0:0:0:19 for SOA of uninett.no over IPv6 ... successful!
Looking for AAAA of NS benoni.uit.no
No AAAA record for benoni.uit.no
Looking for AAAA of NS nn.uninett.no
Querying 2001:700:0:503:0:0:aa:5302 for SOA of uninett.no over IPv6 ... successful!
Looking for AAAA of NS nac.no
Querying 2001:700:0:102:0:0:0:aa53 for SOA of uninett.no over IPv6 ... successful!

NTP

Looking for an A record for ntp.uninett.no
Found an A or AAAA record. Now looking for a AAAA.
ntpdate -sq ntp.uninett.no (2001:700:0:503:0:0:0:ca53)
server 2001:700:0:503::ca53, stratum 2, offset -0.008710, delay 0.37866

XMPP

Looking for a SRV record for _xmpp-client._tcp.uninett.no
Found XMPP client wildfire.uninett.no (0, 5222)
Trying to connect to 158.38.130.24 on 5222 ... Connection succeeded
Trying to connect to 2001:700:0:4513:158:38:130:24 on 5222 ... Connection succeeded

Looking for a SRV record for _xmpp-server._tcp.uninett.no
Found XMPP server wildfire.uninett.no (0, 5269)
Trying to connect to 158.38.130.24 on 5269 ... Connection succeeded
Trying to connect to 2001:700:0:4513:158:38:130:24 on 5269 ... Connection succeeded

Last Updated: Tue May 22 00:27:47 2012 UTC