Check that www.ku.dk 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 ku.dk soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1214
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			303859	IN	NS	m.root-servers.net.
.			303859	IN	NS	l.root-servers.net.
.			303859	IN	NS	f.root-servers.net.
.			303859	IN	NS	a.root-servers.net.
.			303859	IN	NS	h.root-servers.net.
.			303859	IN	NS	e.root-servers.net.
.			303859	IN	NS	i.root-servers.net.
.			303859	IN	NS	c.root-servers.net.
.			303859	IN	NS	b.root-servers.net.
.			303859	IN	NS	k.root-servers.net.
.			303859	IN	NS	d.root-servers.net.
.			303859	IN	NS	j.root-servers.net.
.			303859	IN	NS	g.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	173182	IN	A	198.41.0.4
a.root-servers.net.	173182	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	131446	IN	A	192.228.79.201
c.root-servers.net.	519230	IN	A	192.33.4.12
d.root-servers.net.	477579	IN	A	128.8.10.90
d.root-servers.net.	477579	IN	AAAA	2001:500:2d::d
e.root-servers.net.	128766	IN	A	192.203.230.10
f.root-servers.net.	174053	IN	A	192.5.5.241
f.root-servers.net.	478929	IN	AAAA	2001:500:2f::f
g.root-servers.net.	174717	IN	A	192.112.36.4
h.root-servers.net.	131755	IN	A	128.63.2.53
h.root-servers.net.	131755	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	173289	IN	A	192.36.148.17
i.root-servers.net.	173289	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 13:53:42 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1412
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 9

;; QUESTION SECTION:
;ku.dk.				IN	SOA

;; AUTHORITY SECTION:
dk.			172800	IN	NS	l.nic.dk.
dk.			172800	IN	NS	a.nic.dk.
dk.			172800	IN	NS	b.nic.dk.
dk.			172800	IN	NS	c.nic.dk.
dk.			172800	IN	NS	p.nic.dk.
dk.			172800	IN	NS	s.nic.dk.

;; ADDITIONAL SECTION:
a.nic.dk.		172800	IN	A	212.88.78.122
b.nic.dk.		172800	IN	A	193.163.102.222
b.nic.dk.		172800	IN	AAAA	2a01:630:0:80::53
c.nic.dk.		172800	IN	A	208.76.168.244
l.nic.dk.		172800	IN	A	192.38.7.242
p.nic.dk.		172800	IN	A	204.61.216.36
p.nic.dk.		172800	IN	AAAA	2001:500:14:6036:ad::1
s.nic.dk.		172800	IN	A	77.72.229.252
s.nic.dk.		172800	IN	AAAA	2a01:3f0:0:303::53

;; Query time: 200 msec
;; SERVER: 192.33.4.12#53(c.root-servers.net)
;; WHEN: Mon May 21 13:53:42 2012
;; MSG SIZE  rcvd: 303

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1866
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 4

;; QUESTION SECTION:
;ku.dk.				IN	SOA

;; AUTHORITY SECTION:
ku.dk.			86400	IN	NS	garm.adm.ku.dk.
ku.dk.			86400	IN	NS	quark.adm.ku.dk.
ku.dk.			86400	IN	NS	ns-soa.darenet.dk.

;; ADDITIONAL SECTION:
garm.adm.ku.dk.		86400	IN	A	130.225.127.34
quark.adm.ku.dk.	86400	IN	A	130.225.127.5
ns-soa.darenet.dk.	86400	IN	A	130.226.1.4
ns-soa.darenet.dk.	86400	IN	AAAA	2001:878:0:100::4

;; Query time: 338 msec
;; SERVER: 2a01:3f0:0:303::53#53(s.nic.dk)
;; WHEN: Mon May 21 13:53:43 2012
;; MSG SIZE  rcvd: 171

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 4

;; QUESTION SECTION:
;ku.dk.				IN	SOA

;; ANSWER SECTION:
ku.dk.			86400	IN	SOA	garm.adm.ku.dk. hostmaster.adm.ku.dk. 2012051601 7200 3600 604800 3600

;; AUTHORITY SECTION:
ku.dk.			86400	IN	NS	garm.adm.ku.dk.
ku.dk.			86400	IN	NS	ns-soa.darenet.dk.
ku.dk.			86400	IN	NS	quark.adm.ku.dk.

;; ADDITIONAL SECTION:
garm.adm.ku.dk.		86400	IN	A	130.225.127.34
ns-soa.darenet.dk.	86400	IN	A	130.226.1.4
ns-soa.darenet.dk.	86400	IN	AAAA	2001:878:0:100::4
quark.adm.ku.dk.	86400	IN	A	130.225.127.5

;; Query time: 332 msec
;; SERVER: 2001:878:0:100::4#53(ns-soa.darenet.dk)
;; WHEN: Mon May 21 13:53:43 2012
;; MSG SIZE  rcvd: 218

HTTP

Looking for CNAME of www.ku.dk
Checking if there is a AAAA for www.ku.dk ... success.
Sending...

HEAD / HTTP/1.1
Host: www.ku.dk
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 200 OK
Date: Mon, 21 May 2012 04:23:30 GMT
Server: Microsoft-IIS/6.0
P3P: CP="OTI DSP COR ADM DEV TAI IVA HIS PUB LEG PRE"
MicrosoftOfficeWebServer: 5.0_Pub
X-Powered-By: ASP.NET
Content-Length: 25667
Content-Type: text/html; Charset=utf-8
Cache-control: private
Set-Cookie: ASPSESSIONIDCAQQSTSA=BAFPLBCAELIBHHEOMBIDCCLN; path=/
Connection: close

Accessed / [2001:878:100:12:0:0:0:135] Response: HTTP/1.1 200 OK

SMTP

MX 10 mail.messaging.microsoft.com
Looking for AAAA on mail.messaging.microsoft.com

DNS

Looking for AAAA of NS quark.adm.ku.dk
No AAAA record for quark.adm.ku.dk
Looking for AAAA of NS ns-soa.darenet.dk
Querying 2001:878:0:100:0:0:0:4 for SOA of ku.dk over IPv6 ... successful!
Looking for AAAA of NS garm.adm.ku.dk
No AAAA record for garm.adm.ku.dk

NTP

Looking for an A record for ntp.ku.dk
Looking for an A record for clock.ku.dk
Looking for an A record for time.ku.dk
Looking for an A record for chime.ku.dk

XMPP

Looking for a SRV record for _xmpp-client._tcp.ku.dk
Looking for a SRV record for _xmpp-server._tcp.ku.dk

Last Updated: Mon May 21 04:23:50 2012 UTC