Check that www.fbi.h-da.de 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 fbi.h-da.de soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1713
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			27867	IN	NS	a.root-servers.net.
.			27867	IN	NS	i.root-servers.net.
.			27867	IN	NS	j.root-servers.net.
.			27867	IN	NS	h.root-servers.net.
.			27867	IN	NS	c.root-servers.net.
.			27867	IN	NS	b.root-servers.net.
.			27867	IN	NS	g.root-servers.net.
.			27867	IN	NS	e.root-servers.net.
.			27867	IN	NS	m.root-servers.net.
.			27867	IN	NS	l.root-servers.net.
.			27867	IN	NS	f.root-servers.net.
.			27867	IN	NS	d.root-servers.net.
.			27867	IN	NS	k.root-servers.net.

;; ADDITIONAL SECTION:
k.root-servers.net.	517385	IN	A	193.0.14.129
k.root-servers.net.	517385	IN	AAAA	2001:7fd::1
a.root-servers.net.	515859	IN	A	198.41.0.4
a.root-servers.net.	515859	IN	AAAA	2001:503:ba3e::2:30
c.root-servers.net.	216517	IN	A	192.33.4.12
d.root-servers.net.	213071	IN	A	128.8.10.90
d.root-servers.net.	213071	IN	AAAA	2001:500:2d::d
j.root-servers.net.	128129	IN	A	192.58.128.30
j.root-servers.net.	128129	IN	AAAA	2001:503:c27::2:30
b.root-servers.net.	474123	IN	A	192.228.79.201
e.root-servers.net.	471443	IN	A	192.203.230.10
i.root-servers.net.	515966	IN	A	192.36.148.17
i.root-servers.net.	515966	IN	AAAA	2001:7fe::53
f.root-servers.net.	516730	IN	A	192.5.5.241

;; Query time: 16 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 14:42:25 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1879
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 10

;; QUESTION SECTION:
;fbi.h-da.de.			IN	SOA

;; AUTHORITY SECTION:
de.			172800	IN	NS	a.nic.de.
de.			172800	IN	NS	s.de.net.
de.			172800	IN	NS	n.de.net.
de.			172800	IN	NS	f.nic.de.
de.			172800	IN	NS	z.nic.de.
de.			172800	IN	NS	l.de.net.

;; ADDITIONAL SECTION:
a.nic.de.		172800	IN	A	194.0.0.53
a.nic.de.		172800	IN	AAAA	2001:678:2::53
f.nic.de.		172800	IN	A	81.91.164.5
f.nic.de.		172800	IN	AAAA	2a02:568:0:2::53
l.de.net.		172800	IN	A	77.67.63.105
l.de.net.		172800	IN	AAAA	2001:668:1f:11::105
n.de.net.		172800	IN	A	194.146.107.6
n.de.net.		172800	IN	AAAA	2001:67c:1011:1::53
s.de.net.		172800	IN	A	195.243.137.26
z.nic.de.		172800	IN	A	194.246.96.1

;; Query time: 133 msec
;; SERVER: 2001:503:ba3e::2:30#53(a.root-servers.net)
;; WHEN: Thu May 17 14:42:25 2012
;; MSG SIZE  rcvd: 343

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1970
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

;; QUESTION SECTION:
;fbi.h-da.de.			IN	SOA

;; AUTHORITY SECTION:
h-da.de.		86400	IN	NS	sylt.fhrz.h-da.de.
h-da.de.		86400	IN	NS	kronos.fhrz.h-da.de.
h-da.de.		86400	IN	NS	cardassia.fhrz.h-da.de.

;; ADDITIONAL SECTION:
sylt.fhrz.h-da.de.	86400	IN	A	141.100.10.110
kronos.fhrz.h-da.de.	86400	IN	A	141.100.10.111
cardassia.fhrz.h-da.de.	86400	IN	A	141.100.1.150

;; Query time: 338 msec
;; SERVER: 2001:678:2::53#53(a.nic.de)
;; WHEN: Thu May 17 14:42:25 2012
;; MSG SIZE  rcvd: 153

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 638
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

;; QUESTION SECTION:
;fbi.h-da.de.			IN	SOA

;; ANSWER SECTION:
fbi.h-da.de.		1337	IN	SOA	ns1.fbi.h-da.de. dnsadmin.fbi.h-da.de. 2012041801 3600 1800 720000 6400

;; AUTHORITY SECTION:
fbi.h-da.de.		1337	IN	NS	kronos.fhrz.h-da.de.
fbi.h-da.de.		1337	IN	NS	minos.fhrz.h-da.de.
fbi.h-da.de.		1337	IN	NS	sylt.fhrz.h-da.de.

;; ADDITIONAL SECTION:
sylt.fhrz.h-da.de.	172800	IN	A	141.100.10.110
minos.fhrz.h-da.de.	172800	IN	A	141.100.10.113
kronos.fhrz.h-da.de.	172800	IN	A	141.100.10.111

;; Query time: 324 msec
;; SERVER: 141.100.10.110#53(sylt.fhrz.h-da.de)
;; WHEN: Thu May 17 14:42:26 2012
;; MSG SIZE  rcvd: 191

HTTP

Looking for CNAME of www.fbi.h-da.de
Checking if there is a AAAA for www.fbi.h-da.de ... success.
Sending...

HEAD / HTTP/1.1
Host: www.fbi.h-da.de
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 301 Moved Permanently
Date: Thu, 17 May 2012 05:12:28 GMT
Server: Apache/2.2.16 (Debian)
X-Powered-By: PHP/5.3.3-7+squeeze9
Set-Cookie: fe_typo_user=fabf4d8147fbff428f51c888d58a61c4; path=/; domain=www.fbi.h-da.de
Location: http://www.fbi.h-da.de/willkommen-beim-fachbereich-informatik.html
Vary: Accept-Encoding
Content-Type: text/html

Accessed / [2001:41b8:9bf:fd00:0:0:80:1] Response: HTTP/1.1 301 Moved Permanently
Redirecting to http://www.fbi.h-da.de/willkommen-beim-fachbereich-informatik.html
Sending...

HEAD /willkommen-beim-fachbereich-informatik.html HTTP/1.1
Host: www.fbi.h-da.de
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 302 Found
Date: Thu, 17 May 2012 05:12:28 GMT
Server: Apache/2.2.16 (Debian)
X-Powered-By: PHP/5.3.3-7+squeeze9
Set-Cookie: fe_typo_user=a6918c5386b6fa29dfc452cdc4f7d090; path=/; domain=www.fbi.h-da.de
Location: https://www.fbi.h-da.de/willkommen-beim-fachbereich-informatik.html
Vary: Accept-Encoding
Content-Type: text/html

Accessed /willkommen-beim-fachbereich-informatik.html [2001:41b8:9bf:fd00:0:0:80:1] Response: HTTP/1.1 302 Found
Redirecting to https://www.fbi.h-da.de/willkommen-beim-fachbereich-informatik.html
Cannot follow to https

SMTP

MX 10 ironman.h-da.de
Looking for AAAA on ironman.h-da.de

DNS

Looking for AAAA of NS kronos.fhrz.h-da.de
No AAAA record for kronos.fhrz.h-da.de
Looking for AAAA of NS sylt.fhrz.h-da.de
No AAAA record for sylt.fhrz.h-da.de
Looking for AAAA of NS minos.fhrz.h-da.de
No AAAA record for minos.fhrz.h-da.de

NTP

Looking for an A record for ntp.fbi.h-da.de
Looking for an A record for clock.fbi.h-da.de
Looking for an A record for time.fbi.h-da.de
Found an A or AAAA record. Now looking for a AAAA.
ntpdate -sq time.fbi.h-da.de (2001:41b8:9bf:fd10:0:0:0:60)
server 2001:41b8:9bf:fd10::60, stratum 0, offset 0.000000, delay 0.00000
Found problem with stratum (0)

XMPP

Looking for a SRV record for _xmpp-client._tcp.fbi.h-da.de
Looking for a SRV record for _xmpp-server._tcp.fbi.h-da.de

Last Updated: Thu May 17 05:12:36 2012 UTC