Check that www.hu-berlin.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 hu-berlin.de soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1539
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			303972	IN	NS	l.root-servers.net.
.			303972	IN	NS	b.root-servers.net.
.			303972	IN	NS	i.root-servers.net.
.			303972	IN	NS	m.root-servers.net.
.			303972	IN	NS	c.root-servers.net.
.			303972	IN	NS	g.root-servers.net.
.			303972	IN	NS	k.root-servers.net.
.			303972	IN	NS	h.root-servers.net.
.			303972	IN	NS	e.root-servers.net.
.			303972	IN	NS	a.root-servers.net.
.			303972	IN	NS	f.root-servers.net.
.			303972	IN	NS	j.root-servers.net.
.			303972	IN	NS	d.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	173295	IN	A	198.41.0.4
a.root-servers.net.	173295	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	131559	IN	A	192.228.79.201
c.root-servers.net.	519343	IN	A	192.33.4.12
d.root-servers.net.	477692	IN	A	128.8.10.90
d.root-servers.net.	477692	IN	AAAA	2001:500:2d::d
e.root-servers.net.	128879	IN	A	192.203.230.10
f.root-servers.net.	174166	IN	A	192.5.5.241
f.root-servers.net.	479042	IN	AAAA	2001:500:2f::f
g.root-servers.net.	174830	IN	A	192.112.36.4
h.root-servers.net.	131868	IN	A	128.63.2.53
h.root-servers.net.	131868	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	173402	IN	A	192.36.148.17
i.root-servers.net.	173402	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 13:51:49 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 610
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 10

;; QUESTION SECTION:
;hu-berlin.de.			IN	SOA

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

;; 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: 134 msec
;; SERVER: 2001:503:c27::2:30#53(j.root-servers.net)
;; WHEN: Mon May 21 13:51:49 2012
;; MSG SIZE  rcvd: 344

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 498
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;hu-berlin.de.			IN	SOA

;; AUTHORITY SECTION:
hu-berlin.de.		86400	IN	NS	ns.tu-berlin.de.
hu-berlin.de.		86400	IN	NS	ws-was.win-ip.dfn.de.
hu-berlin.de.		86400	IN	NS	hpcom.rz.hu-berlin.de.
hu-berlin.de.		86400	IN	NS	suncom.rz.hu-berlin.de.
hu-berlin.de.		86400	IN	NS	buffy.cms.hu-berlin.de.

;; ADDITIONAL SECTION:
ns.tu-berlin.de.	86400	IN	A	130.149.7.7
buffy.cms.hu-berlin.de.	86400	IN	A	141.20.2.3
hpcom.rz.hu-berlin.de.	86400	IN	A	141.20.1.3
hpcom.rz.hu-berlin.de.	86400	IN	AAAA	2001:638:813:1::3
suncom.rz.hu-berlin.de.	86400	IN	A	141.20.1.31

;; Query time: 335 msec
;; SERVER: 2a02:568:0:2::53#53(f.nic.de)
;; WHEN: Mon May 21 13:51:50 2012
;; MSG SIZE  rcvd: 249

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1864
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 6

;; QUESTION SECTION:
;hu-berlin.de.			IN	SOA

;; ANSWER SECTION:
hu-berlin.de.		172800	IN	SOA	hpcom.rz.hu-berlin.de. bschmidt.rz.hu-berlin.de. 2012050201 21600 1800 604800 300

;; AUTHORITY SECTION:
hu-berlin.de.		172800	IN	NS	buffy.cms.hu-berlin.de.
hu-berlin.de.		172800	IN	NS	suncom.rz.hu-berlin.de.
hu-berlin.de.		172800	IN	NS	ws-was.win-ip.dfn.de.
hu-berlin.de.		172800	IN	NS	ns.tu-berlin.de.
hu-berlin.de.		172800	IN	NS	hpcom.rz.hu-berlin.de.

;; ADDITIONAL SECTION:
ns.tu-berlin.de.	28800	IN	A	130.149.7.7
hpcom.rz.hu-berlin.de.	172800	IN	A	141.20.1.3
hpcom.rz.hu-berlin.de.	600	IN	AAAA	2001:638:813:1::3
suncom.rz.hu-berlin.de.	172800	IN	A	141.20.1.31
ws-was.win-ip.dfn.de.	86400	IN	A	193.174.75.110
ws-was.win-ip.dfn.de.	86400	IN	A	193.174.75.126

;; Query time: 324 msec
;; SERVER: 193.174.75.126#53(ws-was.win-ip.dfn.de)
;; WHEN: Mon May 21 13:51:51 2012
;; MSG SIZE  rcvd: 310

HTTP

Looking for CNAME of www.hu-berlin.de
Checking if there is a AAAA for www.hu-berlin.de ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.hu-berlin.de aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1523
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.hu-berlin.de.		IN	AAAA

;; ANSWER SECTION:
www.hu-berlin.de.	172799	IN	CNAME	webmania.cms.hu-berlin.de.

;; AUTHORITY SECTION:
cms.hu-berlin.de.	300	IN	SOA	hpcom.rz.hu-berlin.de. bschmidt.rz.hu-berlin.de. 2012051403 21600 1800 604800 300

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 13:51:52 2012
;; MSG SIZE  rcvd: 115

Checking other options ... failed too.

SMTP

MX 100 ir2.cms.hu-berlin.de
Looking for AAAA on ir2.cms.hu-berlin.de
MX 100 ir1.cms.hu-berlin.de
Looking for AAAA on ir1.cms.hu-berlin.de

DNS

Looking for AAAA of NS ns.tu-berlin.de
No AAAA record for ns.tu-berlin.de
Looking for AAAA of NS buffy.cms.hu-berlin.de
No AAAA record for buffy.cms.hu-berlin.de
Looking for AAAA of NS ws-was.win-ip.dfn.de
No AAAA record for ws-was.win-ip.dfn.de
Looking for AAAA of NS suncom.rz.hu-berlin.de
No AAAA record for suncom.rz.hu-berlin.de
Looking for AAAA of NS hpcom.rz.hu-berlin.de
Querying 2001:638:813:1:0:0:0:3 for SOA of hu-berlin.de over IPv6 ... successful!

NTP

Looking for an A record for ntp.hu-berlin.de
Looking for an A record for clock.hu-berlin.de
Looking for an A record for time.hu-berlin.de
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for time.hu-berlin.de
Cannot find a AAAA record for time.ipv6.hu-berlin.de

XMPP

Looking for a SRV record for _xmpp-client._tcp.hu-berlin.de
Looking for a SRV record for _xmpp-server._tcp.hu-berlin.de

Last Updated: Mon May 21 04:23:19 2012 UTC