Check that www.rwth-aachen.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 rwth-aachen.de soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1055
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			217234	IN	NS	a.root-servers.net.
.			217234	IN	NS	h.root-servers.net.
.			217234	IN	NS	l.root-servers.net.
.			217234	IN	NS	i.root-servers.net.
.			217234	IN	NS	f.root-servers.net.
.			217234	IN	NS	g.root-servers.net.
.			217234	IN	NS	b.root-servers.net.
.			217234	IN	NS	m.root-servers.net.
.			217234	IN	NS	c.root-servers.net.
.			217234	IN	NS	d.root-servers.net.
.			217234	IN	NS	k.root-servers.net.
.			217234	IN	NS	j.root-servers.net.
.			217234	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	86557	IN	A	198.41.0.4
a.root-servers.net.	86557	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	44821	IN	A	192.228.79.201
c.root-servers.net.	432605	IN	A	192.33.4.12
d.root-servers.net.	390954	IN	A	128.8.10.90
d.root-servers.net.	390954	IN	AAAA	2001:500:2d::d
e.root-servers.net.	42141	IN	A	192.203.230.10
f.root-servers.net.	87428	IN	A	192.5.5.241
f.root-servers.net.	392304	IN	AAAA	2001:500:2f::f
g.root-servers.net.	88092	IN	A	192.112.36.4
h.root-servers.net.	45130	IN	A	128.63.2.53
h.root-servers.net.	45130	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	86664	IN	A	192.36.148.17
i.root-servers.net.	86664	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 13:57:27 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 828
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 10

;; QUESTION SECTION:
;rwth-aachen.de.			IN	SOA

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

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

;; Query time: 23 msec
;; SERVER: 192.203.230.10#53(e.root-servers.net)
;; WHEN: Tue May 22 13:57:27 2012
;; MSG SIZE  rcvd: 348

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1555
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 3

;; QUESTION SECTION:
;rwth-aachen.de.			IN	SOA

;; AUTHORITY SECTION:
rwth-aachen.de.		86400	IN	NS	ws-was.win-ip.dfn.de.
rwth-aachen.de.		86400	IN	NS	zs1.rz.rwth-aachen.de.
rwth-aachen.de.		86400	IN	NS	deneb.dfn.de.
rwth-aachen.de.		86400	IN	NS	zs2.rz.rwth-aachen.de.

;; ADDITIONAL SECTION:
zs1.rz.rwth-aachen.de.	86400	IN	A	134.130.4.9
zs2.rz.rwth-aachen.de.	86400	IN	A	134.130.5.9
deneb.dfn.de.		86400	IN	A	192.76.176.9

;; Query time: 203 msec
;; SERVER: 2001:668:1f:11::105#53(l.de.net)
;; WHEN: Tue May 22 13:57:27 2012
;; MSG SIZE  rcvd: 171

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1679
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 2

;; QUESTION SECTION:
;rwth-aachen.de.			IN	SOA

;; ANSWER SECTION:
rwth-aachen.de.		172800	IN	SOA	zs1.rz.rwth-aachen.de. hostmaster.rwth-aachen.de. 2012052110 43200 7200 1814400 10800

;; AUTHORITY SECTION:
rwth-aachen.de.		172800	IN	NS	ws-was.win-ip.dfn.de.
rwth-aachen.de.		172800	IN	NS	zs1.rz.rwth-aachen.de.
rwth-aachen.de.		172800	IN	NS	zs2.rz.rwth-aachen.de.
rwth-aachen.de.		172800	IN	NS	deneb.dfn.de.

;; ADDITIONAL SECTION:
zs1.rz.rwth-aachen.de.	86400	IN	A	134.130.4.9
zs2.rz.rwth-aachen.de.	86400	IN	A	134.130.5.9

;; Query time: 328 msec
;; SERVER: 134.130.4.9#53(zs1.rz.rwth-aachen.de)
;; WHEN: Tue May 22 13:57:28 2012
;; MSG SIZE  rcvd: 202

HTTP

Looking for CNAME of www.rwth-aachen.de
Checking if there is a AAAA for www.rwth-aachen.de ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.rwth-aachen.de aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 650
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.rwth-aachen.de.		IN	AAAA

;; AUTHORITY SECTION:
rwth-aachen.de.		10800	IN	SOA	zs1.rz.rwth-aachen.de. hostmaster.rwth-aachen.de. 2012052110 43200 7200 1814400 10800

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 13:57:29 2012
;; MSG SIZE  rcvd: 90

Checking other options ... failed too.

SMTP

MX 10 mx2.rz.rwth-aachen.de
Looking for AAAA on mx2.rz.rwth-aachen.de
MX 10 mx1.rz.rwth-aachen.de
Looking for AAAA on mx1.rz.rwth-aachen.de

DNS

Looking for AAAA of NS zs1.rz.rwth-aachen.de
No AAAA record for zs1.rz.rwth-aachen.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 zs2.rz.rwth-aachen.de
No AAAA record for zs2.rz.rwth-aachen.de
Looking for AAAA of NS deneb.dfn.de
No AAAA record for deneb.dfn.de

NTP

Looking for an A record for ntp.rwth-aachen.de
Looking for an A record for clock.rwth-aachen.de
Looking for an A record for time.rwth-aachen.de
Looking for an A record for chime.rwth-aachen.de

XMPP

Looking for a SRV record for _xmpp-client._tcp.rwth-aachen.de
Looking for a SRV record for _xmpp-server._tcp.rwth-aachen.de

Last Updated: Tue May 22 04:27:34 2012 UTC