Check that www.warwick.ac.uk 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 warwick.ac.uk soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 951
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			127206	IN	NS	e.root-servers.net.
.			127206	IN	NS	d.root-servers.net.
.			127206	IN	NS	m.root-servers.net.
.			127206	IN	NS	a.root-servers.net.
.			127206	IN	NS	c.root-servers.net.
.			127206	IN	NS	h.root-servers.net.
.			127206	IN	NS	k.root-servers.net.
.			127206	IN	NS	j.root-servers.net.
.			127206	IN	NS	g.root-servers.net.
.			127206	IN	NS	b.root-servers.net.
.			127206	IN	NS	l.root-servers.net.
.			127206	IN	NS	i.root-servers.net.
.			127206	IN	NS	f.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	515801	IN	A	198.41.0.4
a.root-servers.net.	515801	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	473194	IN	A	192.228.79.201
c.root-servers.net.	342577	IN	A	192.33.4.12
d.root-servers.net.	300926	IN	A	128.8.10.90
d.root-servers.net.	300926	IN	AAAA	2001:500:2d::d
e.root-servers.net.	473194	IN	A	192.203.230.10
f.root-servers.net.	515801	IN	A	192.5.5.241
f.root-servers.net.	302276	IN	AAAA	2001:500:2f::f
g.root-servers.net.	516472	IN	A	192.112.36.4
h.root-servers.net.	515801	IN	A	128.63.2.53
h.root-servers.net.	515801	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	515801	IN	A	192.36.148.17
i.root-servers.net.	515801	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 14:57:55 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1022
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 11, ADDITIONAL: 14

;; QUESTION SECTION:
;warwick.ac.uk.			IN	SOA

;; AUTHORITY SECTION:
uk.			172800	IN	NS	ns7.nic.uk.
uk.			172800	IN	NS	ns5.nic.uk.
uk.			172800	IN	NS	nsc.nic.uk.
uk.			172800	IN	NS	nsb.nic.uk.
uk.			172800	IN	NS	ns2.nic.uk.
uk.			172800	IN	NS	ns6.nic.uk.
uk.			172800	IN	NS	nsa.nic.uk.
uk.			172800	IN	NS	ns3.nic.uk.
uk.			172800	IN	NS	ns1.nic.uk.
uk.			172800	IN	NS	nsd.nic.uk.
uk.			172800	IN	NS	ns4.nic.uk.

;; ADDITIONAL SECTION:
ns1.nic.uk.		172800	IN	A	195.66.240.130
ns1.nic.uk.		172800	IN	AAAA	2a01:40:1001:35::2
ns2.nic.uk.		172800	IN	A	217.79.164.131
ns3.nic.uk.		172800	IN	A	213.219.13.131
ns4.nic.uk.		172800	IN	A	194.83.244.131
ns4.nic.uk.		172800	IN	AAAA	2001:630:181:35::83
ns5.nic.uk.		172800	IN	A	213.246.167.131
ns6.nic.uk.		172800	IN	A	213.248.254.130
ns7.nic.uk.		172800	IN	A	212.121.40.130
nsa.nic.uk.		172800	IN	A	156.154.100.3
nsa.nic.uk.		172800	IN	AAAA	2001:502:ad09::3
nsb.nic.uk.		172800	IN	A	156.154.101.3
nsc.nic.uk.		172800	IN	A	156.154.102.3
nsd.nic.uk.		172800	IN	A	156.154.103.3

;; Query time: 134 msec
;; SERVER: 2001:503:ba3e::2:30#53(a.root-servers.net)
;; WHEN: Wed May 23 14:57:55 2012
;; MSG SIZE  rcvd: 493

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1114
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 0

;; QUESTION SECTION:
;warwick.ac.uk.			IN	SOA

;; AUTHORITY SECTION:
ac.uk.			172800	IN	NS	ns0.ja.net.
ac.uk.			172800	IN	NS	ns4.ja.net.
ac.uk.			172800	IN	NS	ns2.ja.net.
ac.uk.			172800	IN	NS	auth03.ns.uu.net.
ac.uk.			172800	IN	NS	ns1.surfnet.nl.
ac.uk.			172800	IN	NS	ws-fra1.win-ip.dfn.de.
ac.uk.			172800	IN	NS	ns3.ja.net.

;; Query time: 226 msec
;; SERVER: 156.154.102.3#53(nsc.nic.uk)
;; WHEN: Wed May 23 14:57:55 2012
;; MSG SIZE  rcvd: 199

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1210
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;warwick.ac.uk.			IN	SOA

;; AUTHORITY SECTION:
warwick.ac.uk.		86400	IN	NS	extdns1.warwick.ac.uk.
warwick.ac.uk.		86400	IN	NS	extdns2.warwick.ac.uk.

;; ADDITIONAL SECTION:
extdns1.warwick.ac.uk.	86400	IN	A	137.205.84.17
extdns2.warwick.ac.uk.	86400	IN	A	137.205.84.18

;; Query time: 283 msec
;; SERVER: 2001:630:0:47::42#53(ns4.ja.net)
;; WHEN: Wed May 23 14:57:55 2012
;; MSG SIZE  rcvd: 107

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1186
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;warwick.ac.uk.			IN	SOA

;; ANSWER SECTION:
warwick.ac.uk.		3600	IN	SOA	INTDNS1.warwick.ac.uk. hostmaster.csv.warwick.ac.uk. 353162994 1200 180 1209600 3600

;; AUTHORITY SECTION:
warwick.ac.uk.		3600	IN	NS	extdns1.warwick.ac.uk.
warwick.ac.uk.		3600	IN	NS	extdns2.warwick.ac.uk.

;; ADDITIONAL SECTION:
extdns1.warwick.ac.uk.	3600	IN	A	137.205.84.17
extdns2.warwick.ac.uk.	3600	IN	A	137.205.84.18

;; Query time: 295 msec
;; SERVER: 137.205.84.17#53(extdns1.warwick.ac.uk)
;; WHEN: Wed May 23 14:57:56 2012
;; MSG SIZE  rcvd: 166

HTTP

Looking for CNAME of www.warwick.ac.uk
Checking if there is a AAAA for www.warwick.ac.uk ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.warwick.ac.uk aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1671
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.warwick.ac.uk.		IN	AAAA

;; ANSWER SECTION:
www.warwick.ac.uk.	3599	IN	CNAME	www.csv.warwick.ac.uk.

;; AUTHORITY SECTION:
csv.warwick.ac.uk.	3600	IN	SOA	INTDNS1.warwick.ac.uk. hostmaster.csv.warwick.ac.uk. 353162942 1200 180 1209600 3600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 14:57:57 2012
;; MSG SIZE  rcvd: 112

Checking other options ... failed too.

SMTP

MX 5 mail-relay-4.csv.warwick.ac.uk
Looking for AAAA on mail-relay-4.csv.warwick.ac.uk
MX 5 mail-relay-1.csv.warwick.ac.uk
Looking for AAAA on mail-relay-1.csv.warwick.ac.uk
MX 5 mail-relay-2.csv.warwick.ac.uk
Looking for AAAA on mail-relay-2.csv.warwick.ac.uk
MX 5 mail-relay-3.csv.warwick.ac.uk
Looking for AAAA on mail-relay-3.csv.warwick.ac.uk

DNS

Looking for AAAA of NS extdns2.warwick.ac.uk
No AAAA record for extdns2.warwick.ac.uk
Looking for AAAA of NS extdns1.warwick.ac.uk
No AAAA record for extdns1.warwick.ac.uk

NTP

Looking for an A record for ntp.warwick.ac.uk
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for ntp.warwick.ac.uk
Cannot find a AAAA record for ntp.ipv6.warwick.ac.uk

XMPP

Looking for a SRV record for _xmpp-client._tcp.warwick.ac.uk
Found XMPP client jabber.csv.warwick.ac.uk (5, 5222)
Trying to connect to 137.205.243.9 on 5222 ... Connection succeeded
Looking for a SRV record for _xmpp-server._tcp.warwick.ac.uk
Found XMPP server jabber.csv.warwick.ac.uk (5, 5269)
Trying to connect to 137.205.243.9 on 5269 ... Connection succeeded

Last Updated: Wed May 23 05:28:03 2012 UTC