Check that www.lse.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 lse.ac.uk soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 281
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			303571	IN	NS	e.root-servers.net.
.			303571	IN	NS	f.root-servers.net.
.			303571	IN	NS	k.root-servers.net.
.			303571	IN	NS	h.root-servers.net.
.			303571	IN	NS	a.root-servers.net.
.			303571	IN	NS	c.root-servers.net.
.			303571	IN	NS	m.root-servers.net.
.			303571	IN	NS	g.root-servers.net.
.			303571	IN	NS	i.root-servers.net.
.			303571	IN	NS	j.root-servers.net.
.			303571	IN	NS	l.root-servers.net.
.			303571	IN	NS	d.root-servers.net.
.			303571	IN	NS	b.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	172894	IN	A	198.41.0.4
a.root-servers.net.	172894	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	131158	IN	A	192.228.79.201
c.root-servers.net.	518942	IN	A	192.33.4.12
d.root-servers.net.	477291	IN	A	128.8.10.90
d.root-servers.net.	477291	IN	AAAA	2001:500:2d::d
e.root-servers.net.	128478	IN	A	192.203.230.10
f.root-servers.net.	173765	IN	A	192.5.5.241
f.root-servers.net.	478641	IN	AAAA	2001:500:2f::f
g.root-servers.net.	174429	IN	A	192.112.36.4
h.root-servers.net.	131467	IN	A	128.63.2.53
h.root-servers.net.	131467	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	173001	IN	A	192.36.148.17
i.root-servers.net.	173001	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 13:58:30 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1860
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 11, ADDITIONAL: 14

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

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

;; ADDITIONAL SECTION:
ns1.nic.uk.		172800	IN	A	195.66.240.130
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
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
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
ns1.nic.uk.		172800	IN	AAAA	2a01:40:1001:35::2
ns4.nic.uk.		172800	IN	AAAA	2001:630:181:35::83
nsa.nic.uk.		172800	IN	AAAA	2001:502:ad09::3

;; Query time: 129 msec
;; SERVER: 192.112.36.4#53(g.root-servers.net)
;; WHEN: Mon May 21 13:58:30 2012
;; MSG SIZE  rcvd: 489

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1444
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 0

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

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

;; Query time: 325 msec
;; SERVER: 213.248.254.130#53(ns6.nic.uk)
;; WHEN: Mon May 21 13:58:31 2012
;; MSG SIZE  rcvd: 195

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 970
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

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

;; AUTHORITY SECTION:
lse.ac.uk.		86400	IN	NS	ns1.lse.ac.uk.
lse.ac.uk.		86400	IN	NS	ns2.lse.ac.uk.
lse.ac.uk.		86400	IN	NS	ns3.ja.net.
lse.ac.uk.		86400	IN	NS	ns3.lse.ac.uk.
lse.ac.uk.		86400	IN	NS	ext-ns1.columbia.edu.

;; ADDITIONAL SECTION:
ns1.lse.ac.uk.		86400	IN	A	158.143.96.8
ns2.lse.ac.uk.		86400	IN	A	158.143.97.249
ns3.ja.net.		86400	IN	A	193.63.106.103
ns3.ja.net.		86400	IN	AAAA	2001:630:0:46::67
ns3.lse.ac.uk.		86400	IN	A	158.143.40.10

;; Query time: 325 msec
;; SERVER: 2001:610:1:800a:192:87:106:101#53(ns1.surfnet.nl)
;; WHEN: Mon May 21 13:58:31 2012
;; MSG SIZE  rcvd: 231

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 379
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

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

;; ANSWER SECTION:
lse.ac.uk.		28800	IN	SOA	ad4.lse.ac.uk. hostmaster.lse.ac.uk. 2000289162 14400 600 1209600 28800

;; ADDITIONAL SECTION:
ad4.lse.ac.uk.		28800	IN	A	158.143.192.11

;; Query time: 312 msec
;; SERVER: 158.143.40.10#53(ns3.lse.ac.uk)
;; WHEN: Mon May 21 13:58:32 2012
;; MSG SIZE  rcvd: 94

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.lse.ac.uk aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 378
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

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

;; Query time: 645 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 13:58:39 2012
;; MSG SIZE  rcvd: 31

Checking other options ... failed too.

SMTP

MX 10 cluster1.eu.messagelabs.com
Looking for AAAA on cluster1.eu.messagelabs.com
MX 10 cluster1a.eu.messagelabs.com
Looking for AAAA on cluster1a.eu.messagelabs.com

DNS

Looking for AAAA of NS ns1.lse.ac.uk
No AAAA record for ns1.lse.ac.uk
Looking for AAAA of NS ns3.ja.net
Querying 2001:630:0:46:0:0:0:67 for SOA of lse.ac.uk over IPv6 ... FAILED
Looking for AAAA of NS ns3.lse.ac.uk
No AAAA record for ns3.lse.ac.uk
Looking for AAAA of NS ext-ns1.columbia.edu
No AAAA record for ext-ns1.columbia.edu
Looking for AAAA of NS ns2.lse.ac.uk
No AAAA record for ns2.lse.ac.uk

NTP

Looking for an A record for ntp.lse.ac.uk
Looking for an A record for clock.lse.ac.uk
Looking for an A record for time.lse.ac.uk
Looking for an A record for chime.lse.ac.uk

XMPP

Looking for a SRV record for _xmpp-client._tcp.lse.ac.uk
Looking for a SRV record for _xmpp-server._tcp.lse.ac.uk

Last Updated: Mon May 21 04:30:08 2012 UTC