Check that www.ic.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 ic.ac.uk soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 388
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			303881	IN	NS	d.root-servers.net.
.			303881	IN	NS	e.root-servers.net.
.			303881	IN	NS	i.root-servers.net.
.			303881	IN	NS	c.root-servers.net.
.			303881	IN	NS	a.root-servers.net.
.			303881	IN	NS	b.root-servers.net.
.			303881	IN	NS	g.root-servers.net.
.			303881	IN	NS	m.root-servers.net.
.			303881	IN	NS	h.root-servers.net.
.			303881	IN	NS	f.root-servers.net.
.			303881	IN	NS	j.root-servers.net.
.			303881	IN	NS	k.root-servers.net.
.			303881	IN	NS	l.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	173204	IN	A	198.41.0.4
a.root-servers.net.	173204	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	131468	IN	A	192.228.79.201
c.root-servers.net.	519252	IN	A	192.33.4.12
d.root-servers.net.	477601	IN	A	128.8.10.90
d.root-servers.net.	477601	IN	AAAA	2001:500:2d::d
e.root-servers.net.	128788	IN	A	192.203.230.10
f.root-servers.net.	174075	IN	A	192.5.5.241
f.root-servers.net.	478951	IN	AAAA	2001:500:2f::f
g.root-servers.net.	174739	IN	A	192.112.36.4
h.root-servers.net.	131777	IN	A	128.63.2.53
h.root-servers.net.	131777	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	173311	IN	A	192.36.148.17
i.root-servers.net.	173311	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 13:53:20 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1793
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 11, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
uk.			172800	IN	NS	ns7.nic.uk.
uk.			172800	IN	NS	ns2.nic.uk.
uk.			172800	IN	NS	nsa.nic.uk.
uk.			172800	IN	NS	ns5.nic.uk.
uk.			172800	IN	NS	nsd.nic.uk.
uk.			172800	IN	NS	nsc.nic.uk.
uk.			172800	IN	NS	ns4.nic.uk.
uk.			172800	IN	NS	ns1.nic.uk.
uk.			172800	IN	NS	nsb.nic.uk.
uk.			172800	IN	NS	ns3.nic.uk.
uk.			172800	IN	NS	ns6.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: Mon May 21 13:53:20 2012
;; MSG SIZE  rcvd: 488

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 627
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
ac.uk.			172800	IN	NS	ns3.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	ns4.ja.net.
ac.uk.			172800	IN	NS	ns2.ja.net.
ac.uk.			172800	IN	NS	ns0.ja.net.

;; Query time: 319 msec
;; SERVER: 213.219.13.131#53(ns3.nic.uk)
;; WHEN: Mon May 21 13:53:20 2012
;; MSG SIZE  rcvd: 194

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 471
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
ic.ac.uk.		86400	IN	NS	ns1.ic.ac.uk.
ic.ac.uk.		86400	IN	NS	ns0.ic.ac.uk.
ic.ac.uk.		86400	IN	NS	authdns1.csx.cam.ac.uk.
ic.ac.uk.		86400	IN	NS	ns2.ic.ac.uk.

;; ADDITIONAL SECTION:
ns0.ic.ac.uk.		86400	IN	A	155.198.142.80
ns0.ic.ac.uk.		86400	IN	AAAA	2001:630:12:600:1::80
ns1.ic.ac.uk.		86400	IN	A	155.198.142.81
ns1.ic.ac.uk.		86400	IN	AAAA	2001:630:12:600:1::81
ns2.ic.ac.uk.		86400	IN	A	155.198.142.82
authdns1.csx.cam.ac.uk.	86400	IN	A	131.111.12.37
authdns1.csx.cam.ac.uk.	86400	IN	AAAA	2001:630:212:12::d:a1

;; Query time: 311 msec
;; SERVER: 2001:630:0:47::42#53(ns4.ja.net)
;; WHEN: Mon May 21 13:53:20 2012
;; MSG SIZE  rcvd: 259

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1393
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 7

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

;; ANSWER SECTION:
ic.ac.uk.		3600	IN	SOA	ns0.ic.ac.uk. hostmaster.ic.ac.uk. 2007355225 2700 1800 3600000 3600

;; AUTHORITY SECTION:
ic.ac.uk.		86400	IN	NS	ns0.ic.ac.uk.
ic.ac.uk.		86400	IN	NS	authdns1.csx.cam.ac.uk.
ic.ac.uk.		86400	IN	NS	ns1.ic.ac.uk.
ic.ac.uk.		86400	IN	NS	ns2.ic.ac.uk.

;; ADDITIONAL SECTION:
ns0.ic.ac.uk.		86400	IN	A	155.198.142.80
ns0.ic.ac.uk.		86400	IN	AAAA	2001:630:12:600:1::80
ns1.ic.ac.uk.		86400	IN	A	155.198.142.81
ns1.ic.ac.uk.		86400	IN	AAAA	2001:630:12:600:1::81
ns2.ic.ac.uk.		86400	IN	A	155.198.142.82
authdns1.csx.cam.ac.uk.	86400	IN	A	131.111.12.37
authdns1.csx.cam.ac.uk.	86400	IN	AAAA	2001:630:212:12::d:a1

;; Query time: 313 msec
;; SERVER: 2001:630:212:12::d:a1#53(authdns1.csx.cam.ac.uk)
;; WHEN: Mon May 21 13:53:21 2012
;; MSG SIZE  rcvd: 306

HTTP

Looking for CNAME of www.ic.ac.uk
Checking if there is a AAAA for www.ic.ac.uk ... success.
Sending...

HEAD / HTTP/1.1
Host: www.ic.ac.uk
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 301 Moved Permanently
Cache-Control: private
Content-Length: 0
Content-Type: text/html
Location: http://www3.imperial.ac.uk/
Server: Microsoft-IIS/7.5
Set-Cookie: ICWWWAffinityIIS7=2b55d1a461830bc96e7759d6b407ba01ff007927bbed472b4b65216f77aef0e7;Path=/;Domain=www.ic.ac.uk
Set-Cookie: ASPSESSIONIDCCDRCSTR=MPJHMOKABFKENOPMGKCJDCLA; path=/
ServerName: ICWWW1
X-Powered-By: ASP.NET
X-Powered-By: ARR/2.5
X-Powered-By: ASP.NET
Date: Mon, 21 May 2012 04:23:24 GMT

Accessed / [2001:630:12:600:1:0:0:107] Response: HTTP/1.1 301 Moved Permanently
Redirecting to http://www3.imperial.ac.uk/
No AAAA on redirect.

SMTP

MX 10 mx3.cc.ic.ac.uk
Looking for AAAA on mx3.cc.ic.ac.uk
Connecting to 2001:630:12:601:0:0:0:153 ... done.
220 mx3.cc.ic.ac.uk ESMTP Exim 4.77 Mon, 21 May 2012 05:23:26 +0100
250-mx3.cc.ic.ac.uk Hello suzuka.mrp.net [2001:44b8:60::2]
250-SIZE 26214400
250-PIPELINING
250 HELP
MX 10 mx4.cc.ic.ac.uk
Looking for AAAA on mx4.cc.ic.ac.uk
Connecting to 2001:630:12:601:0:0:0:154 ... done.
220 mx4.cc.ic.ac.uk ESMTP Exim 4.77 Mon, 21 May 2012 05:23:29 +0100
250-mx4.cc.ic.ac.uk Hello suzuka.mrp.net [2001:44b8:60::2]
250-SIZE 26214400
250-PIPELINING
250 HELP
MX 10 mx1.cc.ic.ac.uk
Looking for AAAA on mx1.cc.ic.ac.uk
Connecting to 2001:630:12:601:0:0:0:151 ... done.
220 mx1.cc.ic.ac.uk ESMTP Exim 4.77 Mon, 21 May 2012 05:23:31 +0100
250-mx1.cc.ic.ac.uk Hello suzuka.mrp.net [2001:44b8:60::2]
250-SIZE 26214400
250-PIPELINING
250 HELP
MX 10 mx2.cc.ic.ac.uk
Looking for AAAA on mx2.cc.ic.ac.uk
Connecting to 2001:630:12:601:0:0:0:152 ... done.
220 mx2.cc.ic.ac.uk ESMTP Exim 4.77 Mon, 21 May 2012 05:23:33 +0100
250-mx2.cc.ic.ac.uk Hello suzuka.mrp.net [2001:44b8:60::2]
250-SIZE 26214400
250-PIPELINING
250 HELP

DNS

Looking for AAAA of NS ns1.ic.ac.uk
Querying 2001:630:12:600:1:0:0:81 for SOA of ic.ac.uk over IPv6 ... successful!
Looking for AAAA of NS ns0.ic.ac.uk
Querying 2001:630:12:600:1:0:0:80 for SOA of ic.ac.uk over IPv6 ... successful!
Looking for AAAA of NS authdns1.csx.cam.ac.uk
Querying 2001:630:212:12:0:0:d:a1 for SOA of ic.ac.uk over IPv6 ... successful!
Looking for AAAA of NS ns2.ic.ac.uk
No AAAA record for ns2.ic.ac.uk

NTP

Looking for an A record for ntp.ic.ac.uk
Looking for an A record for clock.ic.ac.uk
Looking for an A record for time.ic.ac.uk
Found an A or AAAA record. Now looking for a AAAA.
ntpdate -sq time.ic.ac.uk (2001:630:12:601:0:0:0:500)
server 2001:630:12:601::500, stratum 0, offset 0.000000, delay 0.00000
Found problem with stratum (0)

XMPP

Looking for a SRV record for _xmpp-client._tcp.ic.ac.uk
Found XMPP client jabber.cc.ic.ac.uk (5, 5222)
Trying to connect to 155.198.142.32 on 5222 ... Connection succeeded
Looking for a SRV record for _xmpp-server._tcp.ic.ac.uk
Found XMPP server jabber.cc.ic.ac.uk (5, 5269)
Trying to connect to 155.198.142.32 on 5269 ... Connection succeeded

Last Updated: Mon May 21 04:23:42 2012 UTC