Check that www.jisc.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 jisc.ac.uk soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 690
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			325577	IN	NS	a.root-servers.net.
.			325577	IN	NS	c.root-servers.net.
.			325577	IN	NS	k.root-servers.net.
.			325577	IN	NS	i.root-servers.net.
.			325577	IN	NS	h.root-servers.net.
.			325577	IN	NS	b.root-servers.net.
.			325577	IN	NS	l.root-servers.net.
.			325577	IN	NS	g.root-servers.net.
.			325577	IN	NS	j.root-servers.net.
.			325577	IN	NS	e.root-servers.net.
.			325577	IN	NS	d.root-servers.net.
.			325577	IN	NS	f.root-servers.net.
.			325577	IN	NS	m.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	194900	IN	A	198.41.0.4
a.root-servers.net.	194900	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	153164	IN	A	192.228.79.201
c.root-servers.net.	540948	IN	A	192.33.4.12
d.root-servers.net.	499297	IN	A	128.8.10.90
d.root-servers.net.	499297	IN	AAAA	2001:500:2d::d
e.root-servers.net.	150484	IN	A	192.203.230.10
f.root-servers.net.	195771	IN	A	192.5.5.241
f.root-servers.net.	500647	IN	AAAA	2001:500:2f::f
g.root-servers.net.	196435	IN	A	192.112.36.4
h.root-servers.net.	153473	IN	A	128.63.2.53
h.root-servers.net.	153473	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	195007	IN	A	192.36.148.17
i.root-servers.net.	195007	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 07:51:44 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 592
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 11, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
uk.			172800	IN	NS	ns1.nic.uk.
uk.			172800	IN	NS	ns2.nic.uk.
uk.			172800	IN	NS	ns3.nic.uk.
uk.			172800	IN	NS	ns4.nic.uk.
uk.			172800	IN	NS	ns5.nic.uk.
uk.			172800	IN	NS	ns6.nic.uk.
uk.			172800	IN	NS	ns7.nic.uk.
uk.			172800	IN	NS	nsa.nic.uk.
uk.			172800	IN	NS	nsb.nic.uk.
uk.			172800	IN	NS	nsc.nic.uk.
uk.			172800	IN	NS	nsd.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: 38 msec
;; SERVER: 2001:7fd::1#53(k.root-servers.net)
;; WHEN: Mon May 21 07:51:44 2012
;; MSG SIZE  rcvd: 490

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1547
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 0

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

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

;; Query time: 318 msec
;; SERVER: 213.219.13.131#53(ns3.nic.uk)
;; WHEN: Mon May 21 07:51:45 2012
;; MSG SIZE  rcvd: 196

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 797
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 4

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

;; AUTHORITY SECTION:
jisc.ac.uk.		86400	IN	NS	ns10.ja.net.
jisc.ac.uk.		86400	IN	NS	ns3.ja.net.

;; ADDITIONAL SECTION:
ns3.ja.net.		86400	IN	A	193.63.106.103
ns3.ja.net.		86400	IN	AAAA	2001:630:0:46::67
ns10.ja.net.		86400	IN	A	128.86.8.53
ns10.ja.net.		86400	IN	AAAA	2001:630:0:42::53

;; Query time: 314 msec
;; SERVER: 2001:630:0:8::14#53(ns0.ja.net)
;; WHEN: Mon May 21 07:51:45 2012
;; MSG SIZE  rcvd: 159

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 662
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 6

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

;; ANSWER SECTION:
jisc.ac.uk.		86400	IN	SOA	ns11.ja.net. hostmaster.ns11.ja.net. 2012051001 43200 3600 3600000 3600

;; AUTHORITY SECTION:
jisc.ac.uk.		86400	IN	NS	ns3.ja.net.
jisc.ac.uk.		86400	IN	NS	ns11.ja.net.
jisc.ac.uk.		86400	IN	NS	ns10.ja.net.

;; ADDITIONAL SECTION:
ns3.ja.net.		86400	IN	A	193.63.106.103
ns3.ja.net.		86400	IN	AAAA	2001:630:0:46::67
ns10.ja.net.		86400	IN	A	128.86.8.53
ns10.ja.net.		86400	IN	AAAA	2001:630:0:42::53
ns11.ja.net.		86400	IN	A	195.195.131.244
ns11.ja.net.		86400	IN	AAAA	2001:630:1:8::244:0

;; Query time: 321 msec
;; SERVER: 2001:630:0:46::67#53(ns3.ja.net)
;; WHEN: Mon May 21 07:51:45 2012
;; MSG SIZE  rcvd: 269

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.jisc.ac.uk aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 213
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
jisc.ac.uk.		3600	IN	SOA	ns11.ja.net. hostmaster.ns11.ja.net. 2012051001 43200 3600 3600000 3600

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 07:51:47 2012
;; MSG SIZE  rcvd: 90

Checking other options ... failed too.

SMTP

MX 1 mx241.emailfiltering.com
Looking for AAAA on mx241.emailfiltering.com
MX 1 mx242.emailfiltering.com
Looking for AAAA on mx242.emailfiltering.com
MX 1 mx243.emailfiltering.com
Looking for AAAA on mx243.emailfiltering.com

DNS

Looking for AAAA of NS ns3.ja.net
Querying 2001:630:0:46:0:0:0:67 for SOA of jisc.ac.uk over IPv6 ... successful!
Looking for AAAA of NS ns10.ja.net
Querying 2001:630:0:42:0:0:0:53 for SOA of jisc.ac.uk over IPv6 ... successful!
Looking for AAAA of NS ns11.ja.net
Querying 2001:630:1:8:0:0:244:0 for SOA of jisc.ac.uk over IPv6 ... FAILED

NTP

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

XMPP

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

Last Updated: Sun May 20 22:24:22 2012 UTC