Check that www.iastate.edu 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 iastate.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1621
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			263080	IN	NS	c.root-servers.net.
.			263080	IN	NS	h.root-servers.net.
.			263080	IN	NS	f.root-servers.net.
.			263080	IN	NS	m.root-servers.net.
.			263080	IN	NS	d.root-servers.net.
.			263080	IN	NS	j.root-servers.net.
.			263080	IN	NS	g.root-servers.net.
.			263080	IN	NS	i.root-servers.net.
.			263080	IN	NS	a.root-servers.net.
.			263080	IN	NS	k.root-servers.net.
.			263080	IN	NS	l.root-servers.net.
.			263080	IN	NS	b.root-servers.net.
.			263080	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	132403	IN	A	198.41.0.4
a.root-servers.net.	132403	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	90667	IN	A	192.228.79.201
c.root-servers.net.	478451	IN	A	192.33.4.12
d.root-servers.net.	436800	IN	A	128.8.10.90
d.root-servers.net.	436800	IN	AAAA	2001:500:2d::d
e.root-servers.net.	87987	IN	A	192.203.230.10
f.root-servers.net.	133274	IN	A	192.5.5.241
f.root-servers.net.	438150	IN	AAAA	2001:500:2f::f
g.root-servers.net.	133938	IN	A	192.112.36.4
h.root-servers.net.	90976	IN	A	128.63.2.53
h.root-servers.net.	90976	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	132510	IN	A	192.36.148.17
i.root-servers.net.	132510	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 01:13:21 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 896
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;iastate.edu.			IN	SOA

;; AUTHORITY SECTION:
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.

;; ADDITIONAL SECTION:
a.edu-servers.net.	172800	IN	A	192.5.6.30
c.edu-servers.net.	172800	IN	A	192.26.92.30
d.edu-servers.net.	172800	IN	A	192.31.80.30
f.edu-servers.net.	172800	IN	A	192.35.51.30
g.edu-servers.net.	172800	IN	A	192.42.93.30
l.edu-servers.net.	172800	IN	A	192.41.162.30
g.edu-servers.net.	172800	IN	AAAA	2001:503:cc2c::2:36

;; Query time: 180 msec
;; SERVER: 192.228.79.201#53(b.root-servers.net)
;; WHEN: Tue May 22 01:13:21 2012
;; MSG SIZE  rcvd: 264

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1448
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 6

;; QUESTION SECTION:
;iastate.edu.			IN	SOA

;; AUTHORITY SECTION:
iastate.edu.		172800	IN	NS	dns-1.iastate.edu.
iastate.edu.		172800	IN	NS	dns-2.iastate.edu.
iastate.edu.		172800	IN	NS	isu.dns.northernlights.gigapop.net.

;; ADDITIONAL SECTION:
dns-1.iastate.edu.	172800	IN	A	129.186.6.249
dns-1.iastate.edu.	172800	IN	AAAA	2610:130:101:100::249
dns-2.iastate.edu.	172800	IN	A	129.186.88.249
dns-2.iastate.edu.	172800	IN	AAAA	2610:130:102:e01::249
isu.dns.northernlights.gigapop.net. 172800 IN A	146.57.253.249
isu.dns.northernlights.gigapop.net. 172800 IN AAAA 2001:468:1900:ffff::1

;; Query time: 236 msec
;; SERVER: 192.31.80.30#53(d.edu-servers.net)
;; WHEN: Tue May 22 01:13:22 2012
;; MSG SIZE  rcvd: 249

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 620
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 4

;; QUESTION SECTION:
;iastate.edu.			IN	SOA

;; ANSWER SECTION:
iastate.edu.		360000	IN	SOA	dns-1.iastate.edu. hostmaster.iastate.edu. 476127189 3600 900 604800 360000

;; AUTHORITY SECTION:
iastate.edu.		360000	IN	NS	dns-2.iastate.edu.
iastate.edu.		360000	IN	NS	isu.dns.northernlights.gigapop.net.
iastate.edu.		360000	IN	NS	dns-1.iastate.edu.

;; ADDITIONAL SECTION:
dns-1.iastate.edu.	360000	IN	A	129.186.6.249
dns-1.iastate.edu.	360000	IN	AAAA	2610:130:101:100::249
dns-2.iastate.edu.	360000	IN	A	129.186.88.249
dns-2.iastate.edu.	360000	IN	AAAA	2610:130:102:e01::249

;; Query time: 229 msec
;; SERVER: 2001:468:1900:ffff::1#53(isu.dns.northernlights.gigapop.net)
;; WHEN: Tue May 22 01:13:22 2012
;; MSG SIZE  rcvd: 252

HTTP

Looking for CNAME of www.iastate.edu
Checking if there is a AAAA for www.iastate.edu ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.iastate.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1216
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.iastate.edu.		IN	AAAA

;; ANSWER SECTION:
www.iastate.edu.	273564	IN	CNAME	webslinger-ur.its.iastate.edu.

;; AUTHORITY SECTION:
its.iastate.edu.	10800	IN	SOA	dns-1.iastate.edu. hostmaster.iastate.edu. 476441966 36000 3600 604800 360000

;; Query time: 11 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 01:13:23 2012
;; MSG SIZE  rcvd: 118

Checking other options ... succeeded as www.ipv6.iastate.edu.
Sending...

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

Reading ...

HTTP/1.1 200 OK
Date: Mon, 21 May 2012 15:43:23 GMT
Server: Apache
X-Powered-By: PHP/5.3.13
Cache-Control: max-age=0, no-store
Vary: Accept-Encoding
Content-Type: text/html

Accessed / [2610:130:101:102:0:0:0:f0] Response: HTTP/1.1 200 OK

SMTP

MX 10 mailin.iastate.edu
Looking for AAAA on mailin.iastate.edu

DNS

Looking for AAAA of NS dns-2.iastate.edu
Querying 2610:130:102:e01:0:0:0:249 for SOA of iastate.edu over IPv6 ... successful!
Looking for AAAA of NS dns-1.iastate.edu
Querying 2610:130:101:100:0:0:0:249 for SOA of iastate.edu over IPv6 ... successful!
Looking for AAAA of NS isu.dns.northernlights.gigapop.net
Querying 2001:468:1900:ffff:0:0:0:1 for SOA of iastate.edu over IPv6 ... successful!

NTP

Looking for an A record for ntp.iastate.edu
Found an A or AAAA record. Now looking for a AAAA.
ntpdate -sq ntp.iastate.edu (2610:130:101:100:0:0:0:244)
server 2610:130:101:100::244, stratum 2, offset -0.005414, delay 0.25197

XMPP

Looking for a SRV record for _xmpp-client._tcp.iastate.edu
Looking for a SRV record for _xmpp-server._tcp.iastate.edu

Last Updated: Mon May 21 15:43:26 2012 UTC