Check that www.syr.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 syr.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 941
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			173637	IN	NS	b.root-servers.net.
.			173637	IN	NS	k.root-servers.net.
.			173637	IN	NS	e.root-servers.net.
.			173637	IN	NS	f.root-servers.net.
.			173637	IN	NS	l.root-servers.net.
.			173637	IN	NS	c.root-servers.net.
.			173637	IN	NS	h.root-servers.net.
.			173637	IN	NS	j.root-servers.net.
.			173637	IN	NS	g.root-servers.net.
.			173637	IN	NS	d.root-servers.net.
.			173637	IN	NS	m.root-servers.net.
.			173637	IN	NS	a.root-servers.net.
.			173637	IN	NS	i.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	42960	IN	A	198.41.0.4
a.root-servers.net.	42960	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	1224	IN	A	192.228.79.201
c.root-servers.net.	389008	IN	A	192.33.4.12
d.root-servers.net.	347357	IN	A	128.8.10.90
d.root-servers.net.	347357	IN	AAAA	2001:500:2d::d
e.root-servers.net.	603349	IN	A	192.203.230.10
f.root-servers.net.	43831	IN	A	192.5.5.241
f.root-servers.net.	348707	IN	AAAA	2001:500:2f::f
g.root-servers.net.	44495	IN	A	192.112.36.4
h.root-servers.net.	1533	IN	A	128.63.2.53
h.root-servers.net.	1533	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	43067	IN	A	192.36.148.17
i.root-servers.net.	43067	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:04:04 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1766
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	g.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: 128 msec
;; SERVER: 192.112.36.4#53(g.root-servers.net)
;; WHEN: Wed May 23 02:04:04 2012
;; MSG SIZE  rcvd: 260

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1908
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
syr.edu.		172800	IN	NS	icarus.syr.edu.
syr.edu.		172800	IN	NS	lurch.cns.syr.edu.
syr.edu.		172800	IN	NS	ns1.twtelecom.net.
syr.edu.		172800	IN	NS	ns2.twtelecom.net.
syr.edu.		172800	IN	NS	suec1.syr.edu.

;; ADDITIONAL SECTION:
icarus.syr.edu.		172800	IN	A	128.230.1.49
lurch.cns.syr.edu.	172800	IN	A	128.230.12.5
ns1.twtelecom.net.	172800	IN	AAAA	2001:4870:6082:3::5
ns1.twtelecom.net.	172800	IN	A	216.136.95.2
ns2.twtelecom.net.	172800	IN	AAAA	2001:4870:8000:3::5
ns2.twtelecom.net.	172800	IN	A	64.132.94.250
suec1.syr.edu.		172800	IN	A	128.230.152.29

;; Query time: 256 msec
;; SERVER: 192.26.92.30#53(c.edu-servers.net)
;; WHEN: Wed May 23 02:04:05 2012
;; MSG SIZE  rcvd: 275

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 412
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

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

;; ANSWER SECTION:
syr.edu.		3600	IN	SOA	lurch.cns.syr.edu. nisc.syr.edu. 2012052226 3600 1200 604800 3600

;; AUTHORITY SECTION:
syr.edu.		3600	IN	NS	icarus.syr.edu.
syr.edu.		3600	IN	NS	suec1.syr.edu.
syr.edu.		3600	IN	NS	lurch.cns.syr.edu.

;; ADDITIONAL SECTION:
lurch.cns.syr.edu.	3600	IN	A	128.230.12.5
suec1.syr.edu.		3600	IN	A	128.230.152.29
icarus.syr.edu.		3600	IN	A	128.230.1.49

;; Query time: 721 msec
;; SERVER: 128.230.152.29#53(suec1.syr.edu)
;; WHEN: Wed May 23 02:04:06 2012
;; MSG SIZE  rcvd: 179

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.syr.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1589
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.syr.edu.		3600	IN	CNAME	its-www.syr.edu.

;; AUTHORITY SECTION:
syr.edu.		3600	IN	SOA	lurch.cns.syr.edu. nisc.syr.edu. 2012052226 3600 1200 604800 3600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:04:07 2012
;; MSG SIZE  rcvd: 102

Checking other options ... succeeded as ipv6.syr.edu.
Sending...

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

Reading ...

HTTP/1.1 200 OK
Date: Tue, 22 May 2012 16:34:09 GMT
Server: Apache/2.2.15 (Mandriva Linux/PREFORK-3.2mdv2010.2)
X-Powered-By: PHP/5.3.8
Content-Type: text/html

Accessed / [2620:4e:0:0:0:0:0:70] Response: HTTP/1.1 200 OK

SMTP

MX 0 mx3.syr.edu
Looking for AAAA on mx3.syr.edu
MX 0 mx1.syr.edu
Looking for AAAA on mx1.syr.edu
MX 0 mx2.syr.edu
Looking for AAAA on mx2.syr.edu

DNS

Looking for AAAA of NS icarus.syr.edu
No AAAA record for icarus.syr.edu
Looking for AAAA of NS lurch.cns.syr.edu
No AAAA record for lurch.cns.syr.edu
Looking for AAAA of NS suec1.syr.edu
No AAAA record for suec1.syr.edu

NTP

Looking for an A record for ntp.syr.edu
Looking for an A record for clock.syr.edu
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for clock.syr.edu
Cannot find a AAAA record for clock.ipv6.syr.edu

XMPP

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

Last Updated: Tue May 22 16:34:12 2012 UTC