Check that www.cuny.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 cuny.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1815
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; AUTHORITY SECTION:
.			3600000	IN	NS	C.ROOT-SERVERS.NET.
.			3600000	IN	NS	G.ROOT-SERVERS.NET.
.			3600000	IN	NS	L.ROOT-SERVERS.NET.
.			3600000	IN	NS	E.ROOT-SERVERS.NET.
.			3600000	IN	NS	F.ROOT-SERVERS.NET.
.			3600000	IN	NS	M.ROOT-SERVERS.NET.
.			3600000	IN	NS	H.ROOT-SERVERS.NET.
.			3600000	IN	NS	J.ROOT-SERVERS.NET.
.			3600000	IN	NS	B.ROOT-SERVERS.NET.
.			3600000	IN	NS	A.ROOT-SERVERS.NET.
.			3600000	IN	NS	I.ROOT-SERVERS.NET.
.			3600000	IN	NS	D.ROOT-SERVERS.NET.
.			3600000	IN	NS	K.ROOT-SERVERS.NET.

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	474380	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	474380	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	432644	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	175038	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	171592	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	171592	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	429964	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	475251	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	170987	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	475915	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	432953	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	432953	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	474487	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	474487	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 02:13:44 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1133
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	f.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: 25 msec
;; SERVER: 2001:500:3::42#53(L.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 02:13:44 2012
;; MSG SIZE  rcvd: 261

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 648
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

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

;; AUTHORITY SECTION:
cuny.edu.		172800	IN	NS	acme.ucc.cuny.edu.
cuny.edu.		172800	IN	NS	saell.cc.columbia.edu.
cuny.edu.		172800	IN	NS	lavinia.cis.cuny.edu.
cuny.edu.		172800	IN	NS	ns10.customer.level3.net.
cuny.edu.		172800	IN	NS	ns15.customer.level3.net.

;; ADDITIONAL SECTION:
acme.ucc.cuny.edu.	172800	IN	A	128.228.1.10
saell.cc.columbia.edu.	172800	IN	A	128.59.59.218
lavinia.cis.cuny.edu.	172800	IN	A	128.228.5.64
ns10.customer.level3.net. 172800 IN	A	209.244.4.149
ns15.customer.level3.net. 172800 IN	A	209.244.4.244

;; Query time: 179 msec
;; SERVER: 192.35.51.30#53(f.edu-servers.net)
;; WHEN: Fri May 18 02:13:45 2012
;; MSG SIZE  rcvd: 244

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1699
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 2

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

;; ANSWER SECTION:
cuny.edu.		3600	IN	SOA	acme.ucc.cuny.edu. hostmaster.acme.ucc.cuny.edu. 2009013114 10800 3600 2419200 3600

;; AUTHORITY SECTION:
cuny.edu.		3600	IN	NS	acme.ucc.cuny.edu.
cuny.edu.		3600	IN	NS	ns10.customer.level3.net.
cuny.edu.		3600	IN	NS	lavinia.cis.cuny.edu.
cuny.edu.		3600	IN	NS	saell.cc.columbia.edu.
cuny.edu.		3600	IN	NS	ns15.customer.level3.net.

;; ADDITIONAL SECTION:
lavinia.cis.cuny.edu.	3600	IN	A	128.228.5.64
acme.ucc.cuny.edu.	3600	IN	A	128.228.1.10

;; Query time: 253 msec
;; SERVER: 128.228.5.64#53(lavinia.cis.cuny.edu)
;; WHEN: Fri May 18 02:13:46 2012
;; MSG SIZE  rcvd: 243

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.cuny.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1539
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.cuny.edu.		3599	IN	CNAME	web.cuny.edu.

;; AUTHORITY SECTION:
cuny.edu.		3600	IN	SOA	acme.ucc.cuny.edu. hostmaster.acme.ucc.cuny.edu. 2009013114 10800 3600 2419200 3600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 02:13:47 2012
;; MSG SIZE  rcvd: 104

Checking other options ... failed too.

SMTP

MX 10 ppsa3.cuny.edu
Looking for AAAA on ppsa3.cuny.edu
MX 10 ppsa2.cuny.edu
Looking for AAAA on ppsa2.cuny.edu
MX 10 ppsa1.cuny.edu
Looking for AAAA on ppsa1.cuny.edu

DNS

Looking for AAAA of NS ns15.customer.level3.net
No AAAA record for ns15.customer.level3.net
Looking for AAAA of NS saell.cc.columbia.edu
No AAAA record for saell.cc.columbia.edu
Looking for AAAA of NS acme.ucc.cuny.edu
No AAAA record for acme.ucc.cuny.edu
Looking for AAAA of NS ns10.customer.level3.net
No AAAA record for ns10.customer.level3.net
Looking for AAAA of NS lavinia.cis.cuny.edu
No AAAA record for lavinia.cis.cuny.edu

NTP

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

XMPP

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

Last Updated: Thu May 17 16:43:51 2012 UTC