Check that www.american.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 american.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 675
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

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

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	480598	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	480598	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	438862	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	181256	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	177810	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	177810	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	436182	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	481469	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	177205	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	482133	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	439171	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	439171	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	480705	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	480705	IN	AAAA	2001:7fe::53

;; Query time: 38 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 00:30:06 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1697
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;american.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: 247 msec
;; SERVER: 2001:500:1::803f:235#53(H.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 00:30:06 2012
;; MSG SIZE  rcvd: 268

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 342
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 4

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

;; AUTHORITY SECTION:
american.edu.		172800	IN	NS	ns1.american.edu.
american.edu.		172800	IN	NS	ns2.american.edu.
american.edu.		172800	IN	NS	ns3.american.edu.
american.edu.		172800	IN	NS	ns4.american.edu.

;; ADDITIONAL SECTION:
ns1.american.edu.	172800	IN	A	147.9.1.9
ns2.american.edu.	172800	IN	A	147.9.1.4
ns3.american.edu.	172800	IN	A	147.9.1.22
ns4.american.edu.	172800	IN	A	147.9.3.110

;; Query time: 247 msec
;; SERVER: 192.5.6.30#53(a.edu-servers.net)
;; WHEN: Fri May 18 00:30:06 2012
;; MSG SIZE  rcvd: 166

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1213
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4

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

;; ANSWER SECTION:
american.edu.		43200	IN	SOA	ns0.american.edu. dns.american.edu. 2001217418 10800 3600 1209600 43200

;; AUTHORITY SECTION:
american.edu.		86400	IN	NS	ns2.american.edu.
american.edu.		86400	IN	NS	ns3.american.edu.
american.edu.		86400	IN	NS	ns4.american.edu.
american.edu.		86400	IN	NS	ns1.american.edu.

;; ADDITIONAL SECTION:
ns1.american.edu.	86400	IN	A	147.9.1.9
ns2.american.edu.	86400	IN	A	147.9.1.4
ns3.american.edu.	86400	IN	A	147.9.1.22
ns4.american.edu.	86400	IN	A	147.9.3.110

;; Query time: 252 msec
;; SERVER: 147.9.3.110#53(ns4.american.edu)
;; WHEN: Fri May 18 00:30:07 2012
;; MSG SIZE  rcvd: 210

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.american.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 593
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
american.edu.		10800	IN	SOA	ns0.american.edu. dns.american.edu. 2001217418 10800 3600 1209600 43200

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 00:30:09 2012
;; MSG SIZE  rcvd: 78

Checking other options ... failed too.

SMTP

MX 10 pmxapp2.american.edu
Looking for AAAA on pmxapp2.american.edu
MX 10 pmxapp1.american.edu
Looking for AAAA on pmxapp1.american.edu
MX 10 pmxapp9.american.edu
Looking for AAAA on pmxapp9.american.edu

DNS

Looking for AAAA of NS ns2.american.edu
No AAAA record for ns2.american.edu
Looking for AAAA of NS ns4.american.edu
No AAAA record for ns4.american.edu
Looking for AAAA of NS ns1.american.edu
No AAAA record for ns1.american.edu
Looking for AAAA of NS ns3.american.edu
No AAAA record for ns3.american.edu

NTP

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

XMPP

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

Last Updated: Thu May 17 15:00:13 2012 UTC