Check that www.umbc.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 umbc.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1456
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			170090	IN	NS	g.root-servers.net.
.			170090	IN	NS	h.root-servers.net.
.			170090	IN	NS	k.root-servers.net.
.			170090	IN	NS	b.root-servers.net.
.			170090	IN	NS	l.root-servers.net.
.			170090	IN	NS	c.root-servers.net.
.			170090	IN	NS	f.root-servers.net.
.			170090	IN	NS	e.root-servers.net.
.			170090	IN	NS	m.root-servers.net.
.			170090	IN	NS	d.root-servers.net.
.			170090	IN	NS	a.root-servers.net.
.			170090	IN	NS	i.root-servers.net.
.			170090	IN	NS	j.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	39413	IN	A	198.41.0.4
a.root-servers.net.	39413	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	516078	IN	A	192.228.79.201
c.root-servers.net.	385461	IN	A	192.33.4.12
d.root-servers.net.	343810	IN	A	128.8.10.90
d.root-servers.net.	343810	IN	AAAA	2001:500:2d::d
e.root-servers.net.	516078	IN	A	192.203.230.10
f.root-servers.net.	40284	IN	A	192.5.5.241
f.root-servers.net.	345160	IN	AAAA	2001:500:2f::f
g.root-servers.net.	40948	IN	A	192.112.36.4
h.root-servers.net.	602799	IN	A	128.63.2.53
h.root-servers.net.	602799	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	39520	IN	A	192.36.148.17
i.root-servers.net.	39520	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:03:11 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 268
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;umbc.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	g.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	d.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
g.edu-servers.net.	172800	IN	AAAA	2001:503:cc2c::2:36
l.edu-servers.net.	172800	IN	A	192.41.162.30

;; Query time: 194 msec
;; SERVER: 192.33.4.12#53(c.root-servers.net)
;; WHEN: Wed May 23 03:03:11 2012
;; MSG SIZE  rcvd: 261

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1711
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

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

;; AUTHORITY SECTION:
umbc.edu.		172800	IN	NS	umbc3.umbc.edu.
umbc.edu.		172800	IN	NS	umbc4.umbc.edu.
umbc.edu.		172800	IN	NS	umbc5.umbc.edu.

;; ADDITIONAL SECTION:
umbc3.umbc.edu.		172800	IN	A	130.85.1.3
umbc4.umbc.edu.		172800	IN	A	130.85.1.4
umbc5.umbc.edu.		172800	IN	A	130.85.1.5

;; Query time: 248 msec
;; SERVER: 192.41.162.30#53(l.edu-servers.net)
;; WHEN: Wed May 23 03:03:11 2012
;; MSG SIZE  rcvd: 134

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 660
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

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

;; ANSWER SECTION:
umbc.edu.		86400	IN	SOA	UMBC3.umbc.edu. HOSTMASTER.umbc.edu. 2009231874 10800 1800 3600000 21700

;; AUTHORITY SECTION:
umbc.edu.		86400	IN	NS	UMBC5.umbc.edu.
umbc.edu.		86400	IN	NS	UMBC3.umbc.edu.
umbc.edu.		86400	IN	NS	UMBC4.umbc.edu.

;; ADDITIONAL SECTION:
UMBC3.umbc.edu.		86400	IN	A	130.85.1.3
UMBC4.umbc.edu.		86400	IN	A	130.85.1.4
UMBC5.umbc.edu.		86400	IN	A	130.85.1.5

;; Query time: 249 msec
;; SERVER: 130.85.1.4#53(umbc4.umbc.edu)
;; WHEN: Wed May 23 03:03:11 2012
;; MSG SIZE  rcvd: 181

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.umbc.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2047
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
umbc.edu.		10800	IN	SOA	UMBC3.umbc.edu. HOSTMASTER.umbc.edu. 2009231874 10800 1800 3600000 21700

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:03:12 2012
;; MSG SIZE  rcvd: 83

Checking other options ... failed too.

SMTP

MX 10 mxin.umbc.edu
Looking for AAAA on mxin.umbc.edu

DNS

Looking for AAAA of NS UMBC3.umbc.edu
No AAAA record for UMBC3.umbc.edu
Looking for AAAA of NS UMBC5.umbc.edu
No AAAA record for UMBC5.umbc.edu
Looking for AAAA of NS umbc4.umbc.edu
No AAAA record for umbc4.umbc.edu

NTP

Looking for an A record for ntp.umbc.edu
Looking for an A record for clock.umbc.edu
Looking for an A record for time.umbc.edu
Looking for an A record for chime.umbc.edu

XMPP

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

Last Updated: Tue May 22 17:33:16 2012 UTC