Check that www.umd.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 umd.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1909
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			170103	IN	NS	b.root-servers.net.
.			170103	IN	NS	c.root-servers.net.
.			170103	IN	NS	d.root-servers.net.
.			170103	IN	NS	k.root-servers.net.
.			170103	IN	NS	g.root-servers.net.
.			170103	IN	NS	m.root-servers.net.
.			170103	IN	NS	j.root-servers.net.
.			170103	IN	NS	l.root-servers.net.
.			170103	IN	NS	h.root-servers.net.
.			170103	IN	NS	a.root-servers.net.
.			170103	IN	NS	f.root-servers.net.
.			170103	IN	NS	i.root-servers.net.
.			170103	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	39426	IN	A	198.41.0.4
a.root-servers.net.	39426	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	516091	IN	A	192.228.79.201
c.root-servers.net.	385474	IN	A	192.33.4.12
d.root-servers.net.	343823	IN	A	128.8.10.90
d.root-servers.net.	343823	IN	AAAA	2001:500:2d::d
e.root-servers.net.	516091	IN	A	192.203.230.10
f.root-servers.net.	40297	IN	A	192.5.5.241
f.root-servers.net.	345173	IN	AAAA	2001:500:2f::f
g.root-servers.net.	40961	IN	A	192.112.36.4
h.root-servers.net.	602812	IN	A	128.63.2.53
h.root-servers.net.	602812	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	39533	IN	A	192.36.148.17
i.root-servers.net.	39533	IN	AAAA	2001:7fe::53

;; Query time: 12 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:02:58 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 243
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;umd.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: 24 msec
;; SERVER: 2001:500:3::42#53(l.root-servers.net)
;; WHEN: Wed May 23 03:02:58 2012
;; MSG SIZE  rcvd: 260

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1101
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

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

;; AUTHORITY SECTION:
umd.edu.		172800	IN	NS	ns1.umd.edu.
umd.edu.		172800	IN	NS	noc.umd.edu.
umd.edu.		172800	IN	NS	ns2.umd.edu.

;; ADDITIONAL SECTION:
ns1.umd.edu.		172800	IN	A	128.8.74.2
noc.umd.edu.		172800	IN	A	128.8.5.2
ns2.umd.edu.		172800	IN	A	128.8.76.2

;; Query time: 133 msec
;; SERVER: 2001:503:cc2c::2:36#53(g.edu-servers.net)
;; WHEN: Wed May 23 03:02:58 2012
;; MSG SIZE  rcvd: 127

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1616
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

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

;; ANSWER SECTION:
umd.edu.		72000	IN	SOA	noc.umd.edu. dnsadmin.noc.umd.edu. 2012142562 600 300 720000 43200

;; AUTHORITY SECTION:
umd.edu.		60000	IN	NS	ns2.umd.edu.
umd.edu.		60000	IN	NS	ns1.umd.edu.
umd.edu.		60000	IN	NS	noc.umd.edu.

;; ADDITIONAL SECTION:
noc.umd.edu.		60000	IN	A	128.8.5.2
ns1.umd.edu.		60000	IN	A	128.8.74.2
ns2.umd.edu.		60000	IN	A	128.8.76.2

;; Query time: 248 msec
;; SERVER: 128.8.5.2#53(noc.umd.edu)
;; WHEN: Wed May 23 03:02:58 2012
;; MSG SIZE  rcvd: 172

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.umd.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 452
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
umd.edu.		10800	IN	SOA	noc.umd.edu. dnsadmin.noc.umd.edu. 2012142562 600 300 720000 43200

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 03:02:59 2012
;; MSG SIZE  rcvd: 78

Checking other options ... failed too.

SMTP

MX 20 sdc-mx1.umd.edu
Looking for AAAA on sdc-mx1.umd.edu
MX 20 sdc-mx2.umd.edu
Looking for AAAA on sdc-mx2.umd.edu
MX 20 pdc-mx1.umd.edu
Looking for AAAA on pdc-mx1.umd.edu
MX 20 pdc-mx2.umd.edu
Looking for AAAA on pdc-mx2.umd.edu

DNS

Looking for AAAA of NS ns1.umd.edu
No AAAA record for ns1.umd.edu
Looking for AAAA of NS noc.umd.edu
No AAAA record for noc.umd.edu
Looking for AAAA of NS ns2.umd.edu
No AAAA record for ns2.umd.edu

NTP

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

XMPP

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

Last Updated: Tue May 22 17:33:04 2012 UTC