Check that www.udel.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 udel.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1608
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			170604	IN	NS	a.root-servers.net.
.			170604	IN	NS	j.root-servers.net.
.			170604	IN	NS	e.root-servers.net.
.			170604	IN	NS	f.root-servers.net.
.			170604	IN	NS	k.root-servers.net.
.			170604	IN	NS	h.root-servers.net.
.			170604	IN	NS	g.root-servers.net.
.			170604	IN	NS	d.root-servers.net.
.			170604	IN	NS	b.root-servers.net.
.			170604	IN	NS	c.root-servers.net.
.			170604	IN	NS	m.root-servers.net.
.			170604	IN	NS	l.root-servers.net.
.			170604	IN	NS	i.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	39927	IN	A	198.41.0.4
a.root-servers.net.	39927	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	516592	IN	A	192.228.79.201
c.root-servers.net.	385975	IN	A	192.33.4.12
d.root-servers.net.	344324	IN	A	128.8.10.90
d.root-servers.net.	344324	IN	AAAA	2001:500:2d::d
e.root-servers.net.	516592	IN	A	192.203.230.10
f.root-servers.net.	40798	IN	A	192.5.5.241
f.root-servers.net.	345674	IN	AAAA	2001:500:2f::f
g.root-servers.net.	41462	IN	A	192.112.36.4
h.root-servers.net.	603313	IN	A	128.63.2.53
h.root-servers.net.	603313	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	40034	IN	A	192.36.148.17
i.root-servers.net.	40034	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:54:37 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 229
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.
edu.			172800	IN	NS	a.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: 43 msec
;; SERVER: 2001:500:2f::f#53(f.root-servers.net)
;; WHEN: Wed May 23 02:54:37 2012
;; MSG SIZE  rcvd: 261

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1059
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 6

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

;; AUTHORITY SECTION:
udel.edu.		172800	IN	NS	noc3.dccs.upenn.edu.
udel.edu.		172800	IN	NS	noc2.dccs.upenn.edu.
udel.edu.		172800	IN	NS	dns1.udel.edu.
udel.edu.		172800	IN	NS	dns2.udel.edu.

;; ADDITIONAL SECTION:
noc3.dccs.upenn.edu.	172800	IN	A	128.91.251.158
noc3.dccs.upenn.edu.	172800	IN	AAAA	2607:f470:1003::3:3
noc2.dccs.upenn.edu.	172800	IN	A	128.91.254.1
noc2.dccs.upenn.edu.	172800	IN	AAAA	2607:f470:1002::2:2
dns1.udel.edu.		172800	IN	A	128.175.13.16
dns2.udel.edu.		172800	IN	A	128.175.13.17

;; Query time: 247 msec
;; SERVER: 192.5.6.30#53(a.edu-servers.net)
;; WHEN: Wed May 23 02:54:37 2012
;; MSG SIZE  rcvd: 233

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1421
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 6

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

;; ANSWER SECTION:
udel.edu.		86400	IN	SOA	dns1.udel.edu. hostmaster.udel.edu. 89048 86400 14400 604800 3600

;; AUTHORITY SECTION:
udel.edu.		86400	IN	NS	dns2.udel.edu.
udel.edu.		86400	IN	NS	noc3.dccs.upenn.edu.
udel.edu.		86400	IN	NS	noc2.dccs.upenn.edu.
udel.edu.		86400	IN	NS	dns1.udel.edu.

;; ADDITIONAL SECTION:
dns1.udel.edu.		86400	IN	A	128.175.13.16
dns2.udel.edu.		86400	IN	A	128.175.13.17
noc2.dccs.upenn.edu.	86400	IN	A	128.91.254.1
noc2.dccs.upenn.edu.	86400	IN	AAAA	2607:f470:1002::2:2
noc3.dccs.upenn.edu.	86400	IN	A	128.91.251.158
noc3.dccs.upenn.edu.	86400	IN	AAAA	2607:f470:1003::3:3

;; Query time: 263 msec
;; SERVER: 128.175.13.17#53(dns2.udel.edu)
;; WHEN: Wed May 23 02:54:38 2012
;; MSG SIZE  rcvd: 280

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.udel.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 352
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
udel.edu.		3600	IN	SOA	dns1.udel.edu. hostmaster.udel.edu. 89048 86400 14400 604800 3600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:54:38 2012
;; MSG SIZE  rcvd: 82

Checking other options ... failed too.

SMTP

MX 10 mail.udel.edu
Looking for AAAA on mail.udel.edu

DNS

Looking for AAAA of NS dns1.udel.edu
No AAAA record for dns1.udel.edu
Looking for AAAA of NS dns2.udel.edu
No AAAA record for dns2.udel.edu
Looking for AAAA of NS noc3.dccs.upenn.edu
Querying 2607:f470:1003:0:0:0:3:3 for SOA of udel.edu over IPv6 ... successful!
Looking for AAAA of NS noc2.dccs.upenn.edu
Querying 2607:f470:1002:0:0:0:2:2 for SOA of udel.edu over IPv6 ... successful!

NTP

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

XMPP

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

Last Updated: Tue May 22 17:24:42 2012 UTC