Check that www.shu.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 shu.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 973
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			174224	IN	NS	i.root-servers.net.
.			174224	IN	NS	f.root-servers.net.
.			174224	IN	NS	k.root-servers.net.
.			174224	IN	NS	a.root-servers.net.
.			174224	IN	NS	g.root-servers.net.
.			174224	IN	NS	h.root-servers.net.
.			174224	IN	NS	m.root-servers.net.
.			174224	IN	NS	b.root-servers.net.
.			174224	IN	NS	c.root-servers.net.
.			174224	IN	NS	d.root-servers.net.
.			174224	IN	NS	l.root-servers.net.
.			174224	IN	NS	e.root-servers.net.
.			174224	IN	NS	j.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	43547	IN	A	198.41.0.4
a.root-servers.net.	43547	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	1811	IN	A	192.228.79.201
c.root-servers.net.	389595	IN	A	192.33.4.12
d.root-servers.net.	347944	IN	A	128.8.10.90
d.root-servers.net.	347944	IN	AAAA	2001:500:2d::d
e.root-servers.net.	603936	IN	A	192.203.230.10
f.root-servers.net.	44418	IN	A	192.5.5.241
f.root-servers.net.	349294	IN	AAAA	2001:500:2f::f
g.root-servers.net.	45082	IN	A	192.112.36.4
h.root-servers.net.	2120	IN	A	128.63.2.53
h.root-servers.net.	2120	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	43654	IN	A	192.36.148.17
i.root-servers.net.	43654	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 01:54:17 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 781
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.
edu.			172800	IN	NS	d.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: 135 msec
;; SERVER: 2001:503:c27::2:30#53(j.root-servers.net)
;; WHEN: Wed May 23 01:54:17 2012
;; MSG SIZE  rcvd: 260

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1249
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
shu.edu.		172800	IN	NS	ext-ns1.shu.edu.
shu.edu.		172800	IN	NS	ext-ns2.shu.edu.

;; ADDITIONAL SECTION:
ext-ns1.shu.edu.	172800	IN	A	149.150.254.22
ext-ns2.shu.edu.	172800	IN	A	149.150.254.23

;; Query time: 132 msec
;; SERVER: 2001:503:cc2c::2:36#53(g.edu-servers.net)
;; WHEN: Wed May 23 01:54:17 2012
;; MSG SIZE  rcvd: 101

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 660
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
shu.edu.		28800	IN	SOA	ch-gridmtr-a1.shu.edu. please_set_email.absolutely.nowhere. 237218478 10800 3600 2592000 900

;; Query time: 246 msec
;; SERVER: 149.150.254.22#53(ext-ns1.shu.edu)
;; WHEN: Wed May 23 01:54:18 2012
;; MSG SIZE  rcvd: 110

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.shu.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 770
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
shu.edu.		900	IN	SOA	ch-gridmtr-a1.shu.edu. please_set_email.absolutely.nowhere. 237218478 10800 3600 2592000 900

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 01:54:19 2012
;; MSG SIZE  rcvd: 114

Checking other options ... failed too.

SMTP

MX 10 egate2.shu.edu
Looking for AAAA on egate2.shu.edu
MX 10 egate1.shu.edu
Looking for AAAA on egate1.shu.edu

DNS

Looking for AAAA of NS ch-gridmember-d1-1.shu.edu
No AAAA record for ch-gridmember-d1-1.shu.edu
Looking for AAAA of NS ph-gridmember-d2-1.shu.edu
No AAAA record for ph-gridmember-d2-1.shu.edu

NTP

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

XMPP

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

Last Updated: Tue May 22 16:24:24 2012 UTC