Check that www.northropgrumman.com 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 northropgrumman.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 460
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			330843	IN	NS	c.root-servers.net.
.			330843	IN	NS	a.root-servers.net.
.			330843	IN	NS	h.root-servers.net.
.			330843	IN	NS	f.root-servers.net.
.			330843	IN	NS	l.root-servers.net.
.			330843	IN	NS	m.root-servers.net.
.			330843	IN	NS	k.root-servers.net.
.			330843	IN	NS	g.root-servers.net.
.			330843	IN	NS	e.root-servers.net.
.			330843	IN	NS	b.root-servers.net.
.			330843	IN	NS	d.root-servers.net.
.			330843	IN	NS	j.root-servers.net.
.			330843	IN	NS	i.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	200166	IN	A	198.41.0.4
a.root-servers.net.	200166	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	158430	IN	A	192.228.79.201
c.root-servers.net.	546214	IN	A	192.33.4.12
d.root-servers.net.	504563	IN	A	128.8.10.90
d.root-servers.net.	504563	IN	AAAA	2001:500:2d::d
e.root-servers.net.	155750	IN	A	192.203.230.10
f.root-servers.net.	201037	IN	A	192.5.5.241
f.root-servers.net.	505913	IN	AAAA	2001:500:2f::f
g.root-servers.net.	201701	IN	A	192.112.36.4
h.root-servers.net.	158739	IN	A	128.63.2.53
h.root-servers.net.	158739	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	200273	IN	A	192.36.148.17
i.root-servers.net.	200273	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 06:23:58 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1296
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;northropgrumman.com.		IN	SOA

;; AUTHORITY SECTION:
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.

;; ADDITIONAL SECTION:
a.gtld-servers.net.	172800	IN	A	192.5.6.30
b.gtld-servers.net.	172800	IN	A	192.33.14.30
c.gtld-servers.net.	172800	IN	A	192.26.92.30
d.gtld-servers.net.	172800	IN	A	192.31.80.30
e.gtld-servers.net.	172800	IN	A	192.12.94.30
f.gtld-servers.net.	172800	IN	A	192.35.51.30
g.gtld-servers.net.	172800	IN	A	192.42.93.30
h.gtld-servers.net.	172800	IN	A	192.54.112.30
i.gtld-servers.net.	172800	IN	A	192.43.172.30
j.gtld-servers.net.	172800	IN	A	192.48.79.30
k.gtld-servers.net.	172800	IN	A	192.52.178.30
l.gtld-servers.net.	172800	IN	A	192.41.162.30
m.gtld-servers.net.	172800	IN	A	192.55.83.30
a.gtld-servers.net.	172800	IN	AAAA	2001:503:a83e::2:30

;; Query time: 38 msec
;; SERVER: 2001:7fd::1#53(k.root-servers.net)
;; WHEN: Mon May 21 06:23:58 2012
;; MSG SIZE  rcvd: 497

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1230
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 4

;; QUESTION SECTION:
;northropgrumman.com.		IN	SOA

;; AUTHORITY SECTION:
northropgrumman.com.	172800	IN	NS	po.northgrum.com.
northropgrumman.com.	172800	IN	NS	sundown.northgrum.com.
northropgrumman.com.	172800	IN	NS	sunrise.northgrum.com.
northropgrumman.com.	172800	IN	NS	dnsdal.northgrum.com.

;; ADDITIONAL SECTION:
po.northgrum.com.	172800	IN	A	155.104.240.11
sundown.northgrum.com.	172800	IN	A	157.127.124.203
sunrise.northgrum.com.	172800	IN	A	155.104.240.10
dnsdal.northgrum.com.	172800	IN	A	134.223.120.74

;; Query time: 330 msec
;; SERVER: 192.12.94.30#53(e.gtld-servers.net)
;; WHEN: Mon May 21 06:23:58 2012
;; MSG SIZE  rcvd: 193

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1493
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 6, ADDITIONAL: 6

;; QUESTION SECTION:
;northropgrumman.com.		IN	SOA

;; ANSWER SECTION:
northropgrumman.com.	3600	IN	SOA	puff.northgrum.com. ng-dns-admin.ngc.com. 2012021708 1800 600 604800 3600

;; AUTHORITY SECTION:
northropgrumman.com.	3600	IN	NS	dnsdal.northgrum.com.
northropgrumman.com.	3600	IN	NS	puff.northgrum.com.
northropgrumman.com.	3600	IN	NS	ngdnsw.northgrum.com.
northropgrumman.com.	3600	IN	NS	po.northgrum.com.
northropgrumman.com.	3600	IN	NS	sundown.northgrum.com.
northropgrumman.com.	3600	IN	NS	sunrise.northgrum.com.

;; ADDITIONAL SECTION:
puff.northgrum.com.	3600	IN	A	157.127.103.139
ngdnsw.northgrum.com.	3600	IN	A	157.127.103.20
sundown.northgrum.com.	3600	IN	A	157.127.124.203
dnsdal.northgrum.com.	3600	IN	A	134.223.120.74
po.northgrum.com.	3600	IN	A	155.104.240.11
sunrise.northgrum.com.	3600	IN	A	155.104.240.10

;; Query time: 714 msec
;; SERVER: 155.104.240.11#53(po.northgrum.com)
;; WHEN: Mon May 21 06:24:00 2012
;; MSG SIZE  rcvd: 318

HTTP

Looking for CNAME of www.northropgrumman.com
Checking if there is a AAAA for www.northropgrumman.com ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.northropgrumman.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2031
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.northropgrumman.com.	IN	AAAA

;; Query time: 184 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 06:24:02 2012
;; MSG SIZE  rcvd: 41

Checking other options ... failed too.

SMTP

DNS

Looking for AAAA of NS ngdnsw.northgrum.com
No AAAA record for ngdnsw.northgrum.com
Looking for AAAA of NS po.northgrum.com
No AAAA record for po.northgrum.com
Looking for AAAA of NS sundown.northgrum.com
No AAAA record for sundown.northgrum.com
Looking for AAAA of NS dnsdal.northgrum.com
No AAAA record for dnsdal.northgrum.com
Looking for AAAA of NS sunrise.northgrum.com
No AAAA record for sunrise.northgrum.com
Looking for AAAA of NS puff.northgrum.com
No AAAA record for puff.northgrum.com

NTP

Looking for an A record for ntp.northropgrumman.com
Looking for an A record for clock.northropgrumman.com
Looking for an A record for time.northropgrumman.com
Looking for an A record for chime.northropgrumman.com

XMPP

Looking for a SRV record for _xmpp-client._tcp.northropgrumman.com
Looking for a SRV record for _xmpp-server._tcp.northropgrumman.com

Last Updated: Sun May 20 20:54:07 2012 UTC