Check that www.nationalgeographic.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 nationalgeographic.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1086
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			250527	IN	NS	h.root-servers.net.
.			250527	IN	NS	m.root-servers.net.
.			250527	IN	NS	k.root-servers.net.
.			250527	IN	NS	f.root-servers.net.
.			250527	IN	NS	d.root-servers.net.
.			250527	IN	NS	a.root-servers.net.
.			250527	IN	NS	c.root-servers.net.
.			250527	IN	NS	l.root-servers.net.
.			250527	IN	NS	b.root-servers.net.
.			250527	IN	NS	j.root-servers.net.
.			250527	IN	NS	i.root-servers.net.
.			250527	IN	NS	g.root-servers.net.
.			250527	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	119850	IN	A	198.41.0.4
a.root-servers.net.	119850	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	78114	IN	A	192.228.79.201
c.root-servers.net.	465898	IN	A	192.33.4.12
d.root-servers.net.	424247	IN	A	128.8.10.90
d.root-servers.net.	424247	IN	AAAA	2001:500:2d::d
e.root-servers.net.	75434	IN	A	192.203.230.10
f.root-servers.net.	120721	IN	A	192.5.5.241
f.root-servers.net.	425597	IN	AAAA	2001:500:2f::f
g.root-servers.net.	121385	IN	A	192.112.36.4
h.root-servers.net.	78423	IN	A	128.63.2.53
h.root-servers.net.	78423	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	119957	IN	A	192.36.148.17
i.root-servers.net.	119957	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 04:42:34 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1789
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;nationalgeographic.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: 26 msec
;; SERVER: 2001:500:3::42#53(l.root-servers.net)
;; WHEN: Tue May 22 04:42:34 2012
;; MSG SIZE  rcvd: 500

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 373
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
nationalgeographic.com.	172800	IN	NS	ns1.nationalgeographic.com.
nationalgeographic.com.	172800	IN	NS	ns2.nationalgeographic.com.

;; ADDITIONAL SECTION:
ns1.nationalgeographic.com. 172800 IN	A	207.24.89.10
ns2.nationalgeographic.com. 172800 IN	A	74.217.81.136

;; Query time: 132 msec
;; SERVER: 2001:503:231d::2:30#53(b.gtld-servers.net)
;; WHEN: Tue May 22 04:42:34 2012
;; MSG SIZE  rcvd: 108

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 835
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

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

;; ANSWER SECTION:
nationalgeographic.com.	900	IN	SOA	ns1.nationalgeographic.com. postmaster.nationalgeographic.com. 2940633817 7200 300 604800 900

;; AUTHORITY SECTION:
nationalgeographic.com.	900	IN	NS	ns2.nationalgeographic.com.
nationalgeographic.com.	900	IN	NS	ns1.nationalgeographic.com.

;; ADDITIONAL SECTION:
ns1.nationalgeographic.com. 900	IN	A	207.24.89.10
ns2.nationalgeographic.com. 900	IN	A	74.217.81.136

;; Query time: 296 msec
;; SERVER: 207.24.89.10#53(ns1.nationalgeographic.com)
;; WHEN: Tue May 22 04:42:35 2012
;; MSG SIZE  rcvd: 155

HTTP

Looking for CNAME of www.nationalgeographic.com
Warning: Might be out sourced to a web service.
Checking if there is a AAAA for www.nationalgeographic.com ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.nationalgeographic.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 883
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.nationalgeographic.com. 899	IN	CNAME	www.nationalgeographic.com.edgesuite.net.
www.nationalgeographic.com.edgesuite.net. 47 IN	CNAME a1950.g.akamai.net.

;; AUTHORITY SECTION:
g.akamai.net.		999	IN	SOA	n0g.akamai.net. hostmaster.akamai.com. 1337627555 1000 1000 1000 1800

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 04:42:36 2012
;; MSG SIZE  rcvd: 185

Checking other options ... failed too.

SMTP

MX 100 ngs.org.s7a1.psmtp.com
Looking for AAAA on ngs.org.S7a1.psmtp.com
MX 100 ngs.org.s7a2.psmtp.com
Looking for AAAA on ngs.org.S7a2.psmtp.com
MX 100 ngs.org.s7b1.psmtp.com
Looking for AAAA on ngs.org.S7b1.psmtp.com
MX 100 ngs.org.s7b2.psmtp.com
Looking for AAAA on ngs.org.S7b2.psmtp.com

DNS

Looking for AAAA of NS ns2.nationalgeographic.com
No AAAA record for ns2.nationalgeographic.com
Looking for AAAA of NS ns1.nationalgeographic.com
No AAAA record for ns1.nationalgeographic.com

NTP

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

XMPP

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

Last Updated: Mon May 21 19:12:40 2012 UTC