Check that www.ntt.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 ntt.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1459
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			300068	IN	NS	m.root-servers.net.
.			300068	IN	NS	b.root-servers.net.
.			300068	IN	NS	a.root-servers.net.
.			300068	IN	NS	d.root-servers.net.
.			300068	IN	NS	l.root-servers.net.
.			300068	IN	NS	i.root-servers.net.
.			300068	IN	NS	f.root-servers.net.
.			300068	IN	NS	g.root-servers.net.
.			300068	IN	NS	c.root-servers.net.
.			300068	IN	NS	j.root-servers.net.
.			300068	IN	NS	k.root-servers.net.
.			300068	IN	NS	h.root-servers.net.
.			300068	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	169391	IN	A	198.41.0.4
a.root-servers.net.	169391	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	127655	IN	A	192.228.79.201
c.root-servers.net.	515439	IN	A	192.33.4.12
d.root-servers.net.	473788	IN	A	128.8.10.90
d.root-servers.net.	473788	IN	AAAA	2001:500:2d::d
e.root-servers.net.	124975	IN	A	192.203.230.10
f.root-servers.net.	170262	IN	A	192.5.5.241
f.root-servers.net.	475138	IN	AAAA	2001:500:2f::f
g.root-servers.net.	170926	IN	A	192.112.36.4
h.root-servers.net.	127964	IN	A	128.63.2.53
h.root-servers.net.	127964	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	169498	IN	A	192.36.148.17
i.root-servers.net.	169498	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 14:56:53 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 888
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	g.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: 130 msec
;; SERVER: 192.112.36.4#53(g.root-servers.net)
;; WHEN: Mon May 21 14:56:53 2012
;; MSG SIZE  rcvd: 485

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1016
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
ntt.com.		172800	IN	NS	ns-os001.ocn.ad.jp.
ntt.com.		172800	IN	NS	pns.ocn.ad.jp.

;; Query time: 325 msec
;; SERVER: 192.12.94.30#53(e.gtld-servers.net)
;; WHEN: Mon May 21 14:56:53 2012
;; MSG SIZE  rcvd: 75

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1635
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

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

;; ANSWER SECTION:
ntt.com.		86400	IN	SOA	pns.ocn.ad.jp. root.ntt.net. 291 3600 900 604800 86400

;; AUTHORITY SECTION:
ntt.com.		86400	IN	NS	ns-os001.ocn.ad.jp.
ntt.com.		86400	IN	NS	pns.ocn.ad.jp.

;; ADDITIONAL SECTION:
pns.ocn.ad.jp.		25386	IN	A	203.139.160.19
ns-os001.ocn.ad.jp.	25845	IN	A	203.139.161.37

;; Query time: 209 msec
;; SERVER: 203.139.161.37#53(ns-os001.ocn.ad.jp)
;; WHEN: Mon May 21 14:56:54 2012
;; MSG SIZE  rcvd: 155

HTTP

Looking for CNAME of www.ntt.com
Checking if there is a AAAA for www.ntt.com ... success.
Sending...

HEAD / HTTP/1.1
Host: www.ntt.com
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 200 OK
Date: Mon, 21 May 2012 05:26:55 GMT
Server: Apache
Last-Modified: Mon, 20 Dec 2010 07:28:54 GMT
Content-Type: text/html

Accessed / [2001:380:516:4220:0:0:1:1] Response: HTTP/1.1 200 OK

SMTP

MX 10 mgw010.noc.ntt.com
Looking for AAAA on mgw010.noc.ntt.com
MX 10 mgw020.noc.ntt.com
Looking for AAAA on mgw020.noc.ntt.com
MX 10 mgw030.noc.ntt.com
Looking for AAAA on mgw030.noc.ntt.com

DNS

Looking for AAAA of NS pns.ocn.ad.jp
No AAAA record for pns.ocn.ad.jp
Looking for AAAA of NS ns-os001.ocn.ad.jp
No AAAA record for ns-os001.ocn.ad.jp

NTP

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

XMPP

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

Last Updated: Mon May 21 05:26:57 2012 UTC