Check that www.icann.org 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 icann.org soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1088
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			271223	IN	NS	g.root-servers.net.
.			271223	IN	NS	c.root-servers.net.
.			271223	IN	NS	a.root-servers.net.
.			271223	IN	NS	m.root-servers.net.
.			271223	IN	NS	d.root-servers.net.
.			271223	IN	NS	f.root-servers.net.
.			271223	IN	NS	j.root-servers.net.
.			271223	IN	NS	k.root-servers.net.
.			271223	IN	NS	i.root-servers.net.
.			271223	IN	NS	l.root-servers.net.
.			271223	IN	NS	b.root-servers.net.
.			271223	IN	NS	h.root-servers.net.
.			271223	IN	NS	e.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	140546	IN	A	198.41.0.4
a.root-servers.net.	140546	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	98810	IN	A	192.228.79.201
c.root-servers.net.	486594	IN	A	192.33.4.12
d.root-servers.net.	444943	IN	A	128.8.10.90
d.root-servers.net.	444943	IN	AAAA	2001:500:2d::d
e.root-servers.net.	96130	IN	A	192.203.230.10
f.root-servers.net.	141417	IN	A	192.5.5.241
f.root-servers.net.	446293	IN	AAAA	2001:500:2f::f
g.root-servers.net.	142081	IN	A	192.112.36.4
h.root-servers.net.	99119	IN	A	128.63.2.53
h.root-servers.net.	99119	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	140653	IN	A	192.36.148.17
i.root-servers.net.	140653	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 22:57:38 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1781
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 12

;; QUESTION SECTION:
;icann.org.			IN	SOA

;; AUTHORITY SECTION:
org.			172800	IN	NS	a0.org.afilias-nst.info.
org.			172800	IN	NS	d0.org.afilias-nst.org.
org.			172800	IN	NS	b2.org.afilias-nst.org.
org.			172800	IN	NS	c0.org.afilias-nst.info.
org.			172800	IN	NS	a2.org.afilias-nst.info.
org.			172800	IN	NS	b0.org.afilias-nst.org.

;; ADDITIONAL SECTION:
a0.org.afilias-nst.info. 172800	IN	A	199.19.56.1
a2.org.afilias-nst.info. 172800	IN	A	199.249.112.1
b0.org.afilias-nst.org.	172800	IN	A	199.19.54.1
b2.org.afilias-nst.org.	172800	IN	A	199.249.120.1
c0.org.afilias-nst.info. 172800	IN	A	199.19.53.1
d0.org.afilias-nst.org.	172800	IN	A	199.19.57.1
a0.org.afilias-nst.info. 172800	IN	AAAA	2001:500:e::1
a2.org.afilias-nst.info. 172800	IN	AAAA	2001:500:40::1
b0.org.afilias-nst.org.	172800	IN	AAAA	2001:500:c::1
b2.org.afilias-nst.org.	172800	IN	AAAA	2001:500:48::1
c0.org.afilias-nst.info. 172800	IN	AAAA	2001:500:b::1
d0.org.afilias-nst.org.	172800	IN	AAAA	2001:500:f::1

;; Query time: 129 msec
;; SERVER: 192.112.36.4#53(g.root-servers.net)
;; WHEN: Mon May 21 22:57:38 2012
;; MSG SIZE  rcvd: 429

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1072
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 2

;; QUESTION SECTION:
;icann.org.			IN	SOA

;; AUTHORITY SECTION:
icann.org.		86400	IN	NS	a.iana-servers.net.
icann.org.		86400	IN	NS	c.iana-servers.net.
icann.org.		86400	IN	NS	ns.icann.org.
icann.org.		86400	IN	NS	d.iana-servers.net.
icann.org.		86400	IN	NS	b.iana-servers.net.

;; ADDITIONAL SECTION:
ns.icann.org.		86400	IN	A	199.4.138.53
ns.icann.org.		86400	IN	AAAA	2001:500:89::53

;; Query time: 294 msec
;; SERVER: 2001:500:e::1#53(a0.org.afilias-nst.info)
;; WHEN: Mon May 21 22:57:39 2012
;; MSG SIZE  rcvd: 168

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1624
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 10

;; QUESTION SECTION:
;icann.org.			IN	SOA

;; ANSWER SECTION:
icann.org.		3600	IN	SOA	dns1.icann.org. hostmaster.icann.org. 2012051820 10800 3600 1209600 3600

;; AUTHORITY SECTION:
icann.org.		86400	IN	NS	b.iana-servers.net.
icann.org.		86400	IN	NS	c.iana-servers.net.
icann.org.		86400	IN	NS	d.iana-servers.net.
icann.org.		86400	IN	NS	a.iana-servers.net.
icann.org.		86400	IN	NS	ns.icann.org.

;; ADDITIONAL SECTION:
a.iana-servers.net.	1800	IN	A	199.43.132.53
a.iana-servers.net.	1800	IN	AAAA	2001:500:8c::53
b.iana-servers.net.	1800	IN	A	199.43.133.53
b.iana-servers.net.	1800	IN	AAAA	2001:500:8d::53
c.iana-servers.net.	1800	IN	A	139.91.1.10
c.iana-servers.net.	1800	IN	AAAA	2001:648:2c30::1:10
d.iana-servers.net.	1800	IN	A	199.4.29.153
d.iana-servers.net.	1800	IN	AAAA	2620:0:2ee0:2::153
ns.icann.org.		21600	IN	A	199.4.138.53
ns.icann.org.		21600	IN	AAAA	2001:500:89::53

;; Query time: 395 msec
;; SERVER: 2001:648:2c30::1:10#53(c.iana-servers.net)
;; WHEN: Mon May 21 22:57:39 2012
;; MSG SIZE  rcvd: 396

HTTP

Looking for CNAME of www.icann.org
Checking if there is a AAAA for www.icann.org ... success.
Sending...

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

Reading ...

HTTP/1.1 200 OK
Server: Apache/2.2.3 (CentOS)
X-Drupal-Cache: HIT
Etag: "1337605295-1"
Content-Language: en
X-Generator: Drupal 7 (http://drupal.org)
Cache-Control: public, max-age=600
Last-Modified: Mon, 21 May 2012 13:01:35 +0000
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Vary: Cookie,Accept-Encoding
Content-Type: text/html; charset=utf-8
Date: Mon, 21 May 2012 13:27:41 GMT
X-Varnish: 1244303160 1244303097
Age: 20
Via: 1.1 varnish
Connection: keep-alive
X-Varnish-Cache: HIT

Accessed / [2620:0:2d0:200:0:0:0:7] Response: HTTP/1.1 200 OK

SMTP

MX 10 pechora6.icann.org
Looking for AAAA on pechora6.icann.org
MX 10 pechora7.icann.org
Looking for AAAA on pechora7.icann.org
Connecting to 2620:0:2830:201:0:0:1:73 ... failed. IO::Socket::INET6: connect: No route to host
MX 10 pechora8.icann.org
Looking for AAAA on pechora8.icann.org
MX 10 pechora1.icann.org
Looking for AAAA on pechora1.icann.org
MX 10 pechora2.icann.org
Looking for AAAA on pechora2.icann.org
Connecting to 2620:0:2d0:201:0:0:1:72 ... done.
220 pechora2.lax.icann.org ESMTP Sendmail 8.13.8/8.13.8; Mon, 21 May 2012 13:31:27 GMT
250-pechora2.lax.icann.org Hello suzuka.mrp.net [IPv6:2001:44b8:60::2], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
MX 10 pechora3.icann.org
Looking for AAAA on pechora3.icann.org
MX 10 pechora4.icann.org
Looking for AAAA on pechora4.icann.org
Connecting to 2620:0:2d0:201:0:0:1:74 ... done.
220 pechora4.lax.icann.org ESMTP Sendmail 8.13.8/8.13.8; Mon, 21 May 2012 13:31:47 GMT
250-pechora4.lax.icann.org Hello suzuka.mrp.net [IPv6:2001:44b8:60::2], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP
MX 10 pechora5.icann.org
Looking for AAAA on pechora5.icann.org
Connecting to 2620:0:2830:201:0:0:1:71 ... done.
220 pechora5.dc.icann.org ESMTP Sendmail 8.13.8/8.13.8; Mon, 21 May 2012 13:32:08 GMT
250-pechora5.dc.icann.org Hello suzuka.mrp.net [IPv6:2001:44b8:60::2], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP

DNS

Looking for AAAA of NS ns.icann.org
Querying 2001:500:89:0:0:0:0:53 for SOA of icann.org over IPv6 ... successful!
Looking for AAAA of NS a.iana-servers.net
Querying 2001:500:8c:0:0:0:0:53 for SOA of icann.org over IPv6 ... successful!
Looking for AAAA of NS b.iana-servers.net
Querying 2001:500:8d:0:0:0:0:53 for SOA of icann.org over IPv6 ... successful!
Looking for AAAA of NS d.iana-servers.net
Querying 2620:0:2ee0:2:0:0:0:153 for SOA of icann.org over IPv6 ... successful!
Looking for AAAA of NS c.iana-servers.net
Querying 2001:648:2c30:0:0:0:1:10 for SOA of icann.org over IPv6 ... successful!

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.icann.org
Looking for a SRV record for _xmpp-server._tcp.icann.org

Last Updated: Mon May 21 13:32:30 2012 UTC