Check that www.he.net 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 he.net soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 981
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			272024	IN	NS	e.root-servers.net.
.			272024	IN	NS	a.root-servers.net.
.			272024	IN	NS	d.root-servers.net.
.			272024	IN	NS	g.root-servers.net.
.			272024	IN	NS	h.root-servers.net.
.			272024	IN	NS	c.root-servers.net.
.			272024	IN	NS	i.root-servers.net.
.			272024	IN	NS	l.root-servers.net.
.			272024	IN	NS	f.root-servers.net.
.			272024	IN	NS	m.root-servers.net.
.			272024	IN	NS	b.root-servers.net.
.			272024	IN	NS	j.root-servers.net.
.			272024	IN	NS	k.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	141347	IN	A	198.41.0.4
a.root-servers.net.	141347	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	99611	IN	A	192.228.79.201
c.root-servers.net.	487395	IN	A	192.33.4.12
d.root-servers.net.	445744	IN	A	128.8.10.90
d.root-servers.net.	445744	IN	AAAA	2001:500:2d::d
e.root-servers.net.	96931	IN	A	192.203.230.10
f.root-servers.net.	142218	IN	A	192.5.5.241
f.root-servers.net.	447094	IN	AAAA	2001:500:2f::f
g.root-servers.net.	142882	IN	A	192.112.36.4
h.root-servers.net.	99920	IN	A	128.63.2.53
h.root-servers.net.	99920	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	141454	IN	A	192.36.148.17
i.root-servers.net.	141454	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 22:44:17 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 914
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 15

;; QUESTION SECTION:
;he.net.				IN	SOA

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

;; ADDITIONAL SECTION:
a.gtld-servers.net.	172800	IN	A	192.5.6.30
a.gtld-servers.net.	172800	IN	AAAA	2001:503:a83e::2:30
b.gtld-servers.net.	172800	IN	A	192.33.14.30
b.gtld-servers.net.	172800	IN	AAAA	2001:503:231d::2:30
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

;; Query time: 36 msec
;; SERVER: 2001:7fe::53#53(i.root-servers.net)
;; WHEN: Mon May 21 22:44:17 2012
;; MSG SIZE  rcvd: 509

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1196
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 9

;; QUESTION SECTION:
;he.net.				IN	SOA

;; AUTHORITY SECTION:
he.net.			172800	IN	NS	ns1.he.net.
he.net.			172800	IN	NS	ns2.he.net.
he.net.			172800	IN	NS	ns3.he.net.
he.net.			172800	IN	NS	ns4.he.net.
he.net.			172800	IN	NS	ns5.he.net.

;; ADDITIONAL SECTION:
ns1.he.net.		172800	IN	A	216.218.130.2
ns2.he.net.		172800	IN	AAAA	2001:470:200::2
ns2.he.net.		172800	IN	A	216.218.131.2
ns3.he.net.		172800	IN	AAAA	2001:470:300::2
ns3.he.net.		172800	IN	A	216.218.132.2
ns4.he.net.		172800	IN	AAAA	2001:470:400::2
ns4.he.net.		172800	IN	A	216.66.1.2
ns5.he.net.		172800	IN	AAAA	2001:470:500::2
ns5.he.net.		172800	IN	A	216.66.80.18

;; Query time: 183 msec
;; SERVER: 192.35.51.30#53(f.gtld-servers.net)
;; WHEN: Mon May 21 22:44:17 2012
;; MSG SIZE  rcvd: 306

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 375
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;he.net.				IN	SOA

;; ANSWER SECTION:
he.net.			86400	IN	SOA	ns1.he.net. hostmaster.he.net. 201205210 10800 1800 604800 86400

;; Query time: 202 msec
;; SERVER: 2001:470:400::2#53(ns4.he.net)
;; WHEN: Mon May 21 22:44:17 2012
;; MSG SIZE  rcvd: 75

HTTP

Looking for CNAME of www.he.net
Checking if there is a AAAA for www.he.net ... success.
Sending...

HEAD / HTTP/1.1
Host: www.he.net
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 13:14:18 GMT
Server: Apache
Accept-Ranges: bytes
Content-Type: text/html

Accessed / [2001:470:0:76:0:0:0:2] Response: HTTP/1.1 200 OK

SMTP

MX 1 he.net
Looking for AAAA on he.net
Connecting to 2001:470:0:76:0:0:0:2 ... done.
220 he.net ESMTP Ready
250-he.net Hello suzuka.mrp.net
250 HELP

DNS

Looking for AAAA of NS ns5.he.net
Querying 2001:470:500:0:0:0:0:2 for SOA of he.net over IPv6 ... successful!
Looking for AAAA of NS ns1.he.net
No AAAA record for ns1.he.net
Looking for AAAA of NS ns3.he.net
Querying 2001:470:300:0:0:0:0:2 for SOA of he.net over IPv6 ... successful!
Looking for AAAA of NS ns2.he.net
Querying 2001:470:200:0:0:0:0:2 for SOA of he.net over IPv6 ... successful!
Looking for AAAA of NS ns4.he.net
Querying 2001:470:400:0:0:0:0:2 for SOA of he.net over IPv6 ... successful!

NTP

Looking for an A record for ntp.he.net
Found an A or AAAA record. Now looking for a AAAA.
ntpdate -sq ntp.he.net (2001:470:0:50:0:0:0:2)
server 2001:470:0:50::2, stratum 1, offset -0.012834, delay 0.22806

XMPP

Looking for a SRV record for _xmpp-client._tcp.he.net
Found XMPP client xmpp.he.net (0, 5222)
Trying to connect to 64.71.190.98 on 5222 ... Connection succeeded
Trying to connect to 2001:470:0:1ba:0:0:0:2 on 5222 ... Connection succeeded

Looking for a SRV record for _xmpp-server._tcp.he.net
Found XMPP server xmpp.he.net (0, 5269)
Trying to connect to 64.71.190.98 on 5269 ... Connection succeeded
Trying to connect to 2001:470:0:1ba:0:0:0:2 on 5269 ... Connection succeeded

Last Updated: Mon May 21 13:14:22 2012 UTC