Check that www.cstnet.cn 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 cstnet.cn soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1440
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; AUTHORITY SECTION:
.			3600000	IN	NS	J.ROOT-SERVERS.NET.
.			3600000	IN	NS	B.ROOT-SERVERS.NET.
.			3600000	IN	NS	F.ROOT-SERVERS.NET.
.			3600000	IN	NS	H.ROOT-SERVERS.NET.
.			3600000	IN	NS	C.ROOT-SERVERS.NET.
.			3600000	IN	NS	K.ROOT-SERVERS.NET.
.			3600000	IN	NS	E.ROOT-SERVERS.NET.
.			3600000	IN	NS	L.ROOT-SERVERS.NET.
.			3600000	IN	NS	M.ROOT-SERVERS.NET.
.			3600000	IN	NS	I.ROOT-SERVERS.NET.
.			3600000	IN	NS	A.ROOT-SERVERS.NET.
.			3600000	IN	NS	D.ROOT-SERVERS.NET.
.			3600000	IN	NS	G.ROOT-SERVERS.NET.

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	456581	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	456581	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	414845	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	157239	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	153793	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	153793	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	412165	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	457452	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	153188	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	458116	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	415154	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	415154	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	456688	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	456688	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 07:10:23 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1558
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 8

;; QUESTION SECTION:
;cstnet.cn.			IN	SOA

;; AUTHORITY SECTION:
cn.			172800	IN	NS	e.dns.cn.
cn.			172800	IN	NS	d.dns.cn.
cn.			172800	IN	NS	c.dns.cn.
cn.			172800	IN	NS	b.dns.cn.
cn.			172800	IN	NS	ns.cernet.net.
cn.			172800	IN	NS	a.dns.cn.

;; ADDITIONAL SECTION:
a.dns.cn.		172800	IN	A	203.119.25.1
b.dns.cn.		172800	IN	A	203.119.26.1
c.dns.cn.		172800	IN	A	203.119.27.1
d.dns.cn.		172800	IN	A	203.119.28.1
e.dns.cn.		172800	IN	A	203.119.29.1
ns.cernet.net.		172800	IN	A	202.112.0.44
a.dns.cn.		172800	IN	AAAA	2001:dc7::1
d.dns.cn.		172800	IN	AAAA	2001:dc7:1000::1

;; Query time: 125 msec
;; SERVER: 2001:dc3::35#53(M.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 07:10:23 2012
;; MSG SIZE  rcvd: 290

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 599
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; QUESTION SECTION:
;cstnet.cn.			IN	SOA

;; AUTHORITY SECTION:
cstnet.cn.		21600	IN	NS	panda.cstnet.cn.

;; ADDITIONAL SECTION:
panda.cstnet.cn.	21600	IN	A	159.226.8.6

;; Query time: 111 msec
;; SERVER: 203.119.26.1#53(b.dns.cn)
;; WHEN: Fri May 18 07:10:24 2012
;; MSG SIZE  rcvd: 63

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 926
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; QUESTION SECTION:
;cstnet.cn.			IN	SOA

;; ANSWER SECTION:
cstnet.cn.		10800	IN	SOA	panda.cstnet.cn. lihong.panda.cstnet.cn. 2012032201 10800 3600 3600000 86400

;; AUTHORITY SECTION:
cstnet.cn.		10800	IN	NS	panda.cstnet.cn.

;; ADDITIONAL SECTION:
panda.cstnet.cn.	10800	IN	A	159.226.8.6

;; Query time: 156 msec
;; SERVER: 159.226.8.6#53(panda.cstnet.cn)
;; WHEN: Fri May 18 07:10:24 2012
;; MSG SIZE  rcvd: 106

HTTP

Looking for CNAME of www.cstnet.cn
Checking if there is a AAAA for www.cstnet.cn ... success.
Sending...

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

Reading ...

HTTP/1.1 200 OK
Content-Type: text/html;charset=gb2312
X-Powered-By: ASP.NET
Set-Cookie: JSESSIONID=0AC8008C816A47BD89557C5E390D9624; Path=/
Set-Cookie: cstip="2012-05-18 05:41:42"
Date: Thu, 17 May 2012 21:41:42 GMT
Connection: close

Accessed / [2001:cc0:2fff:2:0:0:0:18] Response: HTTP/1.1 200 OK

SMTP

MX 1 mx1.cstnet.cn
Looking for AAAA on mx1.cstnet.cn
Connecting to 2001:cc0:2fff:7:0:0:0:26 ... done.
220 cstnet.cn Anti-spam GT for Coremail System (cstnet[20100106])
250-mail
250-PIPEL*NING
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-coremail 1Uxr2xKj7kG0xkI17xGrUDI0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UrAGQ0mUCa0xDrUUUUj
250-START*LS
250 8BITMIME
MX 1 mx.cstnet.cn
Looking for AAAA on mx.cstnet.cn

DNS

Looking for AAAA of NS panda.cstnet.cn
No AAAA record for panda.cstnet.cn

NTP

Looking for an A record for ntp.cstnet.cn
Looking for an A record for clock.cstnet.cn
Looking for an A record for time.cstnet.cn
Looking for an A record for chime.cstnet.cn

XMPP

Looking for a SRV record for _xmpp-client._tcp.cstnet.cn
Looking for a SRV record for _xmpp-server._tcp.cstnet.cn

Last Updated: Thu May 17 21:40:28 2012 UTC