Check that www.nsfc.gov.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 nsfc.gov.cn soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1757
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			323458	IN	NS	d.root-servers.net.
.			323458	IN	NS	i.root-servers.net.
.			323458	IN	NS	m.root-servers.net.
.			323458	IN	NS	l.root-servers.net.
.			323458	IN	NS	a.root-servers.net.
.			323458	IN	NS	b.root-servers.net.
.			323458	IN	NS	c.root-servers.net.
.			323458	IN	NS	f.root-servers.net.
.			323458	IN	NS	k.root-servers.net.
.			323458	IN	NS	e.root-servers.net.
.			323458	IN	NS	h.root-servers.net.
.			323458	IN	NS	j.root-servers.net.
.			323458	IN	NS	g.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	192781	IN	A	198.41.0.4
a.root-servers.net.	192781	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	151045	IN	A	192.228.79.201
c.root-servers.net.	538829	IN	A	192.33.4.12
d.root-servers.net.	497178	IN	A	128.8.10.90
d.root-servers.net.	497178	IN	AAAA	2001:500:2d::d
e.root-servers.net.	148365	IN	A	192.203.230.10
f.root-servers.net.	193652	IN	A	192.5.5.241
f.root-servers.net.	498528	IN	AAAA	2001:500:2f::f
g.root-servers.net.	194316	IN	A	192.112.36.4
h.root-servers.net.	151354	IN	A	128.63.2.53
h.root-servers.net.	151354	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	192888	IN	A	192.36.148.17
i.root-servers.net.	192888	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 08:27:03 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 8

;; QUESTION SECTION:
;nsfc.gov.cn.			IN	SOA

;; AUTHORITY SECTION:
cn.			172800	IN	NS	a.dns.cn.
cn.			172800	IN	NS	d.dns.cn.
cn.			172800	IN	NS	ns.cernet.net.
cn.			172800	IN	NS	e.dns.cn.
cn.			172800	IN	NS	c.dns.cn.
cn.			172800	IN	NS	b.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: 179 msec
;; SERVER: 192.228.79.201#53(b.root-servers.net)
;; WHEN: Mon May 21 08:27:03 2012
;; MSG SIZE  rcvd: 292

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1096
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;nsfc.gov.cn.			IN	SOA

;; AUTHORITY SECTION:
nsfc.gov.cn.		21600	IN	NS	ns.nsfc.gov.cn.
nsfc.gov.cn.		21600	IN	NS	nsbak.nsfc.gov.cn.

;; ADDITIONAL SECTION:
ns.nsfc.gov.cn.		21600	IN	A	159.226.244.3
nsbak.nsfc.gov.cn.	21600	IN	A	210.75.240.4

;; Query time: 111 msec
;; SERVER: 203.119.27.1#53(c.dns.cn)
;; WHEN: Mon May 21 08:27:04 2012
;; MSG SIZE  rcvd: 98

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

;; QUESTION SECTION:
;nsfc.gov.cn.			IN	SOA

;; ANSWER SECTION:
nsfc.gov.cn.		86400	IN	SOA	ns.nsfc.gov.cn. admin.nsfc.gov.cn. 2012030704 10800 900 604800 86400

;; AUTHORITY SECTION:
nsfc.gov.cn.		86400	IN	NS	ns.nsfc.gov.cn.

;; ADDITIONAL SECTION:
ns.nsfc.gov.cn.		86400	IN	A	159.226.244.3

;; Query time: 153 msec
;; SERVER: 159.226.244.3#53(ns.nsfc.gov.cn)
;; WHEN: Mon May 21 08:27:04 2012
;; MSG SIZE  rcvd: 104

HTTP

Looking for CNAME of www.nsfc.gov.cn
Checking if there is a AAAA for www.nsfc.gov.cn ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.nsfc.gov.cn aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 228
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.nsfc.gov.cn.		IN	AAAA

;; AUTHORITY SECTION:
nsfc.gov.cn.		10800	IN	SOA	ns.nsfc.gov.cn. admin.nsfc.gov.cn. 2012030704 10800 900 604800 86400

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 08:27:05 2012
;; MSG SIZE  rcvd: 78

Checking other options ... failed too.

SMTP

MX 10 mail.nsfc.gov.cn
Looking for AAAA on mail.nsfc.gov.cn

DNS

Looking for AAAA of NS ns.nsfc.gov.cn
No AAAA record for ns.nsfc.gov.cn

NTP

Looking for an A record for ntp.nsfc.gov.cn
Looking for an A record for clock.nsfc.gov.cn
Looking for an A record for time.nsfc.gov.cn
Looking for an A record for chime.nsfc.gov.cn

XMPP

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

Last Updated: Sun May 20 22:57:07 2012 UTC