`21ct.com.cn`

DNSSEC	⚠️ Not signed
A	156.246.6.3^{🇺🇸 USZNI-AS-AP156.246.6.0/23}
NS	`ns1.myhostadmin.net` ⭐ ⚠️ Not in parent delegation
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.254^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
			PTR	`ip-60-247-150-254.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
NS	`ns1.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.254^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
			PTR	`ip-60-247-150-254.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
NS	`ns2.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-73.defastlink.net`
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`ip-211-149-230-100.defastlink.net`
NS	`ns2.myhostadmin.net` ⚠️ Not in parent delegation
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-73.defastlink.net`
		A	61.240.129.143^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
			PTR	`ip-61-240-129-143.defastlink.net`
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`ip-211-149-230-100.defastlink.net`
NS	`ns3.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.77^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-77.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
NS	`ns3.myhostadmin.net` ⚠️ Not in parent delegation
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.77^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-77.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
NS	`ns4.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`ip-211-149-230-100.defastlink.net`
NS	`ns4.myhostadmin.net` ⚠️ Not in parent delegation
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`ip-211-149-230-100.defastlink.net`
NS	`ns5.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-73.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
NS	`ns5.myhostadmin.net` ⚠️ Not in parent delegation
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-73.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
NS	`ns6.363.hk` ⚠️ Not in zone NS records
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.13^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
			PTR	`ip-60-247-150-13.defastlink.net`
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
NS	`ns6.myhostadmin.net` ⚠️ Not in parent delegation
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.13^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
			PTR	`ip-60-247-150-13.defastlink.net`
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
SOA	`ns1.myhostadmin.net`dnsconct@myhostadmin.net 2025-07-04 #10

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030470798

WOT: NOT_SAFE (20/100)

Same first word

21ct.cn

21ct.cc

21ct.de

21ct.top

21ct.com.cn

21ct.net

21ct.org

Similar names

12ct.com

tc21.com

2c1t.com

ct21.cn

ct21.org

21tc.cn

ct21.com

tc21.cn

tc21.co.kr

t2c1.com

ct21.com.au

21tc.com

tc21.ru

ct12.cn

DNS History

20 records (13 active, 7 former)

●NSns1.363.hk2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

○NSns1.dreamhost.com2015-07-04 → 2016-11-08 · 4 obs

● 2015-07-04 00:13:52
● 2016-11-08 06:25:12
○ 2026-02-25 20:18:38
○ 2026-03-22 16:05:02

●NSns1.myhostadmin.net2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns2.363.hk2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

○NSns2.dreamhost.com2015-07-04 → 2016-11-08 · 4 obs

● 2015-07-04 00:13:52
● 2016-11-08 06:25:12
○ 2026-02-25 20:18:38
○ 2026-03-22 16:05:02

●NSns2.myhostadmin.net2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns3.363.hk2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

○NSns3.dreamhost.com2015-07-04 → 2016-11-08 · 4 obs

● 2015-07-04 00:13:52
● 2016-11-08 06:25:12
○ 2026-02-25 20:18:38
○ 2026-03-22 16:05:02

●NSns3.myhostadmin.net2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns4.363.hk2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns4.myhostadmin.net2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns5.363.hk2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns5.myhostadmin.net2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns6.363.hk2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

●NSns6.myhostadmin.net2026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

○MXmx1.sub3.homie.mail.dreamhost.com2015-07-04 → 2016-11-08 · 4 obs

● 2015-07-04 00:13:52
● 2016-11-08 06:25:12
○ 2026-02-25 20:18:38
○ 2026-03-22 16:05:02

○MXmx2.sub3.homie.mail.dreamhost.com2015-07-04 → 2016-11-08 · 4 obs

● 2015-07-04 00:13:52
● 2016-11-08 06:25:12
○ 2026-02-25 20:18:38
○ 2026-03-22 16:05:02

●A156.246.6.32026-02-25 → 2026-03-22 · 3 obs

○ 2016-11-08 06:25:12
● 2026-02-25 20:18:38
● 2026-03-22 16:05:02

○A69.163.156.1592016-11-08 → 2016-11-08 · 4 obs

○ 2016-04-05 18:09:56
● 2016-11-08 06:25:12
○ 2026-02-25 20:18:38
○ 2026-03-22 16:05:02

○A69.163.208.2432015-07-04 → 2016-04-05 · 4 obs

● 2015-07-04 00:13:52
● 2016-04-05 18:09:56
○ 2016-11-08 06:25:12
○ 2026-03-22 16:05:02

🔍 DNS Trace

Analysis

IP Addresses

21ct.com.cn points to IP number 156.246.6.3.

Other host names, for instance, ahbzjy.cn share IP numbers with 21ct.com.cn.

Name Servers

21ct.com.cn is delegated to twelve name servers: ns1.363.hk, ns2.363.hk, ns3.363.hk, ns4.363.hk, ns5.363.hk, ns6.363.hk, ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net, ns4.myhostadmin.net, ns5.myhostadmin.net and ns6.myhostadmin.net.

21ct.com.cn shares name servers with other domains at least partially, for example kjsq.net, spvid.com, gaysxx.com, tzgsjc.com and wxaxwl.com.