`zcdt.cn`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	`ns11.xincache.com` ⭐ ⚠️ Not in parent delegation
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns12.xincache.com` ⚠️ Not in parent delegation
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
NS	`ns17.xincache.com` ⚠️ Not in zone NS records
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns18.xincache.com` ⚠️ Not in zone NS records
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`ns11.xincache.com`ns12@xincache.com serial=1780060022

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035058510

Same first word

zcdt.cn

zcdt.net

Similar names

zdtc.cn

cdzt.com

zdtc.com

tdcz.cz

dzct.com.cn

zdtc.co

tcdz.cn

cdtz.org

ztcd.net

zdtc.global

tdzc.com

dtzc.nl

tdcz.com

dctz.cn

ztdc.cn

cztd.com

zdct.org

zdtc.network

dztc.group

dctz.net

czdt.cn

tzcd.net

cdzt.org

zctd.com

ctzd.com

tczd.ru

zdct.net

cdzt.net

dctz.com

ztdc.net.cn

tzcd.cc

cdtz.net

cdzt.it

tzdc.com

zdtc.app

zdct.cn

cdtz.cn

zdtc.net

tcdz.net

ztcd.com

dtcz.com

DNS History

18 records (7 active, 11 former)

○NSa.dnspod.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 15:27:42
○ 2016-02-13 05:20:14
○ 2026-07-19 02:43:16

○NSb.dnspod.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 15:27:42
○ 2016-02-13 05:20:14
○ 2026-07-19 02:43:16

○NSc.dnspod.com2015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 15:27:42
○ 2016-02-13 05:20:14
○ 2026-07-19 02:43:16

○NSdns1.iidns.com2016-02-13 → 2017-04-03 · 5 obs

○ 2015-06-15 15:27:42
● 2016-02-13 05:20:14
● 2017-04-03 10:14:08
○ 2026-07-13 17:38:48
○ 2026-07-19 02:43:16

○NSdns2.iidns.com2016-02-13 → 2016-08-12 · 5 obs

○ 2015-06-15 15:27:42
● 2016-02-13 05:20:14
● 2016-08-12 14:59:32
○ 2026-07-13 17:38:48
○ 2026-07-19 02:43:16

○NSdns3.iidns.com2016-02-13 → 2016-08-12 · 5 obs

○ 2015-06-15 15:27:42
● 2016-02-13 05:20:14
● 2016-08-12 14:59:32
○ 2026-07-13 17:38:48
○ 2026-07-19 02:43:16

○NSdns4.iidns.com2016-02-13 → 2016-08-12 · 5 obs

○ 2015-06-15 15:27:42
● 2016-02-13 05:20:14
● 2016-08-12 14:59:32
○ 2026-07-13 17:38:48
○ 2026-07-19 02:43:16

○NSdns5.iidns.com2016-02-13 → 2016-08-12 · 5 obs

○ 2015-06-15 15:27:42
● 2016-02-13 05:20:14
● 2016-08-12 14:59:32
○ 2026-07-13 17:38:48
○ 2026-07-19 02:43:16

○NSdns6.iidns.com2016-02-13 → 2016-08-12 · 5 obs

○ 2015-06-15 15:27:42
● 2016-02-13 05:20:14
● 2016-08-12 14:59:32
○ 2026-07-13 17:38:48
○ 2026-07-19 02:43:16

●NSns11.xincache.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-03 10:14:08
● 2026-07-13 17:38:48
● 2026-07-19 02:43:16

●NSns12.xincache.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-03 10:14:08
● 2026-07-13 17:38:48
● 2026-07-19 02:43:16

●NSns17.xincache.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-03 10:14:08
● 2026-07-13 17:38:48
● 2026-07-19 02:43:16

●NSns18.xincache.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-03 10:14:08
● 2026-07-13 17:38:48
● 2026-07-19 02:43:16

●MXmxbiz1.qq.com2026-07-13 → 2026-07-19 · 2 obs

● 2026-07-13 17:38:48
● 2026-07-19 02:43:16

●MXmxbiz2.qq.com2026-07-13 → 2026-07-19 · 2 obs

● 2026-07-13 17:38:48
● 2026-07-19 02:43:16

○A103.1.224.1102015-06-15 → 2015-06-15 · 3 obs

● 2015-06-15 15:27:42
○ 2016-02-13 05:20:14
○ 2026-07-19 02:43:16

●A127.0.0.12026-07-13 → 2026-07-19 · 3 obs

○ 2017-04-03 10:14:08
● 2026-07-13 17:38:48
● 2026-07-19 02:43:16

○A47.88.29.2532016-02-13 → 2017-04-03 · 5 obs

○ 2015-06-15 15:27:42
● 2016-02-13 05:20:14
● 2017-04-03 10:14:08
○ 2026-07-13 17:38:48
○ 2026-07-19 02:43:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
zcdt.cn	ns17.xincache.com, ns18.xincache.com	-

✅ Authoritative Response

Server:129.211.176.239

NS records: ns17.xincache.com, ns18.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zcdt.cn (unsigned zone)

⏱️ Timing

Total: 4553ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

IP Addresses

zcdt.cn resolves to just one IP address, 127.0.0.1.

Two other host names, along with scotiabanks.com, mail.simsdance.com and minnesotaorganiccannabis.com, also share IP numbers with zcdt.cn.

Name Servers

The NS records for zcdt.cn point to four name servers: ns11.xincache.com, ns12.xincache.com, ns17.xincache.com and ns18.xincache.com.

zcdt.cn partially shares its NS delegation with several other domains, including nestbond.com, lfjxzz.com, xpgtg.com and two others.

In DNS configurations, these name servers often share authority with ns13.xincache.com, ns14.xincache.com, ce1.xincache.com and 5 other name servers.

DNS names with 8 IP addresses:

ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

ns17.xincache.com resolves to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

DNS names with 7 IP addresses:

ns12.xincache.com resolves to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

ns18.xincache.com resolves to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 2402:4e00:1470:2::e IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 2402:4e00:1730::e IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 1.12.0.4 IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 36.155.149.180 IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 112.80.181.45 IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 117.89.178.173 IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 125.94.59.210 IP addresses.

ns11.xincache.com and ns17.xincache.com are host names that each point to 129.211.176.209 IP addresses.

ns12.xincache.com and ns18.xincache.com are host names that each point to 2402:4e00:111:fff::c IP addresses.

ns12.xincache.com and ns18.xincache.com are host names that each point to 1.12.0.1 IP addresses.

ns12.xincache.com and ns18.xincache.com are host names that each point to 36.155.149.176 IP addresses.

ns12.xincache.com and ns18.xincache.com are host names that each point to 112.80.181.111 IP addresses.

ns12.xincache.com and ns18.xincache.com are host names that each point to 117.89.178.184 IP addresses.

ns12.xincache.com and ns18.xincache.com are host names that each point to 129.211.176.239 IP addresses.

ns12.xincache.com and ns18.xincache.com are host names that each point to 163.177.5.23 IP addresses.

Mail Servers

zcdt.cn is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with zcdt.cn are aidaily.com, gemuedu.com, lsvt.com.cn and two others.

The MX records for zcdt.cn are at least partially shared with other domains, such as yokii.cn, castfont.com, mbam.camnet.cm.cm and chinatio2.net.

zcdt.cn - robtex.com

zcdt.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`zcdt.cn`

`cn`