`ctcentury.com`

DNSSEC	⚠️ Not signed
NS	`ns13.xincache.com` ⭐
		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	`ns14.xincache.com`
		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	`mx.ym.163.com` ⭐
		A	111.124.200.35^{🇨🇳 CHINANET-Guizhou-Guian-IDC111.124.192.0/19}
TXT	`v=spf1 include:spf.163.com~all`
SOA	`ns13.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576585002

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774536957

Same first word

ctcentury.com

Similar names

tccentury.com

DNS History

4 records (3 active, 1 former)

●NSns13.xincache.com2015-06-17 → 2026-03-26 · 2 obs

● 2015-06-17 22:53:44
● 2026-03-26 15:23:28

●NSns14.xincache.com2015-06-17 → 2026-03-26 · 2 obs

● 2015-06-17 22:53:44
● 2026-03-26 15:23:28

○MXmx.mail.ym.163.com2015-06-17 → 2017-08-20 · 4 obs

● 2015-06-17 22:53:44
● 2017-08-20 07:58:16
○ 2026-02-25 18:40:40
○ 2026-03-26 15:23:28

●MXmx.ym.163.com2026-02-25 → 2026-03-26 · 3 obs

○ 2017-08-20 07:58:16
● 2026-02-25 18:40:40
● 2026-03-26 15:23:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctcentury.com	ns13.xincache.com, ns14.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns13.xincache.com, ns14.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctcentury.com (unsigned zone)

⏱️ Timing

Total: 160ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns14.xincache.com, ns13.xincache.com`
MX	1	`mx.ym.163.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com~all`
SOA	1	`ns13.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns13.xincache.com, ns13.xincache.com, ns13.xincache.com...)

Analysis

Name Servers

ctcentury.com is delegated to two name servers ns13.xincache.com and ns14.xincache.com.

ctcentury.com shares the same name server setup as other domains, for instance maxenergy.cn, bio-fer.com, hkplant.net, lihengzhou.com and world-biopharm.com.

ctcentury.com at least partially shares name servers with other domains, for instance ek56.com, shlive.net, yhlycq.com, jlsss.net and ccshj.net.

these name servers are often used together with ns11.xincache.com, ns12.xincache.com, ns19.xincache.com and ns20.xincache.com.

Eight IP numbers for a host:

ns13.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Seven IP numbers for a host:

ns14.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Mail Servers

ctcentury.com is handled by a single mail server, mx.ym.163.com.

ctcentury.com shares the same mail server setup as other domains, for instance stargazer.org.cn, 55ke.com, spacefish.cn, uvgoo.com and vmus.net.

ctcentury.com shares some mail servers with other domains, at least partially, for instance cnruitech.com, wendylash.com, jimetec.com, dalinicegroup.com and yndhvc.com.

these mail servers are often used alongside mxn.mxhichina.com, mxbiz1.qq.com and mxbiz2.qq.com.

mx.ym.163.com resolves to IP 111.124.200.35.

ctcentury.com - robtex.com

ctcentury.com

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