ctr.com.cn - dns.ninja

`ctr.com.cn`

DNSSEC	⚠️ Not signed
A	120.133.2.80^{🇨🇳 CMNET-BEIJING-AP120.133.0.0/20 CMI (Customer Route)}
NS	`ns11.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	`ce1.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		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	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		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	`ce2.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	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
MX	`mx1.zmail300.cn` ⭐
		A	117.50.175.134^{🇨🇳 CHINA169-BJ117.50.160.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`51xgm.com`
			PTR	`hhseek.com`
MX	`mx.zmail300.cn`⁽⁵⁰⁾
		A	101.237.133.34^{🇨🇳 CHINA-1101.237.128.0/20 China Telecom Beijing Co. Ltd.}
			PTR	`outhb2.global-mail.cn`
TXT	`v=spf1 include:spfv.zmail300.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1780367628

`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=2030607966

WOT: NOT_SAFE (20/100)

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DNS History

14 records (6 active, 8 former)

○NSce1.dns.com2019-03-07 → 2019-03-07 · 4 obs

○ 2017-01-11 22:32:20
● 2019-03-07 02:16:50
○ 2026-04-09 07:26:30
○ 2026-06-04 14:06:52

●NSce1.xincache.com2026-04-09 → 2026-06-04 · 3 obs

○ 2019-03-07 02:16:50
● 2026-04-09 07:26:30
● 2026-06-04 14:06:52

○NSce2.dns.com2019-03-07 → 2019-03-07 · 4 obs

○ 2017-01-11 22:32:20
● 2019-03-07 02:16:50
○ 2026-04-09 07:26:30
○ 2026-06-04 14:06:52

●NSce2.xincache.com2026-04-09 → 2026-06-04 · 3 obs

○ 2019-03-07 02:16:50
● 2026-04-09 07:26:30
● 2026-06-04 14:06:52

○NSns1.ce.net.cn2015-06-16 → 2017-01-11 · 4 obs

● 2015-06-16 13:38:40
● 2017-01-11 22:32:20
○ 2019-03-07 02:16:50
○ 2026-06-04 14:06:52

●NSns11.xincache.com2026-04-09 → 2026-06-04 · 3 obs

○ 2019-03-07 02:16:50
● 2026-04-09 07:26:30
● 2026-06-04 14:06:52

●MXmx.zmail300.cn2015-06-16 → 2026-06-04 · 6 obs

● 2015-06-16 13:38:40
● 2019-03-07 02:16:50
○ 2026-04-09 07:26:30
○ 2026-05-26 10:29:10
● 2026-06-04 07:49:12
● 2026-06-04 14:06:52

●MXmx1.zmail300.cn2015-06-16 → 2026-06-04 · 6 obs

● 2015-06-16 13:38:40
● 2019-03-07 02:16:50
○ 2026-04-09 07:26:30
○ 2026-05-26 10:29:10
● 2026-06-04 07:49:12
● 2026-06-04 14:06:52

○MXmxf.zmail300.cn2026-04-09 → 2026-05-26 · 5 obs

○ 2019-03-07 02:16:50
● 2026-04-09 07:26:30
● 2026-05-26 10:29:10
○ 2026-06-04 07:49:12
○ 2026-06-04 14:06:52

○MXmxf1.zmail300.cn2026-04-09 → 2026-05-26 · 5 obs

○ 2019-03-07 02:16:50
● 2026-04-09 07:26:30
● 2026-05-26 10:29:10
○ 2026-06-04 07:49:12
○ 2026-06-04 14:06:52

●A120.133.2.802026-04-09 → 2026-06-04 · 3 obs

○ 2019-03-07 02:16:50
● 2026-04-09 07:26:30
● 2026-06-04 14:06:52

○A125.67.237.1632019-03-07 → 2019-03-07 · 4 obs

○ 2017-01-11 22:32:20
● 2019-03-07 02:16:50
○ 2026-04-09 07:26:30
○ 2026-06-04 14:06:52

○A61.157.96.742015-06-16 → 2016-09-26 · 4 obs

● 2015-06-16 13:38:40
● 2016-09-26 05:16:28
○ 2017-01-11 22:32:20
○ 2026-06-04 14:06:52

○A61.157.96.772017-01-11 → 2017-01-11 · 4 obs

○ 2016-09-26 05:16:28
● 2017-01-11 22:32:20
○ 2019-03-07 02:16:50
○ 2026-06-04 14:06:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
ctr.com.cn	ce1.xincache.com, ce2.xincache.com	-

✅ Authoritative Response

Server:117.89.178.184

NS records: ce1.xincache.com, ce2.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctr.com.cn (unsigned zone)

⏱️ Timing

Total: 3162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`120.133.2.80`
NS	2	`ce1.xincache.com, ce2.xincache.com`
MX	2	`mx.zmail300.cn (pri: 5), mx1.zmail300.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.zmail300.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

IP Addresses

ctr.com.cn has exactly one IP address — 120.133.2.80.

xn--rryocv3n.com, smza.net, ctis.xn--ses554g plus two other host names have IP numbers in common with ctr.com.cn.

Name Servers

ctr.com.cn is served by three name servers: ce1.xincache.com, ce2.xincache.com and ns11.xincache.com.

The name servers of ctr.com.cn overlap at least partially with those of other domains — among them gsflcp.com, inda.com.cn, hnsggzy.org and two more.

These name servers tend to appear in conjunction with ns12.xincache.com, ns19.xincache.com, ns20.xincache.com and seven others.

Hosts with 8 IP addresses each:

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

Hosts with 7 IP addresses each:

ce1.xincache.com directs to 1.12.0.4, 112.80.181.45, 117.89.178.173 and four more IP addresses.

Hosts with 6 IP addresses each:

ce2.xincache.com resolves to 1.12.0.1, 117.89.178.184 and 117.135.128.235, along with three other IP addresses.

ns11.xincache.com and ce1.xincache.com each have 2402:4e00:1470:2::e IP addresses.

ns11.xincache.com and ce1.xincache.com each have 1.12.0.4 IP addresses.

ns11.xincache.com and ce1.xincache.com each have 112.80.181.45 IP addresses.

ns11.xincache.com and ce1.xincache.com each have 117.89.178.173 IP addresses.

ns11.xincache.com and ce1.xincache.com each have 125.94.59.210 IP addresses.

ns11.xincache.com and ce1.xincache.com each have 129.211.176.209 IP addresses.

ce1.xincache.com and ce2.xincache.com each have 117.135.128.235 IP addresses.

Mail Servers

ctr.com.cn uses two mail servers, mx1.zmail300.cn and mx.zmail300.cn.

The mail server setup of ctr.com.cn matches that of other domains such as bjboji.com, hqkc.com.cn, lndy.top and two others.

At least some of the mail servers used by ctr.com.cn are shared with other domains: huaxingcable.cn, chinaguohao.cn, dgyinfeng.com and two others among them.

The mail servers mxw.zmail300.cn, hwmx.zmail300.cn and mxv.zmail300.cn are commonly used alongside these mail servers.

Both mx1.zmail300.cn and mx.zmail300.cn have a single IP address each — mx1.zmail300.cn resolves to 117.50.175.134 while mx.zmail300.cn resolves to 101.237.133.34.