tech-cn.com - dns.ninja

`tech-cn.com`

DNSSEC	⚠️ Not signed
A	139.224.209.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
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	`ns12.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	`techcn-com01b.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00505.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr02cu00300.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.194.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf1.dm.aliyun.com -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1776817052

`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=1782897781

Subdomains

mail.tech-cn.com

Same first word

tech-cn.com

tech-cn.net

Similar names

cn-tech.ru

nc-tech.se

hcc-net.co.jp

nc-tech.co.jp

hcet-cn.com

nc-tech.net

hetc-cn.com

chc-net.co.jp

cn-tech.net

nc-tech.org

the-ncc.com

hcc-net.nl

hcc-net.ch

chn-etc.com

chc-net.de

cn-tech.de

nc-tech.de

the-ncc.org.uk

cn-tech.com

nc-tech.ru

ntc-hec.org.pk

the-cnc.com

chc-net.com

tech-nc.com

nc-tech.com.cn

DNS History

8 records (4 active, 4 former)

●NSns11.xincache.com2026-04-26 → 2026-07-01 · 3 obs

○ 2017-01-27 22:39:32
● 2026-04-26 19:34:12
● 2026-07-01 09:35:14

●NSns12.xincache.com2026-04-26 → 2026-07-01 · 3 obs

○ 2017-01-27 22:39:32
● 2026-04-26 19:34:12
● 2026-07-01 09:35:14

○NSns13.xincache.com2015-07-06 → 2017-01-27 · 4 obs

● 2015-07-06 21:12:28
● 2017-01-27 22:39:32
○ 2026-04-26 19:34:12
○ 2026-07-01 09:35:14

○NSns14.xincache.com2015-07-06 → 2017-01-27 · 4 obs

● 2015-07-06 21:12:28
● 2017-01-27 22:39:32
○ 2026-04-26 19:34:12
○ 2026-07-01 09:35:14

○MXhsmx3.cn4e.com2016-05-06 → 2017-01-27 · 5 obs

○ 2015-07-06 21:12:28
● 2016-05-06 18:19:24
● 2017-01-27 22:39:32
○ 2026-04-26 19:34:12
○ 2026-07-01 09:35:14

○MXmx140.cn4e.com2015-07-06 → 2017-01-27 · 4 obs

● 2015-07-06 21:12:28
● 2017-01-27 22:39:32
○ 2026-04-26 19:34:12
○ 2026-07-01 09:35:14

●MXtechcn-com01b.mail.protection.outlook.com2026-04-26 → 2026-07-01 · 3 obs

○ 2017-01-27 22:39:32
● 2026-04-26 19:34:12
● 2026-07-01 09:35:14

●A139.224.209.1132026-04-26 → 2026-07-01 · 2 obs

● 2026-04-26 19:34:12
● 2026-07-01 09:35:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net...	-
tech-cn.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tech-cn.com (unsigned zone)

⏱️ Timing

Total: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.224.209.113`
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	1	`techcn-com01b.mail.protection.outlook.co`
TXT	1	`v=spf1 include:spf1.dm.aliyun.com -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

Hierarchy

tech-cn.com is a parent domain of mail.tech-cn.com.

IP Addresses

tech-cn.com points to a single IP number: 139.224.209.113.

Name Servers

Two name servers handle the delegation for tech-cn.com: ns11.xincache.com and ns12.xincache.com.

tech-cn.com shares its name server setup with other domains, including gxjc.net, mesedoll.com, luhang56.com and two others.

tech-cn.com shares at least some of its name servers with other domains, including hqing.com, jmdongya.com, cnlanxing.com and two others.

These name servers are frequently seen alongside ns13.xincache.com, ns14.xincache.com, ns19.xincache.com and 7 other name servers.

Host names with 8 IP numbers:

ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.

Host names with 7 IP numbers:

ns12.xincache.com resolves to 1.12.0.1, 36.155.149.176 and 112.80.181.111 among others, with 4 other IP addresses in total.

Mail Servers

tech-cn.com has one mail server: techcn-com01b.mail.protection.outlook.com.

techcn-com01b.mail.protection.outlook.com points to 8 IP numbers: 52.101.10.2, 52.101.11.2, 52.101.194.3 and 5 other.