srtech-cn.com - dns.ninja

`srtech-cn.com`

DNSSEC	⚠️ Not signed
A	117.50.126.233^{🇨🇳 CHINA169-BJ117.50.96.0/19 China Telecom Beijing Co. Ltd.}
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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1617957895

`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=1786521039

Subdomains

www.srtech-cn.com

Same first word

srtech-cn.com

DNS History

9 records (5 active, 4 former)

●NSns11.xincache.com2026-02-21 → 2026-08-12 · 3 obs

○ 2020-03-31 20:40:02
● 2026-02-21 14:11:30
● 2026-08-12 08:16:22

●NSns12.xincache.com2026-02-21 → 2026-08-12 · 3 obs

○ 2020-03-31 20:40:02
● 2026-02-21 14:11:30
● 2026-08-12 08:16:22

○NSns3.xrnet.cn2015-08-12 → 2020-03-31 · 4 obs

● 2015-08-12 02:13:32
● 2020-03-31 20:40:02
○ 2026-02-21 14:11:30
○ 2026-08-12 08:16:22

○NSns4.xrnet.cn2015-08-12 → 2020-03-31 · 4 obs

● 2015-08-12 02:13:32
● 2020-03-31 20:40:02
○ 2026-02-21 14:11:30
○ 2026-08-12 08:16:22

●MXmxbiz1.qq.com2015-08-12 → 2026-08-12 · 2 obs

● 2015-08-12 02:13:32
● 2026-08-12 08:16:22

●MXmxbiz2.qq.com2015-08-12 → 2026-08-12 · 2 obs

● 2015-08-12 02:13:32
● 2026-08-12 08:16:22

●A117.50.126.2332026-02-21 → 2026-08-12 · 3 obs

○ 2020-03-31 20:40:02
● 2026-02-21 14:11:30
● 2026-08-12 08:16:22

○A180.86.6.562020-03-31 → 2020-03-31 · 4 obs

○ 2017-03-18 13:45:56
● 2020-03-31 20:40:02
○ 2026-02-21 14:11:30
○ 2026-08-12 08:16:22

○A203.158.16.632015-08-12 → 2017-03-18 · 4 obs

● 2015-08-12 02:13:32
● 2017-03-18 13:45:56
○ 2020-03-31 20:40:02
○ 2026-08-12 08:16:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
srtech-cn.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 314ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.50.126.233`
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.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

www.srtech-cn.com is a subdomain of srtech-cn.com.

IP Addresses

srtech-cn.com resolves to just one IP address, 117.50.126.233.

Two other host names, along with evernewtex.com, www.dxcn.net and zhongxi-sh.com, also share IP numbers with srtech-cn.com.

Name Servers

srtech-cn.com uses two name servers for its delegation: ns11.xincache.com and ns12.xincache.com.

srtech-cn.com shares its NS records with other domains, for example yitaigroup.com, rccat.cn, yzspdq.com and two others.

The name servers of srtech-cn.com overlap at least partially with those of other domains — among them nbcolet.com, ddlhkj.com, xjstp.com and two more.

These name servers commonly appear in delegations together with ns19.xincache.com, ns20.xincache.com, ns13.xincache.com and 7 other.

DNS names with 8 IP addresses:

Hostname ns11.xincache.com directs to 1.12.0.4, 36.155.149.180 and 112.80.181.45 along with 5 other IP addresses.

DNS names with 7 IP addresses:

Hostname ns12.xincache.com directs to 1.12.0.1, 36.155.149.176 and 112.80.181.111 along with 4 other IP addresses.

Mail Servers

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

Among the domains sharing a mail server setup with srtech-cn.com are globalscanner.com, redblacknet.com, weilan.com.cn and two others.

There is at least a partial MX overlap between srtech-cn.com and other domains, including libaiguli.com.cn, hcgjsz.com, shsctec.com and two others.