contech-development.com - dns.ninja

`contech-development.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	`ns17.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	`ns18.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}
SOA	`ns11.xincache.com`ns12@xincache.com serial=1715134774

`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=1783905922

Same first word

contech-development.com

DNS History

8 records (4 active, 4 former)

●NSns11.xincache.com2026-03-21 → 2026-07-13 · 3 obs

○ 2015-06-16 06:44:04
● 2026-03-21 14:41:28
● 2026-07-13 01:38:06

●NSns17.xincache.com2015-06-16 → 2026-07-13 · 2 obs

● 2015-06-16 06:44:04
● 2026-07-13 01:38:06

●NSns18.xincache.com2015-06-16 → 2026-07-13 · 2 obs

● 2015-06-16 06:44:04
● 2026-07-13 01:38:06

○A101.251.99.242015-06-16 → 2016-02-06 · 4 obs

● 2015-06-16 06:44:04
● 2016-02-06 18:28:22
○ 2016-05-03 21:41:24
○ 2026-07-13 01:38:06

●A117.50.126.2332026-03-21 → 2026-07-13 · 3 obs

○ 2019-12-30 14:30:38
● 2026-03-21 14:41:28
● 2026-07-13 01:38:06

○A119.10.36.322017-02-14 → 2017-02-14 · 4 obs

○ 2016-05-03 21:41:24
● 2017-02-14 05:46:36
○ 2019-12-30 14:30:38
○ 2026-07-13 01:38:06

○A120.133.3.1232019-12-30 → 2019-12-30 · 4 obs

○ 2017-02-14 05:46:36
● 2019-12-30 14:30:38
○ 2026-03-21 14:41:28
○ 2026-07-13 01:38:06

○A61.152.144.982016-05-03 → 2016-05-03 · 4 obs

○ 2016-02-06 18:28:22
● 2016-05-03 21:41:24
○ 2017-02-14 05:46:36
○ 2026-07-13 01:38:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contech-development.com	ns17.xincache.com, ns18.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contech-development.com (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.50.126.233`
NS	2	`ns18.xincache.com, ns17.xincache.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns17.xincache.com, ns17.xincache.com, ns17.xincache.com...)

Analysis

IP Addresses

contech-development.com points to a single IP number: 117.50.126.233.

Additional host names — maplesphereot.com, whzajt.com, fengtongpower.com and two others — share IP numbers with contech-development.com.

Name Servers

contech-development.com has three name servers — ns11.xincache.com, ns17.xincache.com and ns18.xincache.com.

The name servers of contech-development.com overlap at least partially with those of other domains — among them ztrolls.com, scxydled.com, swiss-military.cn and two more.

These name servers commonly appear in delegations together with ns12.xincache.com, ns13.xincache.com, ns14.xincache.com and 7 other.

Host names with 8 IP numbers:

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

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

Host names with 7 IP numbers:

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

The host names ns11.xincache.com and ns17.xincache.com both resolve to 2402:4e00:1470:2::e IP addresses.

The host names ns11.xincache.com and ns17.xincache.com both resolve to 2402:4e00:1730::e IP addresses.

The host names ns11.xincache.com and ns17.xincache.com both resolve to 1.12.0.4 IP addresses.

The host names ns11.xincache.com and ns17.xincache.com both resolve to 36.155.149.180 IP addresses.

The host names ns11.xincache.com and ns17.xincache.com both resolve to 112.80.181.45 IP addresses.

The host names ns11.xincache.com and ns17.xincache.com both resolve to 117.89.178.173 IP addresses.

The host names ns11.xincache.com and ns17.xincache.com both resolve to 125.94.59.210 IP addresses.

The host names ns11.xincache.com and ns17.xincache.com both resolve to 129.211.176.209 IP addresses.