`51semicon.com`

DNSSEC	⚠️ Not signed
A	118.25.103.86^{🇨🇳 TENCENT-NET-AP118.25.100.0/22}
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}
SOA	`ns11.xincache.com`ns12@xincache.com serial=1722328161

`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=1774376642

Same first word

51semicon.com

DNS History

4 records (3 active, 1 former)

●NSns11.xincache.com2016-12-15 → 2026-03-24 · 2 obs

● 2016-12-15 08:08:52
● 2026-03-24 18:32:40

●NSns12.xincache.com2016-12-15 → 2026-03-24 · 2 obs

● 2016-12-15 08:08:52
● 2026-03-24 18:32:40

●A118.25.103.862026-02-15 → 2026-03-24 · 3 obs

○ 2017-06-19 05:20:00
● 2026-02-15 04:43:42
● 2026-03-24 18:32:40

○A119.10.96.182016-12-15 → 2017-06-19 · 4 obs

● 2016-12-15 08:08:52
● 2017-06-19 05:20:00
○ 2026-02-15 04:43:42
○ 2026-03-24 18:32:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51semicon.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 51semicon.com (unsigned zone)

⏱️ Timing

Total: 141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.25.103.86`
NS	2	`ns11.xincache.com, ns12.xincache.com`
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

IP Addresses

51semicon.com points to IP number: 118.25.103.86.

Name Servers

51semicon.com is delegated to two name servers: ns11.xincache.com and ns12.xincache.com.

51semicon.com shares the same name server setup as oceanchemical.com, qsmac.com, wlmqrs.cn, xiaojinjingqd.com and jcccn.cn.

51semicon.com at least partially shares name servers with other domains, for instance jxwomen.org.cn, wxclouds.cn, tianhekangxing.com, zgcxjrb.com and titanlux.cn.

These name servers are commonly used alongside ns13.xincache.com, ns14.xincache.com, ns19.xincache.com, ns20.xincache.com, ns17.xincache.com, ns18.xincache.com, ce1.xincache.com, ce2.xincache.com, ns15.xincache.com and ns16.xincache.com.

Eight IP numbers: ns11.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: ns12.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.

51semicon.com - robtex.com

51semicon.com

com