`jscntec.com`

DNSSEC	⚠️ Not signed
NS	`ns3.dnsv2.com` ⭐
		A	2402:4e00:1470:2::12^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.29^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.55^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	111.13.203.55^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.155^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.155^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	163.177.5.55^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
		A	220.196.136.55^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
NS	`ns4.dnsv2.com`
		A	2402:4e00:111:fff::f^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.30^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.55^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	36.155.149.55^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	49.7.107.155^{🇨🇳 CHINA-149.7.64.0/18 China Telecom Beijing Co. Ltd.}
		A	101.227.168.55^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	124.64.205.155^{🇨🇳 CHINA169-BJ124.64.205.0/24}
SOA	`ns3.dnsv2.com`level3dnsadmin@dnspod.com serial=1784794913

`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=1785401707

Same first word

jscntec.com

DNS History

2 records (2 active, 0 former)

●NSns3.dnsv2.com2026-05-03 → 2026-07-30 · 2 obs

● 2026-05-03 18:23:00
● 2026-07-30 09:22:02

●NSns4.dnsv2.com2026-05-03 → 2026-07-30 · 2 obs

● 2026-05-03 18:23:00
● 2026-07-30 09:22:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
jscntec.com	ns3.dnsv2.com, ns4.dnsv2.com	15 records

✅ Authoritative Response

Server:1.12.0.30

NS records: ns3.dnsv2.com, ns4.dnsv2.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jscntec.com (unsigned zone)

⏱️ Timing

Total: 189ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns3.dnsv2.com, ns4.dnsv2.com`
SOA	1	`ns3.dnsv2.com level3dnsadmin.dnspod.com`

📌 Glue Records Collected

Total: 15

Out-of-bailiwick: 15 (ns3.dnsv2.com, ns3.dnsv2.com, ns3.dnsv2.com...)

Analysis

Name Servers

jscntec.com is served by two delegated name servers, ns3.dnsv2.com and ns4.dnsv2.com.

jscntec.com has the same name server delegation as a number of other domains, such as 20it.cn, echosens.cn, cqipc.net and two more.

jscntec.com has at least partial name server overlap with other domains, such as niuche.com, ysb.cn, 7s5.cn and two others.

It is common to find these name servers paired with the name servers ns1.alidns.com, ns2.alidns.com, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

Host names resolving to 8 IP numbers:

ns3.dnsv2.com carries IP addresses 1.12.0.29, 1.13.76.55 and 111.13.203.55, with 5 other addresses beyond those.

Host names resolving to 7 IP numbers:

ns4.dnsv2.com carries IP addresses 1.12.0.30, 1.14.119.55 and 36.155.149.55, with 4 other addresses beyond those.

jscntec.com - robtex.com

jscntec.com

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