`leadexsystem.com`

DNSSEC	⚠️ Not signed
A	180.76.132.188^{🇨🇳 Baidu180.76.128.0/19}
NS	`ns1.cnolnic.com` ⭐
		A	240c:4082:0:5d01::4^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.208.18^{🇨🇳 Baidu106.12.208.0/20 AS38365}
		A	218.5.79.117^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
NS	`ns2.cnolnic.com`
		A	240c:4082:0:5d01::5^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	218.5.79.98^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
MX	`mxa166g.chinaemail.cn` ⭐
MX	`mx166g.chinaemail.cn`⁽¹⁰⁾
TXT	`v=spf1 include:spf.chinaemail.cn -all`
SOA	`ns1.cnolnic.com`root@cnolnic.net 2006-11-24 #1

`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=1771291435

Subdomains

www.leadexsystem.com

Same first word

leadexsystem.com

DNS History

10 records (5 active, 5 former)

●NSns1.cnolnic.com2015-08-01 → 2026-03-20 · 2 obs

● 2015-08-01 05:35:32
● 2026-03-20 02:54:48

●NSns2.cnolnic.com2015-08-01 → 2026-03-20 · 2 obs

● 2015-08-01 05:35:32
● 2026-03-20 02:54:48

●MXmx166g.chinaemail.cn2020-02-27 → 2026-03-20 · 3 obs

○ 2016-07-08 07:51:12
● 2020-02-27 07:20:10
● 2026-03-20 02:54:48

●MXmxa166g.chinaemail.cn2020-02-27 → 2026-03-20 · 3 obs

○ 2016-07-08 07:51:12
● 2020-02-27 07:20:10
● 2026-03-20 02:54:48

○MXmxbiz1.qq.com2015-08-01 → 2016-07-08 · 4 obs

● 2015-08-01 05:35:32
● 2016-07-08 07:51:12
○ 2020-02-27 07:20:10
○ 2026-03-20 02:54:48

○MXmxbiz2.qq.com2015-08-01 → 2016-07-08 · 4 obs

● 2015-08-01 05:35:32
● 2016-07-08 07:51:12
○ 2020-02-27 07:20:10
○ 2026-03-20 02:54:48

○A139.217.27.2032016-03-14 → 2016-07-08 · 5 obs

○ 2015-11-23 02:32:58
● 2016-03-14 03:14:34
● 2016-07-08 07:51:12
○ 2020-02-27 07:20:10
○ 2026-03-20 02:54:48

●A180.76.132.1882026-02-16 → 2026-03-20 · 3 obs

○ 2020-02-27 07:20:10
● 2026-02-16 15:56:10
● 2026-03-20 02:54:48

○A180.76.132.2102020-02-27 → 2020-02-27 · 4 obs

○ 2016-07-08 07:51:12
● 2020-02-27 07:20:10
○ 2026-02-16 15:56:10
○ 2026-03-20 02:54:48

○A218.5.79.362015-08-01 → 2015-11-23 · 4 obs

● 2015-08-01 05:35:32
● 2015-11-23 02:32:58
○ 2016-03-14 03:14:34
○ 2026-03-20 02:54:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
leadexsystem.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server: 106.12.208.18

NS records: ns1.cnolnic.com, ns2.cnolnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leadexsystem.com (unsigned zone)

⏱️ Timing

Total: 3599ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.76.132.188`
NS	2	`ns1.cnolnic.com, ns2.cnolnic.com`
MX	2	`mx166g.chinaemail.cn (pri: 10), mxa166g.chinaemail.cn (pri: 5)`
TXT	1	`v=spf1 include:spf.chinaemail.cn -all`
SOA	1	`ns1.cnolnic.com root.cnolnic.net`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cnolnic.com, ns1.cnolnic.com, ns1.cnolnic.com...)

Analysis

Hierarchy

leadexsystem.com is parent of www.leadexsystem.com.

IP Addresses

leadexsystem.com points to a single IP: 180.76.132.188.

Other host names, for instance zqnic.net, kingcitm.com, ahlt.com.cn, zjtianruiyeya.com and xcba.net share IP numbers with leadexsystem.com.

Name Servers

leadexsystem.com's delegation is to two name servers ns1.cnolnic.com and ns2.cnolnic.com.

leadexsystem.com shares the same name server configuration as other domains, such as dofama.cn, fsyd.com.cn, mydongfang.net, zisem.cn and xcfuse.com.

leadexsystem.com shares name servers with other domains to at least some extent, for instance syachi.cn and yongyi.net.

These name servers are commonly used alongside ns3.cnolnic.com and ns4.cnolnic.com.

Host names with three IP numbers

The host name ns1.cnolnic.com points to 240c:4082:0:5d01::4, 106.12.208.18 and 218.5.79.117; the host name ns2.cnolnic.com points to 240c:4082:0:5d01::5, 106.12.205.190 and 218.5.79.98

Mail Servers

Two mail servers mx166g.chinaemail.cn and mxa166g.chinaemail.cn handle leadexsystem.com.

leadexsystem.com uses the same mail server setup as other domains such as yinyanmodel.com, minwe.com, apextrend.com, sinostone.cn and kingcredie.com.

leadexsystem.com shares at least some mail servers with other domains, for instance cocogd.com and welld.net.

These mail servers are often used alongside the mail servers mxdomain.qq.com.

leadexsystem.com - robtex.com