`z3756.cn`

DNSSEC	⚠️ Not signed
NS	`dm1.longmingdns.com` ⭐
		A	218.98.111.163^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`dm2.longmingdns.com`
		A	183.253.57.197^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.56^{🇨🇳 DONGGUAN-1211.99.99.0/24}
SOA	`dm1.longmingdns.com`dnsadmin@longmingdns.com serial=1781093306

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035166044

Same first word

z3756.cn

Similar names

z6357.com

z6537.com

3765z.com

z6375.com

z6357.cn

z5376.com

DNS History

3 records (2 active, 1 former)

●NSdm1.longmingdns.com2026-04-01 → 2026-08-11 · 2 obs

● 2026-04-01 17:25:56
● 2026-08-11 04:04:30

●NSdm2.longmingdns.com2026-04-01 → 2026-08-11 · 2 obs

● 2026-04-01 17:25:56
● 2026-08-11 04:04:30

○A177.210.57.2462026-04-01 → 2026-05-16 · 4 obs

● 2026-04-01 17:25:56
● 2026-05-16 04:57:22
○ 2026-08-10 00:09:00
○ 2026-08-11 04:04:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
z3756.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:218.98.111.163

NS records: dm1.longmingdns.com, dm2.longmingdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for z3756.cn (unsigned zone)

⏱️ Timing

Total: 1819ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

Name Servers

z3756.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.

z3756.cn shares its NS records with other domains, for example lidealexe.cn, wfjtzz.cn, shxinbo.com.cn and two others.

Host names that have two IP addresses:

dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

Host names that point to one IP address:

dm1.longmingdns.com points to 218.98.111.163.

z3756.cn - robtex.com

z3756.cn

cn