`40cm.cn`

DNSSEC	⚠️ Not signed
A	45.194.201.186^{🇭🇰 HDHK45.194.200.0/21 Proxy-registered route object}
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 Proxy-registered route object}
SOA	`dm1.longmingdns.com`dnsadmin@longmingdns.com serial=1774697691

`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=2034670570

Same first word

40cm.cn

Similar names

0cm4.co.jp

cm04.de

mc04.com

m4c0.com

m40c.xyz

DNS History

4 records (3 active, 1 former)

●NSdm1.longmingdns.com2026-02-19 → 2026-04-14 · 2 obs

● 2026-02-19 15:06:50
● 2026-04-14 20:05:22

●NSdm2.longmingdns.com2026-02-19 → 2026-04-14 · 2 obs

● 2026-02-19 15:06:50
● 2026-04-14 20:05:22

○A177.210.61.1862026-02-19 → 2026-02-19 · 3 obs

● 2026-02-19 15:06:50
○ 2026-04-10 02:41:54
○ 2026-04-14 20:05:22

●A45.194.201.1862026-04-10 → 2026-04-14 · 3 obs

○ 2026-02-19 15:06:50
● 2026-04-10 02:41:54
● 2026-04-14 20:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
40cm.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:211.99.99.56

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 40cm.cn (unsigned zone)

⏱️ Timing

Total: 1670ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.194.201.186`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

40cm.cn resolves to one IP number: 45.194.201.186.

Other host names such as dlmbook.com.cn and kir1.cn share IP numbers with 40cm.cn.

Name Servers

40cm.cn is delegated to two name servers dm1.longmingdns.com and dm2.longmingdns.com.

40cm.cn shares the same name server setup as other domains, for instance 63pu.cn, qr0579.cn, yz-hm.cn, hbbhhbh.cn and fou55.cn.

Two IP numbers for a host: dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

One IP number for a host: dm1.longmingdns.com points to 218.98.111.163.

40cm.cn - robtex.com

40cm.cn

cn