`20090722.cn`

DNSSEC	⚠️ Not signed
A	177.211.157.135^{🇧🇷 UNSPECIFIED160.0.0.0/3}
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=1774447803

`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=2034708553

Same first word

20090722.cn

DNS History

5 records (3 active, 2 former)

●NSdm1.longmingdns.com2026-03-21 → 2026-04-24 · 2 obs

● 2026-03-21 09:08:16
● 2026-04-24 23:34:52

●NSdm2.longmingdns.com2026-03-21 → 2026-04-24 · 2 obs

● 2026-03-21 09:08:16
● 2026-04-24 23:34:52

○A154.214.140.1772026-03-21 → 2026-04-24 · 2 obs

○ 2026-03-21 09:08:16
○ 2026-04-24 23:34:52

●A177.211.157.1352026-04-05 → 2026-04-24 · 3 obs

○ 2026-03-21 09:08:16
● 2026-04-05 02:56:00
● 2026-04-24 23:34:52

○A38.239.72.1142026-03-21 → 2026-03-21 · 3 obs

● 2026-03-21 09:08:16
○ 2026-04-05 02:56:00
○ 2026-04-24 23:34:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, d.dns.cn, e.dns.cn, c.dns.cn...	-
20090722.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:183.253.57.197

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 20090722.cn (unsigned zone)

⏱️ Timing

Total: 1830ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.211.157.135`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

20090722.cn maps to IP address 177.211.157.135.

Other host names, for instance zxc1993.com.cn, 666191.cn, eaaaa.cn, villia.cn and aa66aa.cn share IP numbers with 20090722.cn.

Name Servers

Two name servers dm1.longmingdns.com and dm2.longmingdns.com are delegated to 20090722.cn.

20090722.cn uses the same name server configuration as other domains, such as fy86e.cn, 7hainan.cn, pfcf.cn, tcax.cn and n3698.cn.

Host names by IP count:

Two IP numbers: The host name dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

One IP number: The host name dm1.longmingdns.com points to 218.98.111.163.

20090722.cn - robtex.com

20090722.cn

cn