`coolou.cn`

DNSSEC	⚠️ Not signed
A	172.80.55.227^{🇺🇸 ESITED-1172.80.0.0/17 ARIN direct allocation}
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=1757753829

`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=2034582795

Same first word

coolou.cn

Similar names

luocoo.com

loucoo.com

oucool.cn

oucool.com

uoocol.com

cooluo.com

DNS History

5 records (3 active, 2 former)

●NSdm1.longmingdns.com2026-02-18 → 2026-03-24 · 3 obs

○ 2016-11-19 04:08:10
● 2026-02-18 16:08:48
● 2026-03-24 18:10:34

●NSdm2.longmingdns.com2026-02-18 → 2026-03-24 · 3 obs

○ 2016-11-19 04:08:10
● 2026-02-18 16:08:48
● 2026-03-24 18:10:34

○NSf1g1ns1.dnspod.net2015-06-20 → 2016-11-19 · 4 obs

● 2015-06-20 19:40:00
● 2016-11-19 04:08:10
○ 2026-02-18 16:08:48
○ 2026-03-24 18:10:34

○NSf1g1ns2.dnspod.net2015-06-20 → 2016-11-19 · 4 obs

● 2015-06-20 19:40:00
● 2016-11-19 04:08:10
○ 2026-02-18 16:08:48
○ 2026-03-24 18:10:34

●A172.80.55.2272026-02-18 → 2026-03-24 · 2 obs

● 2026-02-18 16:08:48
● 2026-03-24 18:10:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, b.dns.cn, c.dns.cn, a.dns.cn...	-
coolou.cn	dm1.longmingdns.com, dm2.longmingdns.com	-

✅ Authoritative Response

Server:211.99.99.56

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 4326ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.80.55.227`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

coolou.cn points to IP number 172.80.55.227.

Other host names, for instance, yigenmenye.cn share IP numbers with coolou.cn.

Name Servers

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

coolou.cn uses the same name server setup as other domains such as qesi.cn, mhmanufacturing.cn, hccpa.com.cn, qwertyui.cn and xbchstny.cn.

Host names with two IP numbers:

The host name dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

Host names with one IP number:

The host name dm1.longmingdns.com points to 218.98.111.163.

coolou.cn - robtex.com

coolou.cn

cn