`doucuo.cn`

DNSSEC	⚠️ Not signed
A	38.33.203.89^{🇺🇸 PEGTECHINC38.33.192.0/18 PEG TECH INC}
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=1763303355

`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=2034586920

Same first word

doucuo.cn

Similar names

couduo.com

doocuu.com

doucou.com

DNS History

10 records (3 active, 7 former)

●NSdm1.longmingdns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2015-11-15 08:39:54
● 2026-03-25 22:29:12

●NSdm2.longmingdns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2015-11-15 08:39:54
● 2026-03-25 22:29:12

○NSf1g1ns1.dnspod.net2015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 11:20:40
○ 2015-11-15 08:39:54
○ 2026-03-25 22:29:12

○MXmail.skrimple.com2016-06-20 → 2017-01-29 · 3 obs

● 2016-06-20 00:50:48
● 2017-01-29 23:51:24
○ 2026-03-25 22:29:12

○A103.51.144.812017-01-29 → 2017-01-29 · 3 obs

○ 2016-06-20 00:50:48
● 2017-01-29 23:51:24
○ 2026-03-25 22:29:12

○A123.254.111.1902015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 11:20:40
○ 2015-11-15 08:39:54
○ 2026-03-25 22:29:12

○A124.16.31.1462015-11-15 → 2015-11-15 · 4 obs

○ 2015-07-19 11:20:40
● 2015-11-15 08:39:54
○ 2016-06-20 00:50:48
○ 2026-03-25 22:29:12

○A184.105.178.892016-06-20 → 2016-06-20 · 4 obs

○ 2015-11-15 08:39:54
● 2016-06-20 00:50:48
○ 2017-01-29 23:51:24
○ 2026-03-25 22:29:12

●A38.33.203.892026-03-25 → 2026-03-25 · 2 obs

○ 2017-01-29 23:51:24
● 2026-03-25 22:29:12

○CNAMEcname.ok365.com2015-11-15 → 2015-11-15 · 3 obs

● 2015-11-15 08:39:54
○ 2016-06-20 00:50:48
○ 2026-03-25 22:29:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
doucuo.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 doucuo.cn (unsigned zone)

⏱️ Timing

Total: 1911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.33.203.89`
NS	2	`dm1.longmingdns.com, dm2.longmingdns.com`
SOA	1	`dm1.longmingdns.com dnsadmin.longmingdns`

Analysis

IP Addresses

doucuo.cn points to an IP address: 38.33.203.89.

other host names include tvme.cn, wonderfultime.com.cn, yhsmwlc.cn, 922.org.cn and www.yhsmwlc.cn; they share IP numbers with doucuo.cn.

Name Servers

Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle the delegation for doucuo.cn.

doucuo.cn shares the same name server setup as other domains, for instance 515255.cn, zghuaxian.cn, ahjunwei.cn, taobake.cn and 1-online.cn.

Host names with two IP numbers: dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.

Host names with one IP number: dm1.longmingdns.com points to 218.98.111.163.

doucuo.cn - robtex.com

doucuo.cn

cn