koocdn.com - dns.ninja

`koocdn.com`

DNSSEC	⚠️ Not signed
NS	`ns3.dnsv4.com` ⭐
		A	2402:4e00:1470:2::10^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.24^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.12.0.25^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.53^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.53^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	43.134.249.54^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	124.64.205.153^{🇨🇳 CHINA169-BJ124.64.205.0/24}
		A	125.94.59.153^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
NS	`ns4.dnsv4.com`
		A	2402:4e00:111:fff::d^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.23^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.12.0.26^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	43.130.172.54^{🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	49.7.107.153^{🇨🇳 CHINA-149.7.64.0/18 China Telecom Beijing Co. Ltd.}
		A	101.227.168.53^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.13.203.53^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.153^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
		A	163.177.5.53^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
		A	220.196.136.53^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
TXT	`globalsign-domain-verification=-flLrGFi2FJf1lrAWS4dRzkEICsFOUkr9DegoK8sTa`
SOA	`ns3.dnsv4.com`enterprise2dnsadmin@dnspod.com serial=1780388391

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783167001

📈 Tranco rank: #595,529

Subdomains

static.koocdn.com

daxueui-oss.koocdn.com

daxue-cos.koocdn.com

daxue-oss.koocdn.com

teacher.koocdn.com

daxueui-osstest.koocdn.com

daxueui-cos.koocdn.com

Same first word

koocdn.com

koocdn.cn

Similar names

docnok.com

condok.org

nokdoc.github.io

nocdok.com

condok.de

kcondo.com

nodock.com

nodock.io

nokdoc.com

dokcon.com

condok.info

cdkoon.com

kcondo.or.kr

dncook.cn

condok.net

condok.com

konodc.com

dockon.com

ookcdn.ru

ondock.com

kondoc.com

DNS History

2 records (2 active, 0 former)

●NSns3.dnsv4.com2016-12-17 → 2026-07-04 · 2 obs

● 2016-12-17 14:05:24
● 2026-07-04 12:10:56

●NSns4.dnsv4.com2016-12-17 → 2026-07-04 · 2 obs

● 2016-12-17 14:05:24
● 2026-07-04 12:10:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koocdn.com	ns3.dnsv4.com, ns4.dnsv4.com	18 records

✅ Authoritative Response

Server:1.12.0.23

NS records: ns3.dnsv4.com, ns4.dnsv4.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koocdn.com (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns3.dnsv4.com, ns4.dnsv4.com`
TXT	1	`globalsign-domain-verification=-flLrGFi2`
SOA	1	`ns3.dnsv4.com enterprise2dnsadmin.dnspod`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns3.dnsv4.com, ns3.dnsv4.com, ns3.dnsv4.com...)

Analysis

Hierarchy

static.koocdn.com, daxueui-oss.koocdn.com, daxue-cos.koocdn.com, daxue-oss.koocdn.com, teacher.koocdn.com and a few other host names are all children of koocdn.com.

Name Servers

koocdn.com has two authoritative name servers — ns3.dnsv4.com and ns4.dnsv4.com.

koocdn.com uses the same name servers as several other domains — among them love8.ltd, jfgou.com, stkouyu.com and two more.

The name servers of koocdn.com overlap at least partially with those of other domains — among them mdut.cn, overseagslb.com, groupchat.top and two more.

These name servers commonly appear in delegations together with vip3.alidns.com, vip4.alidns.com, f1g1ns1.dnspod.net and 3 other.

Hostnames that resolve to 10 IP addresses:

ns4.dnsv4.com points to 1.12.0.23, 1.12.0.26, 43.130.172.54 and 7 other IP addresses.

Hostnames that resolve to 8 IP addresses:

ns3.dnsv4.com points to 1.12.0.24, 1.12.0.25, 1.13.76.53 and 5 other IP addresses.