keycourse.com - dns.ninja

`keycourse.com`

DNSSEC	⚠️ Not signed
A	111.229.140.226^{🇨🇳 TENCENT-NET-AP111.229.128.0/18}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.122^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.121^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`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=1785781027

Same first word

keycourse.com

keycourse.net

Similar names

sourcekey.org

sourcekey.com

sourcekey.in

keysource.net

keysource.co.uk

keysource.biz

keysource.be

keysource.pro

keysource.com

keysource.fr

keysource.mobi

keysource.eu

keysource.org

coursekey.com

keysource.us

DNS History

8 records (3 active, 5 former)

●NSdns10.hichina.com2026-03-09 → 2026-08-03 · 3 obs

○ 2017-01-13 05:14:20
● 2026-03-09 00:57:54
● 2026-08-03 18:46:52

●NSdns9.hichina.com2026-03-09 → 2026-08-03 · 3 obs

○ 2017-01-13 05:14:20
● 2026-03-09 00:57:54
● 2026-08-03 18:46:52

○NSns19.domaincontrol.com2015-06-26 → 2017-01-13 · 5 obs

○ 2008-11-05 18:38:54
● 2015-06-26 04:50:44
● 2017-01-13 05:14:20
○ 2026-03-09 00:57:54
○ 2026-08-03 18:46:52

○NSns20.domaincontrol.com2015-06-26 → 2017-01-13 · 5 obs

○ 2008-11-05 18:38:54
● 2015-06-26 04:50:44
● 2017-01-13 05:14:20
○ 2026-03-09 00:57:54
○ 2026-08-03 18:46:52

○MXmailstore1.secureserver.net2015-06-26 → 2017-01-13 · 5 obs

○ 2008-11-05 18:38:54
● 2015-06-26 04:50:44
● 2017-01-13 05:14:20
○ 2026-03-09 00:57:54
○ 2026-08-03 18:46:52

○MXsmtp.secureserver.net2015-06-26 → 2017-01-13 · 5 obs

○ 2008-11-05 18:38:54
● 2015-06-26 04:50:44
● 2017-01-13 05:14:20
○ 2026-03-09 00:57:54
○ 2026-08-03 18:46:52

●A111.229.140.2262026-03-09 → 2026-08-03 · 3 obs

○ 2017-01-13 05:14:20
● 2026-03-09 00:57:54
● 2026-08-03 18:46:52

○A184.168.221.702015-06-26 → 2017-01-13 · 5 obs

○ 2008-11-05 18:38:54
● 2015-06-26 04:50:44
● 2017-01-13 05:14:20
○ 2026-03-09 00:57:54
○ 2026-08-03 18:46:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
keycourse.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keycourse.com (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`111.229.140.226`
NS	2	`dns9.hichina.com, dns10.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

IP Addresses

keycourse.com resolves to one IP address: 111.229.140.226.

Name Servers

The NS records for keycourse.com delegate to dns10.hichina.com and dns9.hichina.com.

keycourse.com uses the same name servers as several other domains — among them zhituxueyuan.com, tdi-e.com, jsetone.com and two more.

keycourse.com shares at least some of its name servers with other domains, including ajiazheng.com, sunbb.com, agylzuv.top and two others.

These name servers are frequently paired with the name servers expirens3.hichina.com and expirens4.hichina.com.

Hostnames that resolve to 9 IP addresses:

dns10.hichina.com maps to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 additional IP addresses.

dns9.hichina.com maps to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 additional IP addresses.