findingcourse.com - dns.ninja

`findingcourse.com`

DNSSEC	⚠️ Not signed
A	222.73.219.12^{🇨🇳 SHANGHAITELECOM222.73.0.0/16 Chinanet Shanghai}
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,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1786496884

Same first word

findingcourse.com

DNS History

5 records (5 active, 0 former)

●NSdns10.hichina.com2016-12-18 → 2026-08-12 · 2 obs

● 2016-12-18 21:41:44
● 2026-08-12 01:26:56

●NSdns9.hichina.com2016-12-18 → 2026-08-12 · 2 obs

● 2016-12-18 21:41:44
● 2026-08-12 01:26:56

●MXmxbiz1.qq.com2016-12-18 → 2026-08-12 · 2 obs

● 2016-12-18 21:41:44
● 2026-08-12 01:26:56

●MXmxbiz2.qq.com2016-12-18 → 2026-08-12 · 2 obs

● 2016-12-18 21:41:44
● 2026-08-12 01:26:56

●A222.73.219.122016-12-18 → 2026-08-12 · 2 obs

● 2016-12-18 21:41:44
● 2026-08-12 01:26:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
findingcourse.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for findingcourse.com (unsigned zone)

⏱️ Timing

Total: 529ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`222.73.219.12`
NS	2	`dns10.hichina.com, dns9.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
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

findingcourse.com points to a single IP number: 222.73.219.12.

Name Servers

findingcourse.com is served by two delegated name servers, dns10.hichina.com and dns9.hichina.com.

findingcourse.com shares its name server setup with other domains, including ykbh.com, xatw.com, pku-space.cn and two others.

findingcourse.com has some name servers in common with other domains such as fury.cn, mediclink.com and 21cc.com

It is common to see these name servers used together with name servers ns1.alidns.com and ns2.alidns.com.

Host names with 9 IP numbers:

dns10.hichina.com carries IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, with 6 other addresses beyond those.

dns9.hichina.com carries IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, with 6 other addresses beyond those.

Mail Servers

findingcourse.com has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

findingcourse.com shares the same mail server setup as other domains, including yrz2000.com, 027taihe.com, cqsoft.org and two others.

findingcourse.com shares mail servers — at least in part — with other domains, including hingtex.com, rebuvew-tw.cfd, chinaant.cn and two others.