`coursehr.com`

DNSSEC	⚠️ Not signed
A	154.215.204.111^{🇭🇰 HDHK154.215.192.0/20 Proxy-registered route object}
NS	`a.share-dns.com` ⭐
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net`
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1748607563

`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=1774374827

Same first word

coursehr.com

Similar names

hrcourse.ru

hrsource.co

crushore.com

serrucho.org

rhsource.com

rushcore.com

sourcehr.com

hrsource.info

hrsource.biz

sourcerh.com

hrcourse.com

hrsource.org

sourcehr.co.nz

sourcehr.co

erocrush.com

DNS History

5 records (3 active, 2 former)

●NSa.share-dns.com2026-02-15 → 2026-03-24 · 3 obs

○ 2019-12-17 20:09:32
● 2026-02-15 04:42:48
● 2026-03-24 18:14:40

●NSb.share-dns.net2026-02-15 → 2026-03-24 · 3 obs

○ 2019-12-17 20:09:32
● 2026-02-15 04:42:48
● 2026-03-24 18:14:40

○NSdns10.hichina.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 20:09:32
○ 2026-02-15 04:42:48
○ 2026-03-24 18:14:40

○NSdns9.hichina.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 20:09:32
○ 2026-02-15 04:42:48
○ 2026-03-24 18:14:40

●A154.215.204.1112026-02-15 → 2026-03-24 · 2 obs

● 2026-02-15 04:42:48
● 2026-03-24 18:14:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursehr.com	a.share-dns.com, b.share-dns.net	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: a.share-dns.com, b.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursehr.com (unsigned zone)

⏱️ Timing

Total: 307ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.215.204.111`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a.share-dns.com)

Analysis

IP Addresses

coursehr.com resolves to one IP number: 154.215.204.111.

Name Servers

coursehr.com is delegated to two name servers a.share-dns.com and b.share-dns.net.

coursehr.com shares the same name server setup as other domains, for instance waihuifanjin.com, 3002p.com, victorapex.com, yshuihong.com and av231.com.

coursehr.com at least partially shares name servers with other domains, for instance 665016.com, ebgmd.com, huitaoci.com, wanshundz.com and zhaori.net.

These name servers are commonly used with the following name servers: a8.share-dns.com, b8.share-dns.net, a9.share-dns.com, b9.share-dns.net, a5.share-dns.com, b5.share-dns.net, a12.share-dns.com, b12.share-dns.net, a1.share-dns.com and b1.share-dns.net.

Host names with one IP number:

a.share-dns.com points to 172.64.53.25

b.share-dns.net points to 172.64.52.239

coursehr.com - robtex.com

coursehr.com

com