`thecoursecentral.com`

DNSSEC	⚠️ Not signed
A	3.33.152.147^{🇺🇸 Amazon3.33.144.0/20}
		PTR	`a4ec4c6ea1c92e2e6.awsglobalaccelerator.com`
A	15.197.142.173^{🇺🇸 Amazon15.197.128.0/20}
NS	`ns21.domaincontrol.com` ⭐
		A	2603:5:2141::b^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns21.domaincontrol.com`
		A	97.74.100.11^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns21.domaincontrol.com`
NS	`ns22.domaincontrol.com`
		A	2603:5:2241::b^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns22.domaincontrol.com`
		A	173.201.68.11^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns22.domaincontrol.com`
SOA	`ns21.domaincontrol.com`dns@jomax.net 2021-10-17 #0

`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=1783422191

Same first word

thecoursecentral.com

DNS History

5 records (4 active, 1 former)

●NSns21.domaincontrol.com2018-07-02 → 2026-07-07 · 2 obs

● 2018-07-02 23:50:20
● 2026-07-07 11:21:12

●NSns22.domaincontrol.com2018-07-02 → 2026-07-07 · 2 obs

● 2018-07-02 23:50:20
● 2026-07-07 11:21:12

●A15.197.142.1732026-02-18 → 2026-07-07 · 3 obs

○ 2018-07-02 23:50:20
● 2026-02-18 17:45:36
● 2026-07-07 11:21:12

○A184.168.131.2412018-07-02 → 2018-07-02 · 3 obs

● 2018-07-02 23:50:20
○ 2026-02-18 17:45:36
○ 2026-07-07 11:21:12

●A3.33.152.1472026-02-18 → 2026-07-07 · 3 obs

○ 2018-07-02 23:50:20
● 2026-02-18 17:45:36
● 2026-07-07 11:21:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
thecoursecentral.com	ns21.domaincontrol.com, ns22.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.100.11

NS records: ns21.domaincontrol.com, ns22.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thecoursecentral.com (unsigned zone)

⏱️ Timing

Total: 300ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.142.173, 3.33.152.147`
NS	2	`ns21.domaincontrol.com, ns22.domaincontrol.com`
SOA	1	`ns21.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)

Analysis

IP Addresses

thecoursecentral.com has two IP addresses: 3.33.152.147 and 15.197.142.173

sudip.org, mysplashpadmanufacturer.net, magemagician.com and two other host names share IP numbers with thecoursecentral.com.

Name Servers

thecoursecentral.com uses two name servers for its delegation: ns21.domaincontrol.com and ns22.domaincontrol.com.

thecoursecentral.com uses the same name servers as several other domains — among them ideia.info, findpharmaceuticaljobs.com, community-quest.com and two more.

At least some of thecoursecentral.com's name servers are also used by other domains, among them brokerquoter.us.

The two host names ns21.domaincontrol.com and ns22.domaincontrol.com each have a pair of IP addresses: ns21.domaincontrol.com has 97.74.100.11 and 2603:5:2141::b, and ns22.domaincontrol.com has 173.201.68.11 and 2603:5:2241::b.

thecoursecentral.com - robtex.com