`bookthatcourse.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns73.domaincontrol.com` ⭐
		A	2603:5:21a4::2f^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns73.domaincontrol.com`
		A	97.74.106.47^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns73.domaincontrol.com`
NS	`ns74.domaincontrol.com`
		A	2603:5:22a4::2f^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns74.domaincontrol.com`
		A	173.201.74.47^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns74.domaincontrol.com`
SOA	`ns73.domaincontrol.com`dns@jomax.net 2025-07-08 #1

`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=1771291435

Same first word

bookthatcourse.com

DNS History

7 records (4 active, 3 former)

○NSns.123-reg.co.uk2015-08-01 → 2020-02-20 · 3 obs

● 2015-08-01 02:50:52
● 2020-02-20 15:21:08
○ 2026-03-22 16:14:40

○NSns2.123-reg.co.uk2015-08-01 → 2020-02-20 · 3 obs

● 2015-08-01 02:50:52
● 2020-02-20 15:21:08
○ 2026-03-22 16:14:40

●NSns73.domaincontrol.com2026-03-22 → 2026-03-22 · 2 obs

○ 2020-02-20 15:21:08
● 2026-03-22 16:14:40

●NSns74.domaincontrol.com2026-03-22 → 2026-03-22 · 2 obs

○ 2020-02-20 15:21:08
● 2026-03-22 16:14:40

●A15.197.225.1282026-03-22 → 2026-03-22 · 2 obs

○ 2020-02-20 15:21:08
● 2026-03-22 16:14:40

●A3.33.251.1682026-03-22 → 2026-03-22 · 2 obs

○ 2020-02-20 15:21:08
● 2026-03-22 16:14:40

○A94.136.40.822015-08-01 → 2020-02-20 · 3 obs

● 2015-08-01 02:50:52
● 2020-02-20 15:21:08
○ 2026-03-22 16:14:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
bookthatcourse.com	ns73.domaincontrol.com, ns74.domaincontrol.com	4 records

✅ Authoritative Response

Server: 97.74.106.47

NS records: ns73.domaincontrol.com, ns74.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookthatcourse.com (unsigned zone)

⏱️ Timing

Total: 57ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns73.domaincontrol.com, ns74.domaincontrol.com`
SOA	1	`ns73.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)

Analysis

IP Addresses

bookthatcourse.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.

Other host names such as memons.ca, battlex.com, ceo.academy, visiondjs.net and netique.gifts share IP numbers with bookthatcourse.com.

Name Servers

bookthatcourse.com is delegated to two name servers: ns73.domaincontrol.com and ns74.domaincontrol.com.

bookthatcourse.com uses the same name server setup as other domains, including 52weeksoftriathlon.com, caer.guide, chicagotechsupport.org, betterworldengineering.com and gleeson-homes.co.uk.

Host names with two IP numbers:

ns73.domaincontrol.com points to 2603:5:21a4::2f and 97.74.106.47.

ns74.domaincontrol.com points to 2603:5:22a4::2f and 173.201.74.47.

bookthatcourse.com - robtex.com