`catalystbook.com`

DNSSEC	⚠️ Not signed
A	207.161.40.250^{🇨🇦 MTS-AS207.161.0.0/16 MTS-Internet}
		PTR	`brndmb0239w-ds01-161-40-250.dynamic.bellmts.net`
NS	`dns101.register.com` ⭐
		A	162.159.24.117^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns102.register.com`
		A	162.159.25.158^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`DNS101.REGISTER.com`root@REGISTER.com serial=120042815

`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=1775267062

Same first word

catalystbook.com

DNS History

8 records (3 active, 5 former)

●NSdns101.register.com2026-04-04 → 2026-04-04 · 3 obs

○ 2018-06-04 20:59:06
● 2026-04-04 02:11:54
● 2026-04-04 02:11:56

●NSdns102.register.com2026-04-04 → 2026-04-04 · 3 obs

○ 2018-06-04 20:59:06
● 2026-04-04 02:11:54
● 2026-04-04 02:11:56

○NSdns127.b.register.com2015-05-31 → 2018-06-04 · 4 obs

● 2015-05-31 14:23:02
● 2018-06-04 20:59:06
○ 2026-04-04 02:11:54
○ 2026-04-04 02:11:56

○NSdns193.a.register.com2015-05-31 → 2018-06-04 · 4 obs

● 2015-05-31 14:23:02
● 2018-06-04 20:59:06
○ 2026-04-04 02:11:54
○ 2026-04-04 02:11:56

○NSdns240.c.register.com2015-05-31 → 2018-06-04 · 4 obs

● 2015-05-31 14:23:02
● 2018-06-04 20:59:06
○ 2026-04-04 02:11:54
○ 2026-04-04 02:11:56

○NSdns249.d.register.com2015-05-31 → 2018-06-04 · 4 obs

● 2015-05-31 14:23:02
● 2018-06-04 20:59:06
○ 2026-04-04 02:11:54
○ 2026-04-04 02:11:56

○MXp.webcom.ctmail.com2016-04-24 → 2018-06-04 · 4 obs

● 2016-04-24 17:18:20
● 2018-06-04 20:59:06
○ 2026-04-04 02:11:54
○ 2026-04-04 02:11:56

●A207.161.40.2502015-05-31 → 2026-04-04 · 2 obs

● 2015-05-31 14:23:02
● 2026-04-04 02:11:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...	-
catalystbook.com	dns101.register.com, dns102.register.com	2 records

✅ Authoritative Response

Server:162.159.24.117

NS records: dns101.register.com, dns102.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for catalystbook.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.161.40.250`
NS	2	`dns101.register.com, dns102.register.com`
SOA	1	`DNS101.REGISTER.com root.REGISTER.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns101.register.com, dns102.register.com)

Analysis

IP Addresses

catalystbook.com resolves to a single IP: 207.161.40.250.

Other host names, for instance, catalystmovie.com and brndmb0239w-ds01-161-40-250.dynamic.bellmts.net share IP numbers with catalystbook.com.

Name Servers

catalystbook.com has two name servers: dns101.register.com and dns102.register.com.

catalystbook.com shares the same name server setup as other domains, for example gretski.com, robsbarbershop.net, jennewein.org, theabilityresource.com and ihateeskenazzihospital.com.

catalystbook.com shares name servers with other domains to some extent, for example bbbsfoundation.org and sfdct.com.

Host names with a single IP:

dns101.register.com points to 162.159.24.117

dns102.register.com points to 162.159.25.158

catalystbook.com - robtex.com