`criticalthinkingworkshop.com`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
		PTR	`ip-198-49-23-144.defastlink.net`
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns-cloud-c1.googledomains.com` ⭐
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com`
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`ns-cloud-c3.googledomains.com`
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c3.googledomains.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com`
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=4

`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

criticalthinkingworkshop.com

DNS History

12 records (8 active, 4 former)

●NSns-cloud-c1.googledomains.com2026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

●NSns-cloud-c2.googledomains.com2026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

●NSns-cloud-c3.googledomains.com2026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

●NSns-cloud-c4.googledomains.com2026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

○NSns1.bluehost.com2015-12-29 → 2017-08-08 · 4 obs

● 2015-12-29 20:10:28
● 2017-08-08 19:09:02
○ 2026-03-13 23:28:08
○ 2026-03-14 10:41:58

○NSns2.bluehost.com2015-12-29 → 2017-08-08 · 4 obs

● 2015-12-29 20:10:28
● 2017-08-08 19:09:02
○ 2026-03-13 23:28:08
○ 2026-03-14 10:41:58

○MXmail.criticalthinkingworkshop.com2015-12-29 → 2017-08-08 · 4 obs

● 2015-12-29 20:10:28
● 2017-08-08 19:09:02
○ 2026-03-13 23:28:08
○ 2026-03-14 10:41:58

●A198.185.159.1442026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

●A198.185.159.1452026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

●A198.49.23.1442026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

●A198.49.23.1452026-03-13 → 2026-03-14 · 3 obs

○ 2017-08-08 19:09:02
● 2026-03-13 23:28:08
● 2026-03-14 10:41:58

○A69.89.31.1662015-12-29 → 2017-08-08 · 4 obs

● 2015-12-29 20:10:28
● 2017-08-08 19:09:02
○ 2026-03-13 23:28:08
○ 2026-03-14 10:41:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
criticalthinkingworkshop.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server: 216.239.32.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.49.23.144, 198.49.23.145...`
NS	4	`ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com...`
SOA	1	`ns-cloud-c1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

IP Addresses

criticalthinkingworkshop.com resolves to four IPs: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names, for instance brianaroker.com, mailmodo.com, simplygracekdp.com, gazellerentals.com and imglens.com share IP numbers with criticalthinkingworkshop.com.

Name Servers

criticalthinkingworkshop.com is delegated to four name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

criticalthinkingworkshop.com shares some name servers with other domains, for example pierresdesoleil.com, hatehunter.com, sjogrenfamily.com, izmirbilisim.net and dapc.org.uk.

Host names with two IP numbers

Two IPs per host:

ns-cloud-c1.googledomains.com points to 2001:4860:4802:32::6c and 216.239.32.108

ns-cloud-c2.googledomains.com points to 2001:4860:4802:34::6c and 216.239.34.108

ns-cloud-c3.googledomains.com points to 2001:4860:4802:36::6c and 216.239.36.108

ns-cloud-c4.googledomains.com points to 2001:4860:4802:38::6c and 216.239.38.108

criticalthinkingworkshop.com - robtex.com