`coolthinktank.com`

DNSSEC	⚠️ Not signed
A	73.43.194.10^{🇺🇸 COMCAST-IBONE73.0.0.0/8 Comcast Cable Communications, LLC}
		PTR	`c-73-43-194-10.hsd1.ga.comcast.net`
NS	`ns1.hover.com` ⭐
		A	2604:4000:0:d:216:40:47:26^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.hover.com`
		A	216.40.47.26^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.hover.com`
NS	`ns2.hover.com`
		A	2604:4000:2800:d:64:99:148:13^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.hover.com`
		A	64.98.148.13^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.hover.com`
MX	`mail.coolthinktank.com` ⭐
		A	73.43.194.10^{🇺🇸 COMCAST-IBONE73.0.0.0/8 Comcast Cable Communications, LLC}
			PTR	`c-73-43-194-10.hsd1.ga.comcast.net`
SOA	`ns1.hover.com`dnsmaster@hover.com serial=1720468673

`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

Subdomains

mail.coolthinktank.com

Same first word

coolthinktank.com

DNS History

5 records (4 active, 1 former)

●NSns1.hover.com2018-06-28 → 2026-03-23 · 2 obs

● 2018-06-28 11:49:36
● 2026-03-23 16:54:36

●NSns2.hover.com2018-06-28 → 2026-03-23 · 2 obs

● 2018-06-28 11:49:36
● 2026-03-23 16:54:36

●MXmail.coolthinktank.com2018-06-28 → 2026-03-23 · 2 obs

● 2018-06-28 11:49:36
● 2026-03-23 16:54:36

○A73.106.160.402018-06-28 → 2018-06-28 · 3 obs

● 2018-06-28 11:49:36
○ 2026-02-19 12:48:16
○ 2026-03-23 16:54:36

●A73.43.194.102026-02-19 → 2026-03-23 · 3 obs

○ 2018-06-28 11:49:36
● 2026-02-19 12:48:16
● 2026-03-23 16:54:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
coolthinktank.com	ns1.hover.com, ns2.hover.com	4 records

✅ Authoritative Response

Server:216.40.47.26

NS records: ns1.hover.com, ns2.hover.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolthinktank.com (unsigned zone)

⏱️ Timing

Total: 324ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`73.43.194.10`
NS	2	`ns2.hover.com, ns1.hover.com`
MX	1	`mail.coolthinktank.com (pri: 10)`
SOA	1	`ns1.hover.com dnsmaster.hover.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.hover.com, ns1.hover.com, ns2.hover.com...)

Analysis

Hierarchy

The parent of mail.coolthinktank.com is coolthinktank.com.

IP Addresses

coolthinktank.com points to an IP address: 73.43.194.10.

Other host names, for instance mail.coolthinktank.com, share IP numbers with coolthinktank.com.

Name Servers

Two name servers ns1.hover.com and ns2.hover.com handle the delegation for coolthinktank.com.

coolthinktank.com shares the same name server setup as other domains, for instance roamagency.org, ale-ks.com, theologyofthebody.com, youroceanfronthome.com and caseyrollins.com.

coolthinktank.com at least partially shares name servers with other domains, for instance leve.us, bdxonline.com, badhaiku.com, getfandom.net and icsuk.com.

These name servers are commonly used alongside ns3.hover.com.

Host names with two IP numbers:

ns1.hover.com points to 2604:4000:0:d:216:40:47:26 and 216.40.47.26.

ns2.hover.com points to 2604:4000:2800:d:64:99:148:13 and 64.98.148.13.

Mail Servers

coolthinktank.com is handled by a single mail server, mail.coolthinktank.com.

The host name mail.coolthinktank.com points to IP 73.43.194.10.

coolthinktank.com - robtex.com