`groupthink.com`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`autumn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2694^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c294^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`autumn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2294^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`autumn.ns.cloudflare.com`
		A	108.162.194.148^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	162.159.38.148^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
		A	172.64.34.148^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`autumn.ns.cloudflare.com`
NS	`matt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c183^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2183^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matt.ns.cloudflare.com`
		A	108.162.193.131^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	172.64.33.131^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	173.245.59.131^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`MS=ms19785354`
TXT	`google-site-verification=24bst9vJBIjtt-JetNnDL-sBLA6mVnTwwXCjyAfsuRU`
TXT	`google-site-verification=_uFBEA_6OjXEU-c4x_MnWbQYDB1yP9oSYerVE3alBII`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`autumn.ns.cloudflare.com`dns@cloudflare.com serial=2408887143

`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=1784018777

WOT: SAFE (60/100)

Same first word

groupthink.us

groupthink.asia

groupthink.industries

groupthink.net

groupthink.at

groupthink.com

groupthink.org

groupthink.in

groupthink.de

groupthink.co.uk

groupthink.events

groupthink.media

Similar names

grupothink.com.br

thinkgroup.co.jp

thinkgroup.com

thinkgroup.ru

grupothink.edgekey.net

thinkgroup.com.cn

thinkgroup.co.za

thinkgroup.com.au

thinkgroup.co

thinkgroup.vn

DNS History

15 records (8 active, 7 former)

●NSautumn.ns.cloudflare.com2026-06-19 → 2026-07-14 · 3 obs

○ 2018-05-30 22:03:16
● 2026-06-19 18:28:22
● 2026-07-14 09:12:34

●NSmatt.ns.cloudflare.com2026-06-19 → 2026-07-14 · 3 obs

○ 2018-05-30 22:03:16
● 2026-06-19 18:28:22
● 2026-07-14 09:12:34

○NSns1.sitelutions.com2015-08-03 → 2018-05-30 · 4 obs

● 2015-08-03 07:06:12
● 2018-05-30 22:03:16
○ 2026-06-19 18:28:22
○ 2026-07-14 09:12:34

○NSns2.sitelutions.com2015-08-03 → 2018-05-30 · 4 obs

● 2015-08-03 07:06:12
● 2018-05-30 22:03:16
○ 2026-06-19 18:28:22
○ 2026-07-14 09:12:34

○NSns3.sitelutions.com2015-08-03 → 2018-05-30 · 4 obs

● 2015-08-03 07:06:12
● 2018-05-30 22:03:16
○ 2026-06-19 18:28:22
○ 2026-07-14 09:12:34

○NSns4.sitelutions.com2015-08-03 → 2018-05-30 · 4 obs

● 2015-08-03 07:06:12
● 2018-05-30 22:03:16
○ 2026-06-19 18:28:22
○ 2026-07-14 09:12:34

○NSns5.sitelutions.com2015-08-03 → 2018-05-30 · 4 obs

● 2015-08-03 07:06:12
● 2018-05-30 22:03:16
○ 2026-06-19 18:28:22
○ 2026-07-14 09:12:34

●MXalt1.aspmx.l.google.com2015-08-03 → 2026-07-14 · 2 obs

● 2015-08-03 07:06:12
● 2026-07-14 09:12:34

●MXalt2.aspmx.l.google.com2015-08-03 → 2026-07-14 · 2 obs

● 2015-08-03 07:06:12
● 2026-07-14 09:12:34

●MXaspmx.l.google.com2015-08-03 → 2026-07-14 · 2 obs

● 2015-08-03 07:06:12
● 2026-07-14 09:12:34

●MXaspmx2.googlemail.com2015-08-03 → 2026-07-14 · 2 obs

● 2015-08-03 07:06:12
● 2026-07-14 09:12:34

●MXaspmx3.googlemail.com2015-08-03 → 2026-07-14 · 2 obs

● 2015-08-03 07:06:12
● 2026-07-14 09:12:34

○MXaspmx4.googlemail.com2015-08-03 → 2018-05-30 · 4 obs

● 2015-08-03 07:06:12
● 2018-05-30 22:03:16
○ 2026-06-19 18:28:22
○ 2026-07-14 09:12:34

○MXaspmx5.googlemail.com2015-08-03 → 2018-05-30 · 4 obs

● 2015-08-03 07:06:12
● 2018-05-30 22:03:16
○ 2026-06-19 18:28:22
○ 2026-07-14 09:12:34

●A76.76.21.212026-06-19 → 2026-07-14 · 2 obs

● 2026-06-19 18:28:22
● 2026-07-14 09:12:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
groupthink.com	matt.ns.cloudflare.com, autumn.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.148

NS records: matt.ns.cloudflare.com, autumn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groupthink.com (unsigned zone)

⏱️ Timing

Total: 1212ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`autumn.ns.cloudflare.com, matt.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	4	`MS=ms19785354, google-site-verification=24bst9vJBIjtt-J...`
SOA	1	`autumn.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (matt.ns.cloudflare.com, matt.ns.cloudflare.com, matt.ns.cloudflare.com...)

Analysis

IP Addresses

groupthink.com points to a single IP number: 76.76.21.21.

Additional host names — h12.com, mx.delta-gruppe.de, taskbullet.com and two others — share IP numbers with groupthink.com.

Name Servers

Two name servers handle the delegation for groupthink.com: autumn.ns.cloudflare.com and matt.ns.cloudflare.com.

groupthink.com shares its name server setup with other domains, including rtpkhtkalem.xyz, thepinkdoor.net, rtpkhtnice.xyz and two others.

At least some of groupthink.com's name servers are shared with other domains, for example bingfa.net, greenworldlogistic.com, 5219p.com and two more.

It is common for these name servers to be used in conjunction with the name servers felipe.ns.cloudflare.com, chuck.ns.cloudflare.com and harley.ns.cloudflare.com.

Host names with 6 IP numbers:

autumn.ns.cloudflare.com resolves to 108.162.194.148, 162.159.38.148 and 172.64.34.148 among others, with 3 other IP addresses in total.

matt.ns.cloudflare.com resolves to 108.162.193.131, 172.64.33.131 and 173.245.59.131 among others, with 3 other IP addresses in total.

Mail Servers

groupthink.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

groupthink.com shares mail servers — at least in part — with other domains, including ns500754.ns500742.ns500731.ns500731.ns500731.ns500742.ns500704.ns500705.ns500704.ns500678.ns500678.ns500649.ns500291.ns500131.lustychickser.com, baileycooke.com, ns500699.ns500765.ns500693.ns500734.ns500734.ns500734.ns500693.ns500734.ns500728.ns500728.ns500588.ns500588.ns500588.ns500588.ns500588.ns500588.dtrkdll.com and two others.

These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to two addresses: 142.250.31.27 and 2607:f8b0:4004:c0b::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1a IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 2a00:1450:400b:c02::1a IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.27 IP addresses.

groupthink.com - robtex.com

groupthink.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`groupthink.com`

`com`