`dubthink.com`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
NS	`albert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`albert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`albert.ns.cloudflare.com`
		A	108.162.193.58^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	172.64.33.58^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	173.245.59.58^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
NS	`ollie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2647^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c247^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ollie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2247^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ollie.ns.cloudflare.com`
		A	108.162.194.71^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
		A	162.159.38.71^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
		A	172.64.34.71^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ollie.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁶⁸⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`albert.ns.cloudflare.com`dns@cloudflare.com serial=2395818364

`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

dubthink.com

DNS History

24 records (7 active, 17 former)

●NSalbert.ns.cloudflare.com2026-02-25 → 2026-03-24 · 3 obs

○ 2018-08-17 05:47:46
● 2026-02-25 06:52:54
● 2026-03-24 01:20:38

○NSns-cloud-a1.googledomains.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○NSns-cloud-a2.googledomains.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○NSns-cloud-a3.googledomains.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○NSns-cloud-a4.googledomains.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

●NSollie.ns.cloudflare.com2026-02-25 → 2026-03-24 · 3 obs

○ 2018-08-17 05:47:46
● 2026-02-25 06:52:54
● 2026-03-24 01:20:38

○MXalt1.gmr-smtp-in.l.google.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○MXalt2.gmr-smtp-in.l.google.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○MXalt3.gmr-smtp-in.l.google.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○MXalt4.gmr-smtp-in.l.google.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○MXgmr-smtp-in.l.google.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

●MXroute1.mx.cloudflare.net2026-02-25 → 2026-03-24 · 3 obs

○ 2018-08-17 05:47:46
● 2026-02-25 06:52:54
● 2026-03-24 01:20:38

●MXroute2.mx.cloudflare.net2026-02-25 → 2026-03-24 · 3 obs

○ 2018-08-17 05:47:46
● 2026-02-25 06:52:54
● 2026-03-24 01:20:38

●MXroute3.mx.cloudflare.net2026-02-25 → 2026-03-24 · 3 obs

○ 2018-08-17 05:47:46
● 2026-02-25 06:52:54
● 2026-03-24 01:20:38

●A185.199.108.1532026-02-25 → 2026-03-24 · 3 obs

○ 2018-08-17 05:47:46
● 2026-02-25 06:52:54
● 2026-03-24 01:20:38

●A185.199.109.1532026-02-25 → 2026-03-24 · 3 obs

○ 2018-08-17 05:47:46
● 2026-02-25 06:52:54
● 2026-03-24 01:20:38

○A2001:4860:4802:32::152018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○A2001:4860:4802:34::152018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○A2001:4860:4802:36::152018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○A2001:4860:4802:38::152018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○A216.239.32.212018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○A216.239.34.212018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○A216.239.36.212018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

○A216.239.38.212018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 05:47:46
○ 2026-02-25 06:52:54
○ 2026-03-24 01:20:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
dubthink.com	albert.ns.cloudflare.com, ollie.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.71

NS records: albert.ns.cloudflare.com, ollie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dubthink.com (unsigned zone)

⏱️ Timing

Total: 1688ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`185.199.109.153, 185.199.108.153`
NS	2	`albert.ns.cloudflare.com, ollie.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 39), route2.mx.cloudflare.net (pri: 68)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`albert.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dubthink.com resolves to two IP numbers: 185.199.108.153 and 185.199.109.153.

other host names including ribtoks.github.io, softtrack.co.kr, vavilapallimadhavi.github.io, llogiq.github.io and wavefrom.com share IP numbers with dubthink.com.

Name Servers

dubthink.com is delegated to two name servers albert.ns.cloudflare.com and ollie.ns.cloudflare.com.

dubthink.com shares the same name server setup as other domains, for instance aflasia.com, telegorhs.ink, unap.org, newhorizons-lakesregion.org and karius-bestattungen.de.

dubthink.com at least partially shares name servers with other domains, for instance staticsea.net, pyroplayerx11.xyz, njnorge.com, wholesaledistributors24.com and duxocuumpartnersco.sbs.

These name servers are commonly used with marissa.ns.cloudflare.com, toby.ns.cloudflare.com and alexandra.ns.cloudflare.com.

Host names with six IP numbers:

Host name albert.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3a, 2803:f800:50::6ca2:c13a, 2a06:98c1:50::ac40:213a, 108.162.193.58, 172.64.33.58 and 173.245.59.58.

Host name ollie.ns.cloudflare.com points to: 2606:4700:50::a29f:2647, 2803:f800:50::6ca2:c247, 2a06:98c1:50::ac40:2247, 108.162.194.71, 162.159.38.71 and 172.64.34.71.

Mail Servers

dubthink.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

dubthink.com shares some mail servers with other domains, at least partially, for instance seonegativo.com, bliss-box.net, bearflagsupply.com, akinokaede.com and 31three.com.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

dubthink.com - robtex.com

dubthink.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`dubthink.com`

`com`