criticalthinking.run - robtex.com

criticalthinking.run

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:28a2🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2b5e🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.162🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.94🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbeth.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a67🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
A2803:f800:50::6ca2:c067🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbeth.ns.cloudflare.com
A2a06:98c1:50::ac40:2067🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbeth.ns.cloudflare.com
A108.162.192.103🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
A172.64.32.103🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
A173.245.58.103🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
NSnoah.ns.cloudflare.com
A2606:4700:58::adf5:3b85🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A2803:f800:50::6ca2:c185🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnoah.ns.cloudflare.com
A2a06:98c1:50::ac40:2185🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnoah.ns.cloudflare.com
A108.162.193.133🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A172.64.33.133🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
A173.245.59.133🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoah.ns.cloudflare.com
MXmx.simply.com ⭐
A94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S
PTRmx.simply.com
HTTPSHTTP/2 ✓ hints match
IPv4 hints172.66.40.162, 172.66.43.94
IPv6 hints2606:4700:3108::ac42:28a2, 2606:4700:3108::ac42:2b5e
SOAbeth.ns.cloudflare.comdns@cloudflare.com serial=2398966243

run

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.run ⭐
NSv0n1.nic.run
NSv0n2.nic.run
NSv0n3.nic.run
NSv2n0.nic.run
NSv2n1.nic.run
SOAv0n0.nic.runhostmaster@donuts.email serial=1776044319

Subdomains

training.criticalthinking.run

Same first word

criticalthinking.pl
criticalthinking.net
criticalthinking.org.uk
criticalthinking.org
criticalthinking.co
criticalthinking.show
criticalthinking.ro
criticalthinking.com
criticalthinking.co.nz
criticalthinking.pro
criticalthinking.run

DNS History

7 records (7 active, 0 former)

NSbeth.ns.cloudflare.comnoah.ns.cloudflare.comMXmx.simply.comA172.66.40.162172.66.43.942606:4700:3108::ac42:28a22606:4700:3108::ac42:2b5e
●NSbeth.ns.cloudflare.com2026-03-29 → 2026-04-13 · 2 obs
● 2026-03-29 06:12:48
● 2026-04-13 02:08:58
●NSnoah.ns.cloudflare.com2026-03-29 → 2026-04-13 · 2 obs
● 2026-03-29 06:12:48
● 2026-04-13 02:08:58
●MXmx.simply.com2026-03-29 → 2026-04-13 · 2 obs
● 2026-03-29 06:12:48
● 2026-04-13 02:08:58
●A172.66.40.1622026-03-29 → 2026-04-13 · 2 obs
● 2026-03-29 06:12:48
● 2026-04-13 02:08:58
●A172.66.43.942026-03-29 → 2026-04-13 · 2 obs
● 2026-03-29 06:12:48
● 2026-04-13 02:08:58
●A2606:4700:3108::ac42:28a22026-03-29 → 2026-04-13 · 2 obs
● 2026-03-29 06:12:48
● 2026-04-13 02:08:58
●A2606:4700:3108::ac42:2b5e2026-03-29 → 2026-04-13 · 2 obs
● 2026-03-29 06:12:48
● 2026-04-13 02:08:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
runv0n0.nic.run, v0n1.nic.run, v0n2.nic.run, v0n3.nic.run...12 records
criticalthinking.runnoah.ns.cloudflare.com, beth.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.103

NS records: noah.ns.cloudflare.com, beth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for criticalthinking.run (unsigned zone)

⏱️ Timing

Total: 384ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.43.94, 172.66.40.162
AAAA22606:4700:3108::ac42:28a2, 2606:4700:3108::ac42:2b5e
NS2beth.ns.cloudflare.com, noah.ns.cloudflare.com
MX1mx.simply.com (pri: 10)
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1beth.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.run, v2n0.nic.run, v0n3.nic.run...)

Analysis

Hierarchy

criticalthinking.run is the parent of training.criticalthinking.run.

IP Addresses

criticalthinking.run resolves to four IPs: 2606:4700:3108::ac42:28a2, 2606:4700:3108::ac42:2b5e, 172.66.40.162 and 172.66.43.94.

Other host names, for instance insights.boosted.ai, www.ukclimbing.com, statesmanrail.com, thecanet.com and www.pcinow.com share IP numbers with criticalthinking.run.

Name Servers

criticalthinking.run has two name servers: beth.ns.cloudflare.com and noah.ns.cloudflare.com.

criticalthinking.run shares the same name server setup as other domains, for example dost.ai, atshoes.com, 4computercoupons.com, reditus.be and flowerdeliverydeals.com.

criticalthinking.run shares some name servers with other domains, for example humanpower.sg, bp8.net, kansannong.com, a220.uy and vinexposium-connect.com.

These name servers are commonly used together with annalise.ns.cloudflare.com and cody.ns.cloudflare.com.

Host names with six IP numbers: beth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a67, 2803:f800:50::6ca2:c067, 2a06:98c1:50::ac40:2067, 108.162.192.103, 172.64.32.103 and 173.245.58.103; noah.ns.cloudflare.com points to: 2606:4700:58::adf5:3b85, 2803:f800:50::6ca2:c185, 2a06:98c1:50::ac40:2185, 108.162.193.133, 172.64.33.133 and 173.245.59.133.

Mail Servers

criticalthinking.run is handled by a single mail server, mx.simply.com.

criticalthinking.run shares the mail server setup with other domains, for example watchmen.dk, tandlaege-reipurth.dk, acornenglish.se, dong-fang.dk and careplus.dk.

criticalthinking.run shares some mail servers with other domains at least partially, for instance glostrupbio.dk and neuroguide.dk.

Host name mx.simply.com points to IP 94.231.106.20.