CF1757566494187-tsm20250910161120

NSLIST.NET - join.ctf.org

Search for IP or hostnames:

join.ctf.org checked at 2025-09-11T04:54:54.170Z 90ms 56/56/56 100% R:11

join.ctf.org

CNAMEvanity.classy.org
A2606:4700::6812:7c49 🇺🇸 Cloudflare
A2606:4700::6812:c55f 🇺🇸 Cloudflare
A104.18.124.73 Cloudflare
A104.18.197.95 Cloudflare

ctf.org

NSray.ns.cloudflare.com
NSserena.ns.cloudflare.com
MXaspmx.l.google.com
MXalt1.aspmx.l.google.com
MXalt2.aspmx.l.google.com
MXalt3.aspmx.l.google.com
MXalt4.aspmx.l.google.com
A2606:4700:20::681a:e61 🇺🇸 Cloudflare
A2606:4700:20::681a:f61 🇺🇸 Cloudflare
A2606:4700:20::ac43:4b99 🇺🇸 Cloudflare
A104.26.14.97 Cloudflare
A104.26.15.97 Cloudflare
A172.67.75.153🇺🇸 Cloudflare
rank #68441 globally
rank #7241 in the tld

AI analysis

Four IP numbers, 2606:4700::6812:7c49, 2606:4700::6812:c55f, 104.18.124.73, and 104.18.197.95, are pointed to by join.ctf.org.

The IP numbers of join.ctf.org are also shared with other host names such as mask4.classy.org, mask14.classy.org, assets.classy.org, mask16.classy.org, and mask10.classy.org.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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ybjsrsJ CF johedugfp 2025-09-11