CF1758186998164-tsm20250918065831

WWW.RTSAK.COM - challengelearning.com

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challengelearning.com checked at 2025-09-18T09:16:38.133Z 728ms 83/83/83 100% R:17

challengelearning.com

NSdocks14.rzone.de
A2001:8d8:fe:53:5747:2a74:d:14 🇩🇪 IONOS SE
PTRdocks14.rzone.de
A217.160.80.141🇩🇪 IONOS SE
PTRdocks14.rzone.de
NSshades13.rzone.de
A2607:f1c0:fe:53:185:132:34:140 🇺🇸 IONOS-Anycast
PTRshades13.rzone.de
A185.132.34.140🇩🇪 IONOS-Anycast
PTRshades13.rzone.de
MXsmtpin.rzone.de
A2a01:238:20a:202:50f0::1097 🇩🇪 STRATO AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO AG
PTRsmtpin.rzone.de
A2a01:238:20a:202:1169:: 🇩🇪 STRATO AG
PTRwa9.rzone.de
A81.169.145.169🇩🇪 STRATO AG
PTRwa9.rzone.de

com

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Starts with same word

Starts similarily

AI analysis

challengelearning.com points to two IP numbers: 2a01:238:20a:202:1169:: and 81.169.145.169.

Other host names such as autohaus-moeller.de, gesundhaus.net, stor-ag.de, turkcast.eu and ahvgmbh.de share IP numbers with challengelearning.com.

challengelearning.com is delegated to two name servers: docks14.rzone.de and shades13.rzone.de.

challengelearning.com uses the same name server setup as other domains, including stuip.nl, salevant.eu, promuc.net, rcsf.de and tomnoise.de.

At least part of the name servers for challengelearning.com are shared with other domains, for instance bf-remagen.de, national-parks.de, screen-force.com, e3r.de and ask-bid.de.

these name servers are commonly used with the name servers shades05.rzone.de, docks02.rzone.de, shades07.rzone.de, shades03.rzone.de, shades16.rzone.de, shades02.rzone.de, docks08.rzone.de, docks12.rzone.de, docks10.rzone.de and docks07.rzone.de.

Host names with two IP numbers:

docks14.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:14 and 217.160.80.141.

shades13.rzone.de points to 2607:f1c0:fe:53:185:132:34:140 and 185.132.34.140.

The mail server for challengelearning.com is smtpin.rzone.de.

challengelearning.com uses the same mail server setup as other domains, for instance grohe-online.de, eleusis.de, germanconstruct.eu, mail.ba-motors.de and krassmann.com.

Hostname smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

cpAPbkJ CF johedugfp 2025-09-18