CF1763041287040-tsm20251109205412

WWW.RTSAK.COM - ctb-online.de

Search for IP or hostnames:

ctb-online.de checked at 2025-11-13T13:41:27.029Z 173ms 86/86/86 100% R:15 allDone:true timedOut:false

ctb-online.de

NSdocks01.rzone.de
A2001:8d8:fe:53:5747:2a74:d:1 🇩🇪 IONOS-AS
PTRdocks01.rzone.de
A217.160.80.128🇩🇪 IONOS-AS
PTRdocks01.rzone.de
NSshades15.rzone.de
A2607:f1c0:fe:53:185:132:34:142 🇺🇸 IONOS-ANYCAST
PTRshades15.rzone.de
A185.132.34.142🇩🇪 IONOS-ANYCAST
PTRshades15.rzone.de
MXsmtpin.rzone.de
A2a01:238:20a:202:50f0::1097 🇩🇪 STRATO
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO
PTRsmtpin.rzone.de
A2a01:238:20a:202:1159:: 🇩🇪 STRATO
PTRw9f.rzone.de
A81.169.145.159🇩🇪 STRATO
PTRw9f.rzone.de

de

NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
NSs.de.net

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Starts with same word

Starts similarily

AI analysis

ctb-online.de is a parent of mail.ctb-online.de.

ctb-online.de points to two IP numbers: 2a01:238:20a:202:1159:: and 81.169.145.159.

Other host names, for instance sabanova.de, wolfsteiner-roberts.de, biblische-seelsorge.org, torsten-hobbold.de and mail.derlet.info share IP numbers with ctb-online.de.

Delegation for ctb-online.de rests with two name servers, docks01.rzone.de and shades15.rzone.de.

ctb-online.de shares the same name server setup as other domains, including toerner.net, erlebnis-sweet.de, helbing-group.de, ea-m.de and onlineflugscheine.de.

ctb-online.de at least partially shares name servers with other domains, for instance gruene-stadt-darmstadt.de, basentherapie.de, dr-herholz.de, tmtv.org and nienerza.com.

These name servers are commonly used together with the name servers shades14.rzone.de, shades16.rzone.de, shades06.rzone.de, docks05.rzone.de, docks17.rzone.de, shades19.rzone.de, docks09.rzone.de, docks04.rzone.de, shades08.rzone.de and shades13.rzone.de.

Host names with two IP numbers: docks01.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:1 and 217.160.80.128; shades15.rzone.de points to 2607:f1c0:fe:53:185:132:34:142 and 185.132.34.142.

ctb-online.de is handled by a single mail server, smtpin.rzone.de.

ctb-online.de uses the same mail server configuration as other domains, such as wasserstrahlschneiden-haertel.de, fertiggarage.discount, logosweb.de, klaering.de and wohldesigner.com.

smtpin.rzone.de resolves to two IP numbers: 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.
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