CF1759231372971-tsm20250929235914

WWW.ROBTEX.COM - mail-backup.castellus.net

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mail-backup.castellus.net checked at 2025-09-30T11:22:52.948Z 325ms 33/33/33 100% R:11

AI analysis

mail-backup.castellus.net is the mail server for internetemail.de.

With mail-backup.castellus.net, mail.castellus.net is commonly used as a mail server.

mail-backup.castellus.net maps to IP address 5.161.181.129.

Other host names, for example sv02.bionic.org, mail-backup.bionic.org and secondary-nameserver.de share the same IP as mail-backup.castellus.net.

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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