CF1763682127141-tsm20251116095642

DNSWHOIS.INFO - smtp-red001.mail.microsoftonline.com

Search for IP or hostnames:

smtp-red001.mail.microsoftonline.com checked at 2025-11-20T23:42:07.104Z 5002ms 24/24/25 96% R:11 allDone:false timedOut:true

smtp-red001.mail.microsoftonline.com

A65.55.171.153🇺🇸 Microsoft

mail.microsoftonline.com

A65.55.171.169🇺🇸 Microsoft

AI analysis

smtp-red001.mail.microsoftonline.com resolves to one IP number: 65.55.171.153.

Other host names, for instance smtp801.microsoftonline.com, share IP numbers with smtp-red001.mail.microsoftonline.com.

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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