CF1763818735493-tsm20251122110840

DNSWHOIS.INFO - rbfirm-net.mail.protection.outlook.com

Search for IP or hostnames:

rbfirm-net.mail.protection.outlook.com checked at 2025-11-22T13:38:55.476Z 267ms 60/60/60 100% R:20 allDone:true timedOut:false

rbfirm-net.mail.protection.outlook.com

A2a01:111:f403:c802:: 🇺🇸 Microsoft
PTRmail-cy4pr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:c803:: 🇺🇸 Microsoft
PTRmail-bn1pr21cu00200.inbound.protection.outlook.com
A2a01:111:f403:c902::4 🇺🇸 Microsoft
PTRmail-sj0pr03cu01504.inbound.protection.outlook.com
A2a01:111:f403:f901:: 🇺🇸 Microsoft
PTRmail-mn2pr04cu00200.inbound.protection.outlook.com
A52.101.8.34🇺🇸 Microsoft
PTRmail-dm2pr04cu00102.inbound.protection.outlook.com
A52.101.8.42🇺🇸 Microsoft
PTRmail-dm6pr03cu00402.inbound.protection.outlook.com
A52.101.11.3🇺🇸 Microsoft
PTRmail-sn1pr0501cu00103.inbound.protection.outlook.com
A52.101.42.13🇺🇸 Microsoft
PTRmail-mw2pr02cu00405.inbound.protection.outlook.com

mail.protection.outlook.com

NSns1-proddns.glbdns.o365filtering.com
NSns2-proddns.glbdns.o365filtering.com

MX for

AI analysis

rbfirm-net.mail.protection.outlook.com functions as a mail server for rbfirm.net.

Eight IP numbers are targeted by rbfirm-net.mail.protection.outlook.com: 2a01:111:f403:c802::, 2a01:111:f403:c803::, 2a01:111:f403:c902::4, 2a01:111:f403:f901::, 52.101.8.34, 52.101.8.42, 52.101.11.3 and 52.101.42.13.

other host names including mainstreetstudiotattoo-com.mail.protection.outlook.com, tileyroofing-com.mail.protection.outlook.com, gmrassociates-com.mail.protection.outlook.com, fresnoeoc-org.mail.protection.outlook.com and blainemcchesneylaw-com.mail.protection.outlook.com share IP numbers with rbfirm-net.mail.protection.outlook.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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