CF1763393275374-tsm20251116095642

WWW.RTSAK.COM - opcccss-fi-cr.mail.protection.outlook.com

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opcccss-fi-cr.mail.protection.outlook.com checked at 2025-11-17T15:27:55.308Z 969ms 60/60/60 100% R:12 allDone:true timedOut:false

opcccss-fi-cr.mail.protection.outlook.com

A2a01:111:f403:c946::5 🇺🇸 Microsoft
PTRmail-ch4pr21cu00105.inbound.protection.outlook.com
A2a01:111:f403:f802:: 🇺🇸 Microsoft
PTRmail-byapr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:f901::1 🇺🇸 Microsoft
PTRmail-bl0pr02cu00601.inbound.protection.outlook.com
A2a01:111:f403:f912:: 🇺🇸 Microsoft
PTRmail-cy5pr03cu00200.inbound.protection.outlook.com
A52.101.8.34🇺🇸 Microsoft
PTRmail-dm2pr04cu00102.inbound.protection.outlook.com
A52.101.9.21🇺🇸 Microsoft
PTRmail-bl2pr04cu00205.inbound.protection.outlook.com
A52.101.41.6🇺🇸 Microsoft
PTRmail-sj0pr03cu01406.inbound.protection.outlook.com
A52.101.194.3🇺🇸 Microsoft
PTRmail-ch1pr04cu00103.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

opcccss-fi-cr.mail.protection.outlook.com handles mail for opcccss.fi.cr.

opcccss-fi-cr.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c946::5, 2a01:111:f403:f802::, 2a01:111:f403:f901::1, 2a01:111:f403:f912::, 52.101.8.34, 52.101.9.21, 52.101.41.6 and 52.101.194.3.

Other host names such as neweraplumber-com.mail.protection.outlook.com, upnovr-com.mail.protection.outlook.com, ssselectric-com.mail.protection.outlook.com, gamilaraay-com.mail.protection.outlook.com and topguntech-com01e.mail.eo.outlook.com share IPs with opcccss-fi-cr.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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