CF1761675501927-tsm20251027103946

DNSWHOIS.INFO - firstsentry-com01c.mail.protection.outlook.com

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firstsentry-com01c.mail.protection.outlook.com checked at 2025-10-28T18:18:21.915Z 175ms 60/60/60 100% R:15

firstsentry-com01c.mail.protection.outlook.com

A2a01:111:f403:c946::7 🇺🇸 Microsoft
PTRmail-ch5pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:f802::2 🇺🇸 Microsoft
PTRmail-sj2pr05cu00202.inbound.protection.outlook.com
A2a01:111:f403:f902::1 🇺🇸 Microsoft
PTRmail-bl2pr02cu00101.inbound.protection.outlook.com
A2a01:111:f403:f90f:: 🇺🇸 Microsoft
PTRmail-sa9pr04cu00100.inbound.protection.outlook.com
A52.101.9.11🇺🇸 Microsoft
PTRmail-bl2pr04cu00103.inbound.protection.outlook.com
A52.101.9.14🇺🇸 Microsoft
PTRmail-bl0pr03cu00206.inbound.protection.outlook.com
A52.101.10.16🇺🇸 Microsoft
PTRmail-bn6pr21cu00500.inbound.protection.outlook.com
A52.101.41.28🇺🇸 Microsoft
PTRmail-sj0pr03cu01504.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

firstsentry-com01c.mail.protection.outlook.com serves as the mail server for first-sentry.com.

firstsentry-com01c.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c946::7, 2a01:111:f403:f802::2, 2a01:111:f403:f902::1, 2a01:111:f403:f90f::, 52.101.9.11, 52.101.9.14, 52.101.10.16 and 52.101.41.28.

Other host names including smartnetdo-com.mail.protection.outlook.com, radhabrasil-com-br.mail.protection.outlook.com, kratzheatingandair-com.mail.protection.outlook.com, goodguyselectronics-com.mail.protection.outlook.com and crainhometeam-com.mail.protection.outlook.com share IP numbers with firstsentry-com01c.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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