CF1762821625641-tsm20251109205412

DNSWHOIS.INFO - sierrabuildingscience-com.mail.protection.outlook.com

Search for IP or hostnames:

sierrabuildingscience-com.mail.protection.outlook.com checked at 2025-11-11T00:40:25.440Z 663ms 60/60/60 100% R:14 allDone:true timedOut:false

sierrabuildingscience-com.mail.protection.outlook.com

A2a01:111:f403:c927:: 🇺🇸 Microsoft
PTRmail-bn6pr21cu00500.inbound.protection.outlook.com
A2a01:111:f403:c946::5 🇺🇸 Microsoft
PTRmail-ch4pr21cu00105.inbound.protection.outlook.com
A2a01:111:f403:f901::1 🇺🇸 Microsoft
PTRmail-bl0pr02cu00601.inbound.protection.outlook.com
A2a01:111:f403:f90d:: 🇺🇸 Microsoft
PTRmail-sn1pr0501cu00200.inbound.protection.outlook.com
A52.101.40.6🇺🇸 Microsoft
PTRmail-cy1pr03cu00106.inbound.protection.outlook.com
A52.101.40.24🇺🇸 Microsoft
PTRmail-cy5pr05cu00100.inbound.protection.outlook.com
A52.101.42.6🇺🇸 Microsoft
PTRmail-mw2pr02cu00306.inbound.protection.outlook.com
A52.101.42.16🇺🇸 Microsoft
PTRmail-co1pr05cu00300.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

sierrabuildingscience-com.mail.protection.outlook.com serves as a mail server for sierrabuildingscience.com.

sierrabuildingscience-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c927::, 2a01:111:f403:c946::5, 2a01:111:f403:f901::1, 2a01:111:f403:f90d::, 52.101.40.6, 52.101.40.24, 52.101.42.6 and 52.101.42.16.

Other host names, for instance readingclinicinc-org.mail.protection.outlook.com, accutechinc-net.mail.protection.outlook.com, yourlabelsnow-com.mail.protection.outlook.com, peoplemail-info.mail.protection.outlook.com and hbstationmaintenanceinc-com.mail.protection.outlook.com share IP numbers with sierrabuildingscience-com.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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