CF1763423276118-tsm20251116095642

IPLIST.NET - 1stclasshosting-net.mail.protection.outlook.com

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1stclasshosting-net.mail.protection.outlook.com checked at 2025-11-17T23:47:55.699Z 4332ms 60/60/60 100% R:10 allDone:true timedOut:false

1stclasshosting-net.mail.protection.outlook.com

A2a01:111:f403:c903::1 🇺🇸 Microsoft
PTRmail-mw2pr02cu00301.inbound.protection.outlook.com
A2a01:111:f403:f807:: 🇺🇸 Microsoft
PTRmail-co1pr05cu00200.inbound.protection.outlook.com
A2a01:111:f403:f901::2 🇺🇸 Microsoft
PTRmail-bl2pr02cu00402.inbound.protection.outlook.com
A2a01:111:f403:f908::2 🇺🇸 Microsoft
PTRmail-bn8pr05cu00102.inbound.protection.outlook.com
A52.101.8.34🇺🇸 Microsoft
PTRmail-dm2pr04cu00102.inbound.protection.outlook.com
A52.101.9.11🇺🇸 Microsoft
PTRmail-bl2pr04cu00103.inbound.protection.outlook.com
A52.101.42.18🇺🇸 Microsoft
PTRmail-co1pr03cu00302.inbound.protection.outlook.com
A52.101.194.15🇺🇸 Microsoft
PTRmail-ch4pr21cu00107.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

1stclasshosting-net.mail.protection.outlook.com serves as the mail server for 1stclasshosting.net.

1stclasshosting-net.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c903::1, 2a01:111:f403:f807::, 2a01:111:f403:f901::2, 2a01:111:f403:f908::2, 52.101.8.34, 52.101.9.11, 52.101.42.18 and 52.101.194.15.

Other host names such as startechnologysystems-net.mail.protection.outlook.com, themorrellfirm-com.mail.protection.outlook.com, beyondali-com.mail.protection.outlook.com, scottsbluffvisionclinic-com.mail.protection.outlook.com and lasuby-com.mail.protection.outlook.com share IP numbers with 1stclasshosting-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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