CF1762586784056-tsm20251105200708

NSLIST.NET - schaefer.mail.protection.office365.us

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schaefer.mail.protection.office365.us checked at 2025-11-08T07:26:24.043Z 206ms 30/30/30 100% R:13

schaefer.mail.protection.office365.us

A23.103.199.138🇺🇸 Microsoft
PTRmail-bn3usg020138.inbound.protection.outlook.com
A23.103.199.170🇺🇸 Microsoft
PTRmail-cy1usg020170.inbound.protection.outlook.com

mail.protection.office365.us

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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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