CF1763648588292-tsm20251116095642

IPLIST.NET - dfn-net.mail.protection.outlook.com

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dfn-net.mail.protection.outlook.com checked at 2025-11-20T14:23:08.274Z 242ms 60/60/60 100% R:17 allDone:true timedOut:false

dfn-net.mail.protection.outlook.com

A2a01:111:f403:c801::1 🇺🇸 Microsoft
PTRmail-sn1pr0501cu00101.inbound.protection.outlook.com
A2a01:111:f403:c902::7 🇺🇸 Microsoft
PTRmail-sj0pr02cu00107.inbound.protection.outlook.com
A2a01:111:f403:f908:: 🇺🇸 Microsoft
PTRmail-bn1pr21cu00100.inbound.protection.outlook.com
A2a01:111:f403:f90c:: 🇺🇸 Microsoft
PTRmail-sn1pr03cu00100.inbound.protection.outlook.com
A52.101.8.51🇺🇸 Microsoft
PTRmail-dm1pr04cu00203.inbound.protection.outlook.com
A52.101.9.0🇺🇸 Microsoft
PTRmail-bl2pr02cu00100.inbound.protection.outlook.com
A52.101.9.2🇺🇸 Microsoft
PTRmail-mn2pr02cu00202.inbound.protection.outlook.com
A52.101.40.1🇺🇸 Microsoft
PTRmail-cy4pr03cu00101.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

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

dfn-net.mail.protection.outlook.com points to the following eight IP numbers: 2a01:111:f403:c801::1, 2a01:111:f403:c902::7, 2a01:111:f403:f908::, 2a01:111:f403:f90c::, 52.101.8.51, 52.101.9.0, 52.101.9.2 and 52.101.40.1.

Other host names, for instance parlorsteakhouse-com.mail.protection.outlook.com, zeising-com.mail.protection.outlook.com, wommackgroup-com.mail.protection.outlook.com, parkerpacificexc-com.mail.protection.outlook.com and spaldingcomputer-com.mail.protection.outlook.com share IP numbers with dfn-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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