CF1761436486940-tsm20251024211356

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

Search for IP or hostnames:

externalsystems-com.mail.protection.outlook.com checked at 2025-10-25T23:54:46.870Z 320ms 60/60/60 100% R:13

externalsystems-com.mail.protection.outlook.com

A2a01:111:f403:c91d:: 🇺🇸 Microsoft
PTRmail-mw2pr04cu00100.inbound.protection.outlook.com
A2a01:111:f403:f902:: 🇺🇸 Microsoft
PTRmail-bl2pr04cu00100.inbound.protection.outlook.com
A2a01:111:f403:f90b:: 🇺🇸 Microsoft
PTRmail-bn6pr04cu00100.inbound.protection.outlook.com
A2a01:111:f403:f90f::1 🇺🇸 Microsoft
PTRmail-sa9pr04cu00201.inbound.protection.outlook.com
A52.101.9.2🇺🇸 Microsoft
PTRmail-mn2pr02cu00202.inbound.protection.outlook.com
A52.101.10.5🇺🇸 Microsoft
PTRmail-bn6pr04cu00105.inbound.protection.outlook.com
A52.101.194.17🇺🇸 Microsoft
PTRmail-ch5pr02cu00401.inbound.protection.outlook.com
A52.101.194.19🇺🇸 Microsoft
PTRmail-ch5pr02cu00303.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

externalsystems-com.mail.protection.outlook.com functions as a mail server for externalsystems.com.

Eight IP numbers are pointed to by externalsystems-com.mail.protection.outlook.com: 2a01:111:f403:c91d::, 2a01:111:f403:f902::, 2a01:111:f403:f90b::, 2a01:111:f403:f90f::1, 52.101.9.2, 52.101.10.5, 52.101.194.17 and 52.101.194.19.

Other host names such as safeandsoundsecurity-com.mail.protection.outlook.com, ostrowlawfirm-com.mail.eo.outlook.com, adventurebags-org.mail.protection.outlook.com, filmaka-com.mail.protection.outlook.com and jblmedia-com.mail.protection.outlook.com share IPs with externalsystems-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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