CF1761912141734-tsm20251029173950

NSLIST.NET - firststepcom-de02c.mail.protection.outlook.com

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firststepcom-de02c.mail.protection.outlook.com checked at 2025-10-31T12:02:21.674Z 1133ms 60/60/60 100% R:11

firststepcom-de02c.mail.protection.outlook.com

A2a01:111:f403:ca04::5 🇮🇪 Microsoft
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca04::9 🇮🇪 Microsoft
PTRmail-db7pr03cu00601.inbound.protection.outlook.com
A2a01:111:f403:ca04::d 🇮🇪 Microsoft
PTRmail-db6pr03cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::2 🇳🇱 Microsoft
PTRmail-am0pr83cu00402.inbound.protection.outlook.com
A52.101.68.15🇮🇪 Microsoft
PTRmail-db6pr03cu00107.inbound.protection.outlook.com
A52.101.68.32🇮🇪 Microsoft
PTRmail-db3pr0202cu00200.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.24🇳🇱 Microsoft
PTRmail-as8pr05cu00300.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

firststepcom-de02c.mail.protection.outlook.com functions as a mail server for firststep-com.de.

Eight IP numbers are pointed to by firststepcom-de02c.mail.protection.outlook.com: 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::9, 2a01:111:f403:ca04::d, 2a01:111:f403:ca09::2, 52.101.68.15, 52.101.68.32, 52.101.73.1 and 52.101.73.24.

Other host names such as baucontrol-ch.mail.protection.outlook.com, washintown-be.mail.protection.outlook.com, ochoalacar-com.mail.protection.outlook.com, asvservicestelle-de0i.mail.protection.outlook.com and setmedia-pl.mail.eo.outlook.com share IPs with firststepcom-de02c.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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