CF1762375843737-tsm20251105200708

DNSWHOIS.INFO - nexttier-net01b.mail.protection.outlook.com

Search for IP or hostnames:

nexttier-net01b.mail.protection.outlook.com checked at 2025-11-05T20:50:43.718Z 223ms 57/57/57 100% R:12

nexttier-net01b.mail.protection.outlook.com

A2a01:111:f403:c902:: 🇺🇸 Microsoft
PTRmail-sj2pr05cu00300.inbound.protection.outlook.com
A2a01:111:f403:c903:: 🇺🇸 Microsoft
PTRmail-co1pr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:f901:: 🇺🇸 Microsoft
PTRmail-mn2pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f912:: 🇺🇸 Microsoft
PTRmail-cy5pr03cu00200.inbound.protection.outlook.com
A52.101.10.12🇺🇸 Microsoft
PTRmail-bn1pr21cu00204.inbound.protection.outlook.com
A52.101.10.16🇺🇸 Microsoft
PTRmail-bn6pr21cu00500.inbound.protection.outlook.com
A52.101.10.18🇺🇸 Microsoft
PTRmail-bn8pr05cu00302.inbound.protection.outlook.com
A52.101.41.183🇺🇸 Microsoft
PTRmail-byapr04cu00307.inbound.protection.outlook.com

mail.protection.outlook.com

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

AI analysis

nexttier-net01b.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c902::, 2a01:111:f403:c903::, 2a01:111:f403:f901::, 2a01:111:f403:f912::, 52.101.10.12, 52.101.10.16, 52.101.10.18 and 52.101.41.183.

Other host names, for instance coronadotx-com.mail.protection.outlook.com, attorneysamwalker-com.mail.protection.outlook.com, strategictechtexas-com.mail.protection.outlook.com, lindbergscoveresort-com.mail.protection.outlook.com and blueriverpoolservices-com.mail.protection.outlook.com share IP numbers with nexttier-net01b.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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