CF1763712225409-tsm20251116095642

DNSWHOIS.INFO - sierrabuildingsystems-net.mail.protection.outlook.com

Search for IP or hostnames:

sierrabuildingsystems-net.mail.protection.outlook.com checked at 2025-11-21T08:03:45.247Z 2758ms 60/60/60 100% R:9 allDone:true timedOut:false

sierrabuildingsystems-net.mail.protection.outlook.com

A2a01:111:f403:c92c:: 🇺🇸 Microsoft
PTRmail-dm5pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:c92c::4 🇺🇸 Microsoft
PTRmail-dm6pr05cu00404.inbound.protection.outlook.com
A2a01:111:f403:f907:: 🇺🇸 Microsoft
A2a01:111:f403:f90d:: 🇺🇸 Microsoft
PTRmail-sn1pr0501cu00200.inbound.protection.outlook.com
A52.101.9.0🇺🇸 Microsoft
PTRmail-bl2pr02cu00100.inbound.protection.outlook.com
A52.101.9.11🇺🇸 Microsoft
PTRmail-bl2pr04cu00103.inbound.protection.outlook.com
A52.101.10.5🇺🇸 Microsoft
PTRmail-bn6pr04cu00105.inbound.protection.outlook.com
A52.101.41.58🇺🇸 Microsoft
PTRmail-sj0pr02cu00102.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

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

sierrabuildingsystems-net.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c92c::, 2a01:111:f403:c92c::4, 2a01:111:f403:f907::, 2a01:111:f403:f90d::, 52.101.9.0, 52.101.9.11, 52.101.10.5 and 52.101.41.58.

Other host names such as christinewolff-com.mail.protection.outlook.com, coloradolife-co.mail.protection.outlook.com, lighthillhomes-com.mail.protection.outlook.com, aspendds-net.mail.protection.outlook.com and mikemagaldi-com.mail.protection.outlook.com share IP numbers with sierrabuildingsystems-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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