CF1762836662132-tsm20251109205412

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

Search for IP or hostnames:

classringbuilder-com.mail.protection.outlook.com checked at 2025-11-11T04:51:02.114Z 220ms 63/63/63 100% R:15 allDone:true timedOut:false

classringbuilder-com.mail.protection.outlook.com

A2a01:111:f403:c902:: 🇺🇸 Microsoft
PTRmail-sj2pr05cu00300.inbound.protection.outlook.com
A2a01:111:f403:f802::2 🇺🇸 Microsoft
PTRmail-sj2pr05cu00202.inbound.protection.outlook.com
A2a01:111:f403:f90f::1 🇺🇸 Microsoft
PTRmail-sa9pr04cu00201.inbound.protection.outlook.com
A2a01:111:f403:f912:: 🇺🇸 Microsoft
PTRmail-cy5pr03cu00200.inbound.protection.outlook.com
A52.101.8.34🇺🇸 Microsoft
PTRmail-dm2pr04cu00102.inbound.protection.outlook.com
A52.101.11.19🇺🇸 Microsoft
PTRmail-sa9pr04cu00203.inbound.protection.outlook.com
A52.101.40.0🇺🇸 Microsoft
PTRmail-cy5pr03cu00300.inbound.protection.outlook.com
A52.101.41.3🇺🇸 Microsoft
PTRmail-sj2pr05cu00103.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

classringbuilder-com.mail.protection.outlook.com handles mail for classringbuilder.com.

mx1-usg1.ppe-hosted.com, mx2-usg1.ppe-hosted.com and mx3-usg1.ppe-hosted.com are commonly used mail servers together with classringbuilder-com.mail.protection.outlook.com.

classringbuilder-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c902::, 2a01:111:f403:f802::2, 2a01:111:f403:f90f::1, 2a01:111:f403:f912::, 52.101.8.34, 52.101.11.19, 52.101.40.0 and 52.101.41.3.

Other host names such as heroicheartsllc-com.mail.protection.outlook.com, realexpresso-com-br.mail.protection.outlook.com, obgic-com-hk.mail.protection.outlook.com, summitlogexp-com.mail.protection.outlook.com and ahavathsholom-org.mail.protection.outlook.com share IPs with classringbuilder-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.
dbq