CF1763638519877-tsm20251116095642

DNSWHOIS.INFO - 21e3bf3bf975858e7500343668a1d2.mail.outlook.com

Search for IP or hostnames:

21e3bf3bf975858e7500343668a1d2.mail.outlook.com checked at 2025-11-20T11:35:19.862Z 220ms 57/57/57 100% R:14 allDone:true timedOut:false

21e3bf3bf975858e7500343668a1d2.mail.outlook.com

A2a01:111:f403:c936:: 🇺🇸 Microsoft
PTRmail-cy1pr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:c946::2 🇺🇸 Microsoft
PTRmail-ch4pr04cu00102.inbound.protection.outlook.com
A2a01:111:f403:c946::5 🇺🇸 Microsoft
PTRmail-ch4pr21cu00105.inbound.protection.outlook.com
A2a01:111:f403:f802::3 🇺🇸 Microsoft
PTRmail-sj0pr03cu01403.inbound.protection.outlook.com
A52.101.10.1🇺🇸 Microsoft
PTRmail-bn6pr02cu00301.inbound.protection.outlook.com
A52.101.10.2🇺🇸 Microsoft
PTRmail-bn8pr03cu00202.inbound.protection.outlook.com
A52.101.41.26🇺🇸 Microsoft
PTRmail-sj0pr03cu01702.inbound.protection.outlook.com
A52.101.194.19🇺🇸 Microsoft
PTRmail-ch5pr02cu00303.inbound.protection.outlook.com

mail.outlook.com

NSns1-80.azure-dns.com
NSns4-80.azure-dns.info
NSns2-80.azure-dns.net
NSns3-80.azure-dns.org

AI analysis

Eight IP numbers are pointed to by 21e3bf3bf975858e7500343668a1d2.mail.outlook.com: 2a01:111:f403:c936::, 2a01:111:f403:c946::2, 2a01:111:f403:c946::5, 2a01:111:f403:f802::3, 52.101.10.1, 52.101.10.2, 52.101.41.26 and 52.101.194.19.

Other host names such as mknmfg-com.mail.protection.outlook.com, kaukaunawi-org02b.mail.protection.outlook.com, savinengineers-com.mail.protection.outlook.com, rfmw-eu.mail.protection.outlook.com and vcert-com.mail.protection.outlook.com share IPs with 21e3bf3bf975858e7500343668a1d2.mail.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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