CF1763357532396-tsm20251116095642

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

Search for IP or hostnames:

extsrv-com.mail.protection.outlook.com checked at 2025-11-17T05:32:12.263Z 699ms 60/60/60 100% R:14 allDone:true timedOut:false

extsrv-com.mail.protection.outlook.com

A2a01:111:f403:ca04:: 🇮🇪 Microsoft
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::c 🇮🇪 Microsoft
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca09::1 🇳🇱 Microsoft
PTRmail-as9pr07cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca09::d 🇳🇱 Microsoft
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.8🇮🇪 Microsoft
PTRmail-du0pr03cu00100.inbound.protection.outlook.com
A52.101.68.15🇮🇪 Microsoft
PTRmail-db6pr03cu00107.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft
PTRmail-am3pr04cu00501.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

extsrv-com.mail.protection.outlook.com is the mail server for extsrv.com.

Eight IP numbers are pointed to by extsrv-com.mail.protection.outlook.com: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::c, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::d, 52.101.68.8, 52.101.68.15, 52.101.68.16 and 52.101.73.1.

other host names for instance it4charity-org-uk.mail.protection.outlook.com, hamptworthestate-co-uk.mail.protection.outlook.com, jachan-at.mail.protection.outlook.com, hazarshoes-com.mail.protection.outlook.com and trividend-be.mail.protection.outlook.com share IP numbers with extsrv-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.
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