CF1761415315527-tsm20251024211356

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

Search for IP or hostnames:

duplicatecheck-com.mail.protection.outlook.com checked at 2025-10-25T18:01:55.515Z 153ms 60/60/60 100% R:18

duplicatecheck-com.mail.protection.outlook.com

A2a01:111:f403:ca04::a 🇮🇪 Microsoft
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::5 🇳🇱 Microsoft
PTRmail-am1pr04cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::6 🇳🇱 Microsoft
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::7 🇳🇱 Microsoft
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.28🇳🇱 Microsoft
PTRmail-am7pr05cu00204.inbound.protection.outlook.com

mail.protection.outlook.com

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

MX for

AI analysis

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

Eight IP numbers are pointed to by duplicatecheck-com.mail.protection.outlook.com: 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::7, 52.101.68.0, 52.101.68.18, 52.101.73.2 and 52.101.73.28.

other host names for instance packingtonfreerange-co-uk.mail.protection.outlook.com, kfzteammay-de0i1b.mail.protection.outlook.com, vanderveldewaterplanten-nl.mail.protection.outlook.com, harmony-nl.mail.protection.outlook.com and emrc-ie.mail.protection.outlook.com share IP numbers with duplicatecheck-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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