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iri20191.onmicrosoft.com checked at 2025-12-12T02:55:37.216Z 335ms 55/55/55 100% R:10 allDone:true timedOut:false

iri20191.onmicrosoft.com

MXiri20191.mail.protection.outlook.com
A2a01:111:f403:c946::1🇺🇸 Microsoft
PTRmail-ch1pr04cu00101.inbound.protection.outlook.com
A2a01:111:f403:f901::1🇺🇸 Microsoft
PTRmail-bl0pr02cu00601.inbound.protection.outlook.com
A2a01:111:f403:f909::🇺🇸 Microsoft
PTRmail-bn6pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f913::1🇺🇸 Microsoft
PTRmail-cy5pr05cu00101.inbound.protection.outlook.com
A52.101.9.21🇺🇸 Microsoft
PTRmail-bl2pr04cu00205.inbound.protection.outlook.com
A52.101.11.9🇺🇸 Microsoft
PTRmail-sn1pr02cu00101.inbound.protection.outlook.com
A52.101.11.17🇺🇸 Microsoft
PTRmail-sn1pr0501cu00301.inbound.protection.outlook.com
A52.101.41.56🇺🇸 Microsoft
PTRmail-sj0pr21cu00100.inbound.protection.outlook.com

onmicrosoft.com

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rank #167660 in the tld

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AI analysis

iri20191.onmicrosoft.com is the parent of autodiscover.iri20191.onmicrosoft.com.

iri20191.onmicrosoft.com is handled by a single mail server, iri20191.mail.protection.outlook.com.

Host name iri20191.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c946::1, 2a01:111:f403:f901::1, 2a01:111:f403:f909::, 2a01:111:f403:f913::1, 52.101.9.21, 52.101.11.9, 52.101.11.17 and 52.101.41.56.