DNSWHOIS.INFO - castelion.mail.protection.office365.us

Search for IP or hostnames:

castelion.mail.protection.office365.us checked at 2025-11-11T06:35:17.353Z 179ms 40/40/40 100% R:13 allDone:true timedOut:false

`castelion.mail.protection.office365.us`

A	2001:489a:2202:4::10 ^{🇺🇸 AS8070}
		PTR	`mail-bn3usg020010.inbound.protection.outlook.com`
A	2001:489a:2202:5::10 ^{🇺🇸 AS8070}
		PTR	`mail-cy1usg020010.inbound.protection.outlook.com`
A	23.103.199.138^{🇺🇸 Microsoft}
		PTR	`mail-bn3usg020138.inbound.protection.outlook.com`
A	23.103.199.170^{🇺🇸 Microsoft}
		PTR	`mail-cy1usg020170.inbound.protection.outlook.com`

`mail.protection.office365.us`

	NS	`ns1-proddns.glbdns.protection.office365.us`
	NS	`ns2-proddns.glbdns.protection.office365.us`

MX for

castelion.com

Starts with same word

castelion.com

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AI analysis

castelion.mail.protection.office365.us serves as the mail server for castelion.com.

castelion.mail.protection.office365.us points to four IP numbers: 2001:489a:2202:4::10, 2001:489a:2202:5::10, 23.103.199.138 and 23.103.199.170.

Other host names including hadrianautomation.mail.protection.office365.us, dextermag-com.mail.protection.office365.us, sednadigital.mail.protection.office365.us, dsdlabs.mail.protection.office365.us and gblsysco.mail.protection.office365.us share IP numbers with castelion.mail.protection.office365.us.

dbq