WWW.RTSAK.COM - spectra.mail.protection.office365.us

Search for IP or hostnames:

spectra.mail.protection.office365.us checked at 2025-10-24T07:24:33.323Z 296ms 30/30/30 100% R:11

`spectra.mail.protection.office365.us`

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

calculex.com

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AI analysis

spectra.mail.protection.office365.us serves as the mail server for calculex.com.

spectra.mail.protection.office365.us resolves to two IP numbers: 23.103.199.138 and 23.103.199.170.

Other host names, for instance msidefencesystemsus.mail.protection.office365.us, broadwayventures.mail.protection.office365.us, qualitysupport.mail.protection.office365.us, zone5technologies.mail.protection.office365.us and intrepidgcch.mail.protection.office365.us share IP numbers with spectra.mail.protection.office365.us.

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