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

Search for IP or hostnames:

spire.mail.protection.office365.us checked at 2025-10-15T06:27:46.236Z 168ms 33/33/33 100% R:13

`spire.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

spire.com

exactearth.com

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AI analysis

The mail server spire.mail.protection.office365.us handles mail for spire.com and exactearth.com.

ms34222539.msv1.invalid serves as a mail server, commonly paired with spire.mail.protection.office365.us.

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

Other host names, for instance govsg.mail.protection.office365.us, wielandcfree.mail.protection.office365.us, mscorp.mail.protection.office365.us, bellaero-com.mail.protection.office365.us and natoseasparrow-org.mail.protection.office365.us share IP numbers with spire.mail.protection.office365.us.

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