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classcourier-com.mail.protection.outlook.com checked at 2025-12-17T21:20:06.606Z 1608ms 60/60/60 100% R:14 allDone:true timedOut:false

`classcourier-com.mail.protection.outlook.com`

A	2a01:111:f403:c902::14^{🇺🇸 Microsoft}
		PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
A	2a01:111:f403:c946::6^{🇺🇸 Microsoft}
		PTR	`mail-ch5pr02cu00406.inbound.protection.outlook.com`
A	2a01:111:f403:f912::^{🇺🇸 Microsoft}
		PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
A	2a01:111:f403:f913::1^{🇺🇸 Microsoft}
		PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
A	52.101.8.46^{🇺🇸 Microsoft}
		PTR	`mail-dm6pr05cu00406.inbound.protection.outlook.com`
A	52.101.10.2^{🇺🇸 Microsoft}
		PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
A	52.101.11.3^{🇺🇸 Microsoft}
		PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
A	52.101.41.22^{🇺🇸 Microsoft}
		PTR	`mail-sj2pr05cu00406.inbound.protection.outlook.com`

	NS	`ns1-proddns.glbdns.o365filtering.com`
	NS	`ns2-proddns.glbdns.o365filtering.com`

classcourier.com

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