DNSWHOIS.INFO - prob-hctx-net.mail.protection.outlook.com

Search for IP or hostnames:

prob-hctx-net.mail.protection.outlook.com checked at 2025-10-08T11:22:47.727Z 205ms 63/63/63 100% R:9

`prob-hctx-net.mail.protection.outlook.com`

A	2a01:111:f403:f900::1 ^{🇺🇸 Microsoft}
		PTR	`mail-blapr09cu00101.inbound.protection.outlook.com`
A	2a01:111:f403:f904:: ^{🇺🇸 Microsoft}
		PTR	`mail-dm6pr09cu00200.inbound.protection.outlook.com`
A	2a01:111:f403:f904::1 ^{🇺🇸 Microsoft}
		PTR	`mail-ds0pr09cu00101.inbound.protection.outlook.com`
A	2a01:111:f403:f90e::1 ^{🇺🇸 Microsoft}
		PTR	`mail-sa9pr09cu00101.inbound.protection.outlook.com`
A	52.101.8.50^{🇺🇸 Microsoft}
		PTR	`mail-dm6pr09cu00202.inbound.protection.outlook.com`
A	52.101.8.52^{🇺🇸 Microsoft}
		PTR	`mail-ds0pr09cu00104.inbound.protection.outlook.com`
A	52.101.9.19^{🇺🇸 Microsoft}
		PTR	`mail-blapr09cu00103.inbound.protection.outlook.com`
A	52.101.11.12^{🇺🇸 Microsoft}
		PTR	`mail-sa9pr09cu00104.inbound.protection.outlook.com`

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

prob.hctx.net

prob-hctx-net.mail.protection.outlook.com serves as the mail server for prob.hctx.net.

mx3.smtp.hctx.net, mx4.smtp.hctx.net and mx5.smtp.hctx.net are commonly used as mail servers together with prob-hctx-net.mail.protection.outlook.com.

prob-hctx-net.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:f900::1, 2a01:111:f403:f904::, 2a01:111:f403:f904::1, 2a01:111:f403:f90e::1, 52.101.8.50, 52.101.8.52, 52.101.9.19 and 52.101.11.12.

dbq