WWW.RTSAK.COM - mail.challengeip.com

Search for IP or hostnames:

mail.challengeip.com checked at 2025-10-01T23:47:37.374Z 359ms 73/73/73 100% R:15

`mail.challengeip.com`

	CNAME	`mail.office365.com`
	CNAME	`outlook.office365.com`
	CNAME	`ooc-g2.tm-4.office.com`
	CNAME	`outlook.ms-acdc.office.com`
	A	2603:1036:206:41::2 ^{🇺🇸 Microsoft}
	A	2603:1036:302:860::2 ^{🇺🇸 Microsoft}
	A	2603:1036:302:40b4::2 ^{🇺🇸 Microsoft}
	A	2603:1036:302:4823::2 ^{🇺🇸 Microsoft}
	A	2603:1036:302:4834::2 ^{🇺🇸 Microsoft}
	A	2603:1036:302:4847::2 ^{🇺🇸 Microsoft}
	A	2603:1036:302:5059::2 ^{🇺🇸 Microsoft}
	A	2603:1036:903:4::8 ^{🇺🇸 Microsoft}

`challengeip.com`

	MX	`mail.challengeip.com`
	NS	`aisha.ns.cloudflare.com`
	NS	`chuck.ns.cloudflare.com`
	MX	`challengeip-com.mail.protection.outlook.com`
	A	2606:4700:130:436c:6f75:6466:6c61:7265 ^{🇺🇸 Cloudflare}
	A	172.64.80.1^{🇺🇸 Cloudflare}

MX for

challengeip.com

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AI analysis

mail.challengeip.com serves as the mail server for challengeip.com.

challengeip-com.mail.protection.outlook.com commonly serves as a mail server along with mail.challengeip.com.

Eight IP numbers are pointed to by mail.challengeip.com: 2603:1036:206:41::2, 2603:1036:302:860::2, 2603:1036:302:40b4::2, 2603:1036:302:4823::2, 2603:1036:302:4834::2, 2603:1036:302:4847::2, 2603:1036:302:5059::2 and 2603:1036:903:4::8.

other host names include 4c3073811c8b0ca16e3e3bed71ff4076.fp.measure.office.com, eb710b463630aa4d4bc59ab0b7e12c61.fp.measure.office.com, 6fa8e30c970ce30878a752019c1c85ce.fp.measure.office.com, c93aba29db9376b8361e5afdfb63fcf4.fp.measure.office.com and 586644ae531324df9ea86f18d3443d67.fp.measure.office.com; they share IP numbers with mail.challengeip.com.

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