WWW.RTSAK.COM - smtp1.emailopen.com

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smtp1.emailopen.com checked at 2025-10-24T02:52:24.281Z 108ms 22/22/22 100% R:10

`smtp1.emailopen.com`

	A	216.133.255.172^{🇺🇸 AS10912}
			PTR	`smtp1.emailopen.com`

	NS	`frank.ns.cloudflare.com`
	NS	`lily.ns.cloudflare.com`
	MX	`emailopen-com.mail.protection.outlook.com`
	A	216.133.255.173^{🇺🇸 AS10912}

172.255.133.216.in-addr.arpa

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smtp1.emailopen.com points to a single IP address: 216.133.255.172.

dbq