WWW.RTSAK.COM - smtpserver.firstco.com

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smtpserver.firstco.com checked at 2025-10-19T13:02:21.389Z 53ms 17/17/17 100% R:9

`smtpserver.firstco.com`

	NS	`ns1.firstco.com`
	NS	`ns2.firstco.com`
	MX	`d258425a.ess.barracudanetworks.com`
	MX	`d258425b.ess.barracudanetworks.com`
	A	141.193.213.20^{🇺🇸 Cloudflare London}
	A	141.193.213.21^{🇺🇸 Cloudflare London}

21.20.39.209.in-addr.arpa

dbq