ROBTEX.COM - smtp1.postbox.to

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smtp1.postbox.to checked at 2025-12-18T19:53:13.539Z 2604ms 90/90/90 100% R:15 allDone:true timedOut:false

`smtp1.postbox.to`

	MX	`in1-smtp.messagingengine.com`
			A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-01.messagingengine.com`
			A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-02.messagingengine.com`
			A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-03.messagingengine.com`
			A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-04.messagingengine.com`
			A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-05.messagingengine.com`
			A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-06.messagingengine.com`
			A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-07.messagingengine.com`
			A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP}
				PTR	`phl-mx-08.messagingengine.com`
	MX	`in2-smtp.messagingengine.com`
			A	202.12.124.216^{FASTMAILPTYLTD-AS-AP}
				PTR	`stl-mx-01.messagingengine.com`
			A	202.12.124.217^{FASTMAILPTYLTD-AS-AP}
				PTR	`stl-mx-02.messagingengine.com`
	A	103.168.172.37^{🇺🇸 FASTMAILPTYLTD-AS-AP}
			PTR	`userweb.fastmail.com`
	A	103.168.172.52^{🇺🇸 FASTMAILPTYLTD-AS-AP}
			PTR	`userweb.fastmail.com`

`postbox.to`

	MX	`in1-smtp.messagingengine.com`
	MX	`in2-smtp.messagingengine.com`
	NS	`ns1.messagingengine.com`
	NS	`ns2.messagingengine.com`
	A	103.168.172.37^{🇺🇸 FASTMAILPTYLTD-AS-AP}
	A	103.168.172.52^{🇺🇸 FASTMAILPTYLTD-AS-AP}

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AI analysis

smtp1.postbox.to points to two IP numbers: 103.168.172.37 and 103.168.172.52.

Other host names such as ns.lunde.com, plesk.zerosandones.co.uk, sokradev.com, mohober.com and ns2.wdev.net share IPs with smtp1.postbox.to.

Two mail servers handle smtp1.postbox.to: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

smtp1.postbox.to shares the same mail server setup as other domains, including thundermix.com, microtron.nu, erwaysoftware.com, edgewall.org and lightningbbs.com.

smtp1.postbox.to shares some mail servers with other domains, for example acapulco70.com.

Host names with eight IP numbers: in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223. Host names with two IP numbers: in2-smtp.messagingengine.com points to 202.12.124.216 and 202.12.124.217.