IPLIST.NET - mx1.fastmail.com

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mx1.fastmail.com checked at 2025-10-17T19:20:10.423Z 132ms 87/87/87 100% R:9

`mx1.fastmail.com`

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`

`fastmail.com`

	NS	`fmns1.messagingengine.com`
	NS	`fmns2.messagingengine.com`
	MX	`in1-smtp.messagingengine.com`
	MX	`in2-smtp.messagingengine.com`
	A	103.168.172.65^{🇺🇸 FASTMAILPTYLTD-AS-AP}

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AI analysis

mx1.fastmail.com points to two IP numbers: 103.168.172.37 and 103.168.172.52.

Other host names such as actionsets.com, bettymail.live, unitytrust.ca, laboratorioramina.com and gamez.name share IP numbers with mx1.fastmail.com.

mx1.fastmail.com is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

mx1.fastmail.com uses the same mail server setup as other domains, for instance bluecamel.imap.cc, engtools.io, varvara.ca, rectatech.com and urbanist.us.

mx1.fastmail.com shares some mail servers with other domains at least partially, for example slimpixels.net, batch.co.nz and ducoin.fr.

Eight IPs for host names:

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.

Two IPs for host names:

in2-smtp.messagingengine.com points to 202.12.124.216 and 202.12.124.217.

dbq