CF1759226847376-tsm20250929235914

IPLIST.NET - firstpriority.fastmail.net

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firstpriority.fastmail.net checked at 2025-09-30T10:07:27.365Z 103ms 87/87/87 100% R:10

firstpriority.fastmail.net

MXin1-smtp.messagingengine.com
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com
A202.12.124.216 FASTMAILPTYLTD-AS-AP
PTRstl-mx-01.messagingengine.com
A202.12.124.217 FASTMAILPTYLTD-AS-AP
PTRstl-mx-02.messagingengine.com
A103.168.172.37🇺🇸 FASTMAILPTYLTD-AS-AP
PTRuserweb.fastmail.com
A103.168.172.52🇺🇸 FASTMAILPTYLTD-AS-AP
PTRuserweb.fastmail.com

fastmail.net

NSfmns1.messagingengine.com
NSfmns2.messagingengine.com
MXin1-smtp.messagingengine.com
MXin2-smtp.messagingengine.com
A103.168.172.65🇺🇸 FASTMAILPTYLTD-AS-AP

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AI analysis

firstpriority.fastmail.net resolves to two IPs: 103.168.172.37 and 103.168.172.52.

other host names for instance *.kst.com, nextcloud.burrows.wales, dholth.fastmail.fm, altea.ca and forafreecar.com share IP numbers with firstpriority.fastmail.net.

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

firstpriority.fastmail.net shares the same mail server setup as other domains, for instance mail.kewis.ch, we-dont-accept-mail.fastmail.com, meaning-business.com, home.fyi and nevernamed.com.

firstpriority.fastmail.net shares some mail servers with other domains at least partially, for example krion.cc.

Eight IP numbers for the host in1-smtp.messagingengine.com: 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. The host name in2-smtp.messagingengine.com points to: 202.12.124.216 and 202.12.124.217.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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rXYuWne CF johedugfp 2025-09-30