CF1761723498100-tsm20251027103946

DNSWHOIS.INFO - server4.fastmail.fm

Search for IP or hostnames:

server4.fastmail.fm checked at 2025-10-29T07:38:18.076Z 213ms 69/69/69 100% R:15

server4.fastmail.fm

MXin1-smtp.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
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-06.messagingengine.com
A103.168.172.37🇺🇸 FASTMAILPTYLTD-AS-AP
PTRuserweb.fastmail.com
A103.168.172.52🇺🇸 FASTMAILPTYLTD-AS-AP
PTRuserweb.fastmail.com

fastmail.fm

NSfmns1.messagingengine.com
NSfmns2.messagingengine.com
MXin1-smtp.messagingengine.com
MXin2-smtp.messagingengine.com
A103.168.172.65🇺🇸 FASTMAILPTYLTD-AS-AP
rank #46124 globally
rank #40 in the tld
This domain, "fastmail.fm", is associated with Fastmail, an email service offering paid email accounts for individuals and organizations. It is known for providing a secure, spam-free environment with a robust feature set. Users can send and receive emails and manage their calendars and contacts. The domain name signifies its primary function as a fast and reliable email service.

Starts with same word

Starts similarily

AI analysis

server4.fastmail.fm points to two IP numbers: 103.168.172.37 and 103.168.172.52.

Other host names such as www.gigabee.com, zimmd.com, ns1.kolbu.ws, www.lbkltd.net and estepais.es share IP numbers with server4.fastmail.fm.

server4.fastmail.fm is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

server4.fastmail.fm uses the same mail server setup as other domains, for instance scriptea.se, sharplet.me, aracom.org, ascendwv.com and aurand.us.

Host names with four IP numbers:

in1-smtp.messagingengine.com points to 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 103.168.172.220 and 103.168.172.221.

Host names that point to 103.168.172.220: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

Host names that point to 103.168.172.221: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

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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