mx1.emailsrvr.com has address 108.166.43.1
This page provides an online version of the OS hostname and whois commands. It allows you to retrieve publicly available DNS and Whois information for any website or hostname through a single interface.
Host Info
cleantalk.org:~$ host mx1.emailsrvr.com
mx1.emailsrvr.com has address 108.166.43.1 mx1.emailsrvr.com has address 184.106.54.1 mx1.emailsrvr.com has address 146.20.161.1 mx1.emailsrvr.com has address 173.203.187.1 Whois info
cleantalk.org:~$ whois mx1.emailsrvr.com
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
%ERROR:101: no entries found
%
% No entries found in source RIPE.
% This query was served by the RIPE Database Query Service version 1.123 (BUSA)
