It is very common for users to misspell domain names, at some cases these typos result in users ending up in competitors website. You can reduce these phenomena by adding alternative spelling options to the domain name, as part of the site content hence covering some of the more common spelling errors and typos.
WhoIs lets you perform a domain whois search, whois IP lookup and search the whois database for relevant information on domain registration and availability.
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% Intended use of supplied data and information
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
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% See also a search service at http://www.nic.cz/whois/
% Whoisd Server Version: 3.10.2
% Timestamp: Sat Jan 13 10:58:26 2018
registered: 24.10.2005 15:35:00
changed: 07.04.2011 20:10:06
name: Erik Lukas Dostál
address: Údolní 388/8
created: 31.03.2011 18:16:09
created: 01.10.2007 13:33:01
changed: 05.01.2012 02:07:04
name: Pavel Hofner
address: Lounská 983/43
address: 405 02
created: 01.09.2006 22:45:00
changed: 20.12.2011 12:42:05