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.
% This is the RIPE Database query service.
% The objects are in RPSL format.
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf
% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.
%ERROR:101: no entries found
% No entries found in source RIPE.
% This query was served by the RIPE Database Query Service version 1.91.1 (WAGYU)