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.
Domain Name: 89301.biz.nf
Domain Status: No Object Found
>>> Last update of WHOIS database: 2017-02-20T10:14:08.343Z <<<
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