defensive registration

A domain name (glossary)domain name A readable internet name made of labels separated by dots. Full definition of domain name registered only so that nobody else can have it, not to use it. Brand owners register their name in extra TLDs (glossary)TLD top-level domain The last part of a domain name, after the final dot. Full definition of TLD and common misspellings this way. It costs a renewal (glossary)renewal Paying to extend a domain registration for more time. Full definition of renewal fee every year for each name, which is why blocking services (glossary)blocking service A registry service that stops a brand's name from being registered across many TLDs. Full definition of blocking service exist.