Russified slang version of the name of the online service Whois, which provides an opportunity to get acquainted with history domain names, as well as data on their owners.

Whois is resorted to when a domain is selected for a new website and you need to make sure that it is unemployed. Also, if you want to take an existing domain, you can find out the end date of its registration.

Even in “Whois” (Whois) you can view archive copies of websites from different time intervals of their existence. Such a function will be useful to those who are considering the possibility of acquiring a used domain and want to study the web resources that were posted on it earlier, as well as optimizers - to study the history of sites of successful competitors.