Definition, synonyms and related words
whois
"You can run a whois command to find out when the domain name was originally registered."
To look up using a whois protocol.
"The administrator used the command-line tool to perform a whois lookup on the suspicious domain name."
In plain English: To whois means to look up information about someone's online identity, such as their name and contact details.
"We need to run whois on this domain before buying it."