AFAIK there are companies behind any TLD domain and the domain registrars have to send the info about you to them. Whenever you're doing a WHOIS query, the client asks hard coded servers about the WHOIS server for the TLD of the url it requested (e.g. dev.to). They returns the servers responsible for that TLD (.to), the client asks them about the domain (WHOIS dev.to SERVER:{some company responsible for the .to TLD}) and you get your stuff.
It's like a DNS query. You ask hard coded servers, they response with some other servers, they response with the data.
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AFAIK there are companies behind any TLD domain and the domain registrars have to send the info about you to them. Whenever you're doing a WHOIS query, the client asks hard coded servers about the WHOIS server for the TLD of the url it requested (e.g. dev.to). They returns the servers responsible for that TLD (
.to), the client asks them about the domain (WHOIS dev.to SERVER:{some company responsible for the .to TLD}) and you get your stuff.It's like a DNS query. You ask hard coded servers, they response with some other servers, they response with the data.