Which domain extension have empty WHOIS when searched ? (offshore WHOIS)

hi everyone, does anyone know which domain extension does not have " WHOIS " data shown on it ? or anywhere else ? Looking for a couple of extension that doesnt show WHOIS data, .to domain used to be empty on WHOIS when searched, now everyone can see it.

Almost all major TLDs don't display the data of the owner for privacy reasons. It used to be a paid feature but for years now, especially after GDRP they show only dummy data.

gpetkof said:

Almost all major TLDs don't display the data of the owner for privacy reasons. It used to be a paid feature but for years now, especially after GDRP they show only dummy data.

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no, what i meant was it will NOT display a snigle thing, it will prompt like domain extension not supported.