What is the whois server for .io?
By default, whois server for .io TLD is whois.nic.io. This can be used to fetch the .io domain/website whois information. Extension .io sponsoring organisation is IO Top Level Domain RegistryCable and Wireless and its registered on 16-09-1997.
Sponsoring Organisation Details
Diego Garcia.
British Indian Ocean Territory.
Usage
whois -h <whois server> <domain name>
For example
whois -h whois.nic.io hiox.io
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