How to get .io registrant email

[mike2100]

whois data don't show the email
and there's no website developed under the domain name
any suggestions ?

 

[usernamex]

http://www.nic.io/faq.xzx
3. I'm interesting in contacting the owner of another domain, but the contact details for the current owner are hidden.

We have a form you can fill out that will send an email message (of your choice) to the current owner without revealing their contact details to you.

It is necessary for you to register on our system and Login, to use this facility.

After the have logged in click the More Options button, then select Message the Owner of another domain

(All typos are from them!)