Discover why so many sites are using the .io domain, with a look at this domain’s origins, benefits, and how to get your own .io website.

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Multiple Domains?
Discover why so many sites are using the .io domain, with a look at this domain’s origins, benefits, and how to get your own .io website.
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Does .IO support internationalized domain names (IDNs) characters?
The .IO Registry is not currently offering IDN characters
What is the least and greatest number of characters permissible?
The minimum is 3 and the maximum is 26.
Does this extension support third level domains?
No, it does not support, you can register only domains with “.oi” extension, it is not supported domains like “.com.oi”.
What is the range of characters that the .IO extension can accommodate?
It is possible to register the letters a to z , the numbers 0 to 9 and the hyphen “-“, but it is not possible to register domains that begin or end with a hyphen “-“ or have it located in the third and fourth positions.
Do you offer Trustee/Proxy Service for this extension?
No, we don’t offer trustee service, please notice though that for this extension there is no residence requirement.
Are there any specific criteria for registering a .OI domain?
No special requirements are needed to register a “.oi” domain.
How can one contact the registry managing this extension?
The contact information is:
Sponsoring Organisation
IO Top Level Domain Registry
Cable and Wireless
Diego Garcia
British Indian Ocean Territory
Administrative Contact
Internet Administrator
IO Top Level Domain Registry Cable and Wireless
Diego Garcia
British Indian Ocean Territory
Email: [email protected]
Phone: +246 9398
Fax: +246 9398
Technical Contact
Administrator
ICB Plc.
9 Queens Road
Bournemouth Dorset BH2 6BA
United Kingdom
Email: [email protected]
Fax: +44 1225 580 550
Which organization oversees the administration of this domain extension?
The organization responsible of this domain extension is “NIC.IO”.
What is the shortest registration duration permitted for this extension?
The minimum registration term for “.oi” extensions is 1 year.
Is there an official whois server for .IO domains?
Yes, it is whois.nic.io
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