After you register your .to domain name, DNS propagation needs to take place.  Generally speaking, DNS propagation is the automated process of updating the world's nameservers with the new DNS zone.  This fully automated process begins at the moment of registration, and can take 24 to 48 hours for full worldwide propagation, however partial / working propagation may be achieved in as little as 6 hours.  You may use our DNS Propagation Checker to monitor your .to domain's propagation status here: DNS Propagation Checker
You may confirm that your .to domain name has been registered by doing a Whois Lookup on your domain name here: .TO Domain Whois Lookup
If you have any questions or concerns about your new .to registration our support staff will be happy to help you.  Please feel free to contact our support staff at anytime by opening a ticket here: Contact Us