The Trinidad and Tobago Network Information Centre (TTNIC) is responsible for the registration and management of domains under the .TT (Trinidad and Tobago) Country Code Top Level Domain (ccTLD). Customers can register single and multiple character second level domains (e.g., a.tt and companyname.tt), as well as third level domains under co.tt, com.tt, org.tt, net.tt, biz.tt, pro.tt, info.tt, and name.tt (e.g., companyname.com.tt).