Council of Country Code Administrators

The Council of Country Code Administrators (CoCCA), officially CoCCA Registry Services (NZ) Limited, is an Auckland, New Zealand-based nonprofit organisation. Originally incorporated in Christmas Island on 29 June 2004 first as an incorperated society, then as a company CoCCA moved to being based in New Zealand in early 2009. In addition to developing open source Shared Registry System software used by domain name registries of country code top-level domains (ccTLDs), CoCCA also acts as a forum for collaboration and harmonised policy development among member ccTLDs, has a Complaint Resolution Service, and offers purchasable support for TLD managers that includes training, data escrow, and failover sites. As of 2023, of the 308 ccTLDs that have been delegated by the Internet Assigned Numbers Authority, CoCCA software is used to manage 57, as well as being used for six non-country top-level domains.

In 2023, they may have been involve in a security incident.