Changes

.ac is the [[country code top-level domain]] (ccTLD) for Saint Helena, Ascension and Tristan da Cunha, used primarily for [[Ascension Island]] (Saint Helena has its own ccTLD, .sh). It is managed by [[NIC.ac|NIC.AC]], a subsidiary of the [[Internet Computer Bureau]] based in the United Kingdom. Registration for the domain is open to anyone. <ref name="nic.ac">[https://www.nic.ac/index.htm Nic.ac Main Page]</ref>   

.ac is the ccTLD for Saint Helena, Ascension and Tristan da Cunha, used primarily for [[Ascension Island]] (Saint Helena has its own ccTLD, .sh). It is managed by [[NIC.ac|NIC.AC]], a subsidiary of the [[Internet Computer Bureau]] based in the United Kingdom. Registration for the domain is open to anyone. <ref name="nic.ac">[https://www.nic.ac/index.htm Nic.ac Main Page]</ref>   

==Usage==

==Usage==