[1] (2014-11-01 05:54:38 +09:00 版) <https://cabforum.org/wp-content/uploads/BRv1.2.3.pdf#page=10>
Domain Namespace: The set of all possible Domain Names that are subordinate to a single node in the DomainName System.
Domain Namespace: The set of all possible Domain Names that are subordinate to a single node in the Domain
Name System.