There are 3 domain-based rule types.
Rule matches if the domain of request matches exactly.
Rule matches if the domain of the request matches the suffix. For example: 'google.com' matches 'www.google.com', 'mail.google.com' and 'google.com', but does not match 'content-google.com'.
Rule matches if the domain of the request contains the keyword.
Designed for a large number of domain name list file, supports fast search for thousands of records. Each line in the file is a domain name, if a line begins with . matches all sub-domains and the domain name itself. This can be used for ad filtering.