1. A computer-implemented Whols search method comprising steps of: receiving and storing domain names and corresponding owner information associated with the domain names in one or more networked databases; determining suffixes of the domain names that have at least a minimum length of characters: indexing the suffixes of the domain names determined to have the minimum length of characters and suffixes of text-searchable portions of the corresponding owner information; storing the suffixes in one or more text indexes; receiving a search request and one or more search preferences from a user; searching the one or more text indexes in response to the search request; receiving search results including at least one matched domain name; querying the one or more network databases for owner information corresponding to the at least one matched domain name; and displaying the at least one matched domain name and the corresponding owner information to the user.