Providing temporary use of on-line, non-downloadable software for use as a global public domain name system recursive resolver with encryption and validation; providing temporary use of on-line, non-downloadable software for use as a global public domain name system recursive resolver with encryption; providing temporary use of on-line, non-downloadable software for use as a global public domain name system recursive resolver with validation; providing temporary use of on-line, non-downloadable software for use as a global public domain name system recursive resolver; providing temporary use of on-line, non-downloadable software for use as a global public domain name system recursive resolver without collection of personal user information; providing temporary use of on-line, non-downloadable software for use as a global public domain name system recursive resolver operative with support for encryption; providing temporary use of on-line, non-downloadable software for use as a global public domain name system recursive resolver operative with cyber-threat mitigation; providing web based interfaces for others, namely, the configuration of a global public domain name system recursive resolver; providing web based interfaces for others, namely, information about global public domain name system recursive resolvers; providing domain name resolution services related to determining internet protocol (IP) addresses corresponding to specified domain names for others