42 Providing on-line non-downloadable software for authenticating the identification information of senders and recipients of electronic communications; Providing on-line non-downloadable software for authenticating internet domains, phone numbers, email addresses, URLs, digitally signed electronic materials, and social media accounts; Software as a service (SAAS) services featuring software for authenticating the identification information of senders and recipients of electronic communications; Software as a service (SAAS) services featuring software for authenticating internet domains, phone numbers, email addresses , URLs, digitally signed electronic materials, and social media accounts