Global computer system domain name searching services; information services concerning availability of domain names; services providing information indicating expired domain names, services providing information concerning listings of domain names for sale by others; computer services, namely, assisting users in registering previously registered domain names by registering the domain names when the domain names become publicly available; Web site security services, namely, monitoring of computer systems for security purposes; maintaining domain name registration for identification of users on a global computer network; licensing of software; domain name registry services, namely, coordinating the registration of domain names for identification of users and Internet protocol addresses on the Internet; registration of domain names, namely, processing, registering, tracking and implementing addresses for identification of users on a global computer network; computer security assurance and administration of digital keys and digital certificates, namely, public key infrastructure ("PKI") verification, authentication, distribution and management, digital certificate issuance, verification and management, and enterprise software integration