VeriSign, Inc. (NASDAQ: VRSN) is an internet infrastructure company that operates critical components of the global Domain Name System (DNS) and provides cybersecurity-related services. The company is best known as the authoritative registry operator for the .com and .net top-level domains, maintaining the central databases and zone files that enable domain name resolution for millions of websites. VeriSign’s registry role is performed under contractual agreements with Internet Corporation for Assigned Names and Numbers (ICANN) and involves high-availability, highly secure operations to support continuous internet connectivity.
In addition to its registry business, VeriSign offers a suite of services designed to protect and accelerate DNS and internet traffic for enterprises and service providers. Its product offerings include managed DNS services, distributed denial-of-service (DDoS) mitigation and related security solutions, as well as analytics and threat intelligence capabilities that help customers detect and respond to internet-scale attacks. These services are positioned to complement the company’s registry expertise by addressing availability, performance and security requirements of organizations that depend on resilient online presence.
VeriSign serves a global customer base that includes domain name registrars, enterprise customers, web infrastructure providers and government entities. Its infrastructure and services are distributed and engineered for high reliability and scale, reflecting the need to support continuous resolution of domain names and protection against volumetric and application-layer attacks that can affect internet availability worldwide.
Founded in 1995 and headquartered in Reston, Virginia, VeriSign has evolved from early internet infrastructure roots into a company focused on registry operations and DNS-related security services. It is publicly traded on the NASDAQ under the ticker VRSN. The company’s operations and contractual obligations with internet governance bodies make it a foundational provider in the domain name ecosystem and a participant in broader efforts to safeguard and stabilize internet infrastructure.