PowerDNS DNS Software

PowerDNS is a leading DNS software suite developed by Open-Xchange that provides authoritative DNS serving, recursive DNS resolution, and DNS load distribution for internet service providers, telecom operators, hosting providers, and enterprises worldwide. The Authoritative Server is an open-source high-performance engine for reliable domain hosting and lightning-fast query resolution, currently at version 5.1.1, supporting over 20 database backends including PostgreSQL, MySQL, LMDB, and BIND zone files. The Recursor handles recursive DNS resolution with advanced features like DNSSEC validation, query caching, and policy-based filtering, available in versions 5.2 through 5.4 with maintenance releases ensuring stability. DNSdist is a DNS protocol-aware load balancer and traffic distributor that sits in front of DNS servers, providing intelligent routing, rate limiting, dynamic blocks, and real-time visibility into query patterns, currently at version 2.1.0. The ZoneControl management interface provides a web-based control panel for managing DNS zones across distributed infrastructure. Enterprise solutions serve mobile operators with UE DNS for the fastest and most secure internet experience on mobile devices, cable and broadband providers with infrastructure DNS that is fast, scalable, and highly available, hosting providers with bulk domain management, and enterprises with corporate DNS. DNS-based security services include parental controls for safe browsing supervision, malware protection for comprehensive network security, and DNS for ENUM telephone number mapping. Notable customer case studies include BT Group using the platform to meet current broadband and future 5G and IoT traffic demands, Quad9 leveraging it for privacy-friendly public DNS resolution, and Allot integrating it for scalable DNS-based security. The company holds ISO 27001 certification and actively develops the open-source components on GitHub.