This solution sheet details the UltraDNS Health Check tool, which is designed to perform various DNS configuration checks to ensure optimal domain performance and security. It outlines the importance of maintaining proper DNS configurations to prevent operational issues, security vulnerabilities, and performance degradation. The tool conducts checks on different resource record types, including Domain, Name Servers (NS), Mail Exchange (MX), Start of Authority (SOA), and DNS Security (DNSSEC). Each check is aimed at validating configurations according to industry standards and best practices. The document emphasizes that many organizations struggle with DNS management due to the complexity and scale of their implementations, which can lead to misconfigurations and security risks. The UltraDNS Health Check tool simplifies the process by providing detailed results and recommendations for corrections, thus helping organizations maintain RFC compliance and enhance their DNS security posture.