DigiCert DNS Trust Manager provides a secondary DNS service with globally distributed infrastructure and strategically located DNS servers to ensure high availability and low latency. It features advanced security measures including DNSSEC for data authenticity and protection against DNS-based attacks, along with 24 points of presence and bare-metal nameservers delivering fast response times averaging 10 milliseconds worldwide. The platform includes analytics for real-time monitoring, scalability to handle traffic growth, and centralized management through the DigiCert ONE platform.