The stability is excellent and the product is very mature.
Palo Alto Networks DNS Security provides robust DNS filtering and insight capabilities, enhancing security by detecting malicious requests. The product is known for stability and seamlessly introducing new features. Critical elements include DNSSEC and DNS sinkhole. While effective against attacks and malware, there are scalability concerns and high costs. Issues like disconnected DNS clients and outsourced support hinder performance. Users request flexible management options to improve overall functionality.