Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
Efficient IP DNS Security - Efficient IP DNS Security is a 360 degree DNS security and network protection solution that fills the DNS security gap left by traditional security systems.
GoDaddy DNS - GoDaddy DNS helps manage website performance, reliability and security.
Cloudflare DNS - Install the free app that makes your phone’s Internet more fast, private, and reliable.
DNSimple - Domain Name Service with low cost hosted DNS, an easy to use web interface, and a REST API for automation. Hosting DNS has never been so simple.
Cisco Umbrella DNS-layer security - Cisco Umbrella DNS-layer security is a leading provider of network and recursive DNS services that provide the quickest and most effective way to improve your security stack.