Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
DNS Max - DNS Max provides a web based DNS management software.
Cloudflare DNS - Install the free app that makes your phone’s Internet more fast, private, and reliable.
ChangeIP - The Fastest and Most Reliable Dynamic DNS
Infoblox DDI - Infoblox’s industry leading integrated, centrally managed approach to delivering enterprise-grade DNS, DHCP, and IP address management (DDI) supports current and evolving IT needs.
No-IP - Dynamic DNS and Managed DNS Provider