Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
No-IP - Dynamic DNS and Managed DNS Provider
ClouDNS - ClouDNS is a platform that allows users to keep their websites, data, and network security all the time.
DNS-O-Matic - DNS-O-Matic (dnsomatic.
Cloudflare DNS - Install the free app that makes your phone’s Internet more fast, private, and reliable.
Duiadns - free dynamic dns, enhanced ipv6 features, apple routers mDNS support.