Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
Digicert - Encryption & Authentication
GoDaddy DNS - GoDaddy DNS helps manage website performance, reliability and security.
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
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.
SSL For Free - Free SSL Certificate issued in less than a minute.