Amazon Route 53 - Amazon Route 53 is a highly available and scalable DNS web service.
Domainz.io - Premium domains, for not so premium prices
DNS Made Easy - DNS performance, reliability, and security have never been easier.
Park.io - The best place to backorder/drop purchase expiring ccTLD domain names.
Cloudflare DNS - Install the free app that makes your phone’s Internet more fast, private, and reliable.
estibot - Domain name valuation