- This series of documents attempts to provide a correct introduction to the Domain Name System as of 2018.
- Hurricane Electric – free of charge.
- Rackspace DNS – free of charge.
- PointHQ – $.
- REDIRECT.ME – “Configure domain redirects and URL forwarding with a simple DNS record”.
Hosted Pi-Hole: nextdns.io; HN announcement, May 2019. Update: I started using this on Jan 23, 2020.