Quentin McGaw

- [ ] Detect IPv6 support - [ ] Use IPv6 if available instead of IPv4 - [ ] Remove `*IPV6` environment variables

For now the current DNSSEC implementation does not handle NSEC(3) records, this should be improved to handle them.

Check periodically for expired DNSSEC data (RRsig notably) and renew it in the cache automatically.

This cannot be achieved with DoT or DoH for now, and must be through plaintext DNS which sucks. But it would be interesting to offer the option though. - [...

- Blocked by #58 and #61 - Add auto binary builds for linux, macos and windows for common CPU architectures for every release on Github

https://en.wikipedia.org/wiki/EDNS_Client_Subnet

- [ ] Temporarily blacklist DoT/DoH providers that do not work. - [ ] Temporarily blacklist DNS/DoT IP addresses if one of them does not work - [ ] Reset...

See https://www.icann.org/resources/pages/dnssec-what-is-it-why-important-2019-03-05-en - [ ] NSEC and NSEC3 records support - [ ] Cache RRSIG (and others?) for their validity period - [ ] Renew keys when they expire Useful...

## Remaining tasks - [x] Update servers.json - [x] Update digests for servers.json - [x] Read private key file (?) - [x] Adapt Openvpn configuration with their configs - [...