feat(ipv6): auto-detect IPv6 support

qdm12 / dns

Docker DNS server on steroids to access DNS-over-TLS from Cloudflare, Google, Quad9, Quadrant or CleanBrowsing

MIT License

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Closed qdm12 closed 10 months ago

qdm12 commented 2 years ago

[ ] ~Detect local-only IPv6 support by inspecting routes (Cross platform... maybe skip this)~
[x] Detect remote IPv6 support by querying i.e. ipv6 cloudflare address
[x] Use IPv6 if available instead of IPv4
[x] Remove *_IP_VERSION environment variables

qdm12 commented 10 months ago

Done in 5ef315d3a268a0bffbf14d56f14a414243b83242