- retro-compatible change: keep using host/owner if set
- otherwise extract owner and eTLD+1 from domain field
- documentation updated to only use the `domain` field
- Remove `IPV6_PREFIX` environment variable (unneeded) and remove associated code
- Update all documentation for each provider supporting IPv6
- Build IPv6 as prefix:suffix when getting it from a public IP source for each record IPv6 suffix parameter
- Automatically disable provider_ip if public ip is IPv6 and IPv6 suffix is set (they are not compatible with each other)
- Sends HTTP GET request to url given with ip information
- Configurable ipv4 and ipv6 query parameter keys
- Configurable response success detection with a regex
- Treat non status OK 200 responses as failures