What's Changed
* feat: fallback to whois if RDAP fails to find abuse contact/registrar by ninoseki in https://github.com/ninoseki/abuse_whois/pull/67
* chore: rename variable by ninoseki in https://github.com/ninoseki/abuse_whois/pull/68
**Full Changelog**: https://github.com/ninoseki/abuse_whois/compare/v0.9.0...v0.9.1