Similar to Opus_(音声圧縮)
4rd
IPv4 Residual Deployment
HTTP 451
HTTP 451
Curve25519
Curve25519
Curve448
Curve448
Markdown
Markdown
Brotli
BrotliGeoJSON
GeoJSONRESTCONF
DNS over HTTPS
DNS over HTTPSAutomated Certificate Management Environment
Automatic Certificate Management Environment
Zstandard
Zstd
QUIC
QUIC
Robots Exclusion Standard
Robots.txt
ジョークRFC
April Fools' Day Request for Comments