支持的类型¶ UDP¶ 1 2- 223.5.5.5 - udp://223.5.5.5 TCP¶ 1- tcp://8.8.8.8 DNS over TLS¶ 1- tls://1.1.1.1 DNS over HTTPS¶ 1- https://doh.pub/dns-query DNS over QUIC¶ 1- quic://dns.adguard.com:784 system¶ 1 2- system:// - system dhcp¶ 1- dhcp://en0 仅限 cmfa,使用系统 dns 1- dhcp://system rcode¶ 1 2 3 4 5 6- rcode://success # No error - rcode://format_error # Format error - rcode://server_failure # Server failure - rcode://name_error # Non-existent domain - rcode://not_implemented # Not implemented - rcode://refused # Query refused