Reading hints from /etc/hosts Local host hints: LocalHosts { hostnames: {} } Generating requests for Inputs { domains: [Labels { segments: [(7, "example"), (3, "net")] }], record_types: [A], classes: [IN], resolver_types: [SystemDefault], transport_types: [UDP] } Using nameserver: "8.8.8.8" Using transport type: UDP Generated request: Request { transaction_id: 48287, flags: Flags { response: false, opcode: Query, authoritative: false, truncated: false, recursion_desired: true, recursion_available: false, authentic_data: false, checking_disabled: false, error_code: None }, query: Query { qname: Labels { segments: [(7, "example"), (3, "net")] }, qclass: IN, qtype: A }, additional: Some(OPT { udp_payload_size: 512, higher_bits: 0, edns0_version: 0, flags: 0, data: [] }) } Total requests generated: 1 Request tuples generated Sending request 1 of 1 Opening UDP socket [ DEBUG ] (src/net/socket/family.rs:110) AddressFamily::try_from failed: x=2 [ DEBUG ] (src/net/socket/family.rs:110) AddressFamily::try_from failed: x=2 Error sending request 1: NetworkError(Os { code: 93, kind: Uncategorized, message: "Protocol not supported" }) Error [[networkk]: Protocol not supported (os error 93))