Module dns 

DNS protocol layer implementation (RFC 1035).

Provides full DNS parsing, building, and field access with:

• Header flag fields (QR, opcode, AA, TC, RD, RA, Z, AD, CD, RCODE)
• Question section with name compression
• Resource record sections (answer, authority, additional)
• All major RR types (A, AAAA, NS, CNAME, SOA, MX, TXT, SRV, etc.)
• DNSSEC types (RRSIG, NSEC, NSEC3, DNSKEY, DS)
• EDNS0 OPT records
• SVCB/HTTPS service binding records
• DNS name compression and decompression

Re-exports

pub use builder::DnsBuilder;

pub use query::DnsQuestion;

pub use rdata::DnsRData;

pub use rr::DnsResourceRecord;

Modules

bitmap

NSEC/NSEC3 type bitmap encoding and decoding (RFC 4034 Section 4.1.2).

builder

DNS packet builder with fluent API.

edns

EDNS0 (Extension Mechanisms for DNS) option types.

header

DNS header parsing (RFC 1035 Section 4.1.1).

query

DNS Question Record (DNSQR) - RFC 1035 Section 4.1.2.

rdata

DNS Resource Record Data (RDATA) parsing and building.

rr

DNS Resource Record (RFC 1035 Section 4.1.3).

svcb

SVCB/HTTPS Service Parameters (RFC 9460).

types

Structs

DnsLayer

DNS layer — a zero-copy view into the packet buffer.

Constants

DNS_FIELDS

DNS field names for dynamic access.

DNS_HEADER_LEN

DNS header length in bytes.