dns core: wire-format parse/encode, iterators, response builder

src/dns/dns.zig

@@ -0,0 +1,11 @@
+//! Public root of the pure DNS wire-format module. The fuzz-target compile
+//! imports this as a named module; file-level tests stay reachable through
+//! `src/tests.zig`, which imports each file directly (`zig test` collects
+//! tests only from the root module).
+pub const types = @import("types.zig");
+pub const header = @import("header.zig");
+pub const name = @import("name.zig");
+pub const question = @import("question.zig");
+pub const record = @import("record.zig");
+pub const edns = @import("edns.zig");
+pub const packet = @import("packet.zig");