ToolJovia
Developer

DNS Wire Message Workbench

Build an offline DNS query or inspect a bounded captured DNS wire message.

✓ Browser-local processing

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How to use DNS Wire Message Workbench

Build an offline DNS query or inspect a bounded captured DNS wire message. Build produces real query bytes for selected record types. Inspect validates message/name/vector boundaries and decodes supported A, AAAA, name, MX and TXT RDATA; unknown records stay hex.

  1. Provide captured message hex (inspect), ascii query name, query id.
  2. Choose the supported mode and run the tool. Review its assumptions and any reported errors.
  3. Copy the result or download a separate output; reset to clear the current form.

Good to know

  • DNS message≤64KiB;10 questions and100 resource records; backward compression pointers only, with bounded traversal.
  • Builder supports ASCII labels/IN class with recursion desired. No resolver connection, actual DNS lookup, DNSSEC validation or hostname ownership check.
  • Inputs are processed on this device and are not automatically saved or uploaded.

Common questions

Is this a DNS lookup tool?

It builds or decodes message bytes offline. It does not send them to a resolver or establish that an answer is current, authoritative or authentic.

Does this change my original input?

No. The tool returns a separate result. Review that output before using it in another application.

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