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RFC 9953: DNS over CoAP (DoC)

In plain English — editorial summary, not part of the RFC

This document defines a protocol for exchanging DNS queries (OPCODE 0) over the Constrained Application Protocol (CoAP). These CoAP messages can be protected by (D)TLS-Secured CoAP or Object Security for Constrained RESTful Environments (OSCORE) to provide encrypted DNS message exchange for constrained devices in the Internet of Things (IoT).

Document record

Document ID
RFC9953
Published
March 2026
Authors
M. S. Lenders; C. Amsüss; C. Gündoğan; T. C. Schmidt; M. Wählisch
Status
PROPOSED STANDARD
Stream
IETF
Area
wit
Pages
22
Also known as
—

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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

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canonical URL: /rfc/9953-dns-over-coap-doc