@misc{rfc9953, series = {Request for Comments}, number = 9953, howpublished = {RFC 9953}, publisher = {RFC Editor}, doi = {10.17487/RFC9953}, url = {https://www.rfc-editor.org/info/rfc9953}, author = {Martine Sophie Lenders and Christian Amsüss and Cenk Gündoğan and Thomas C. Schmidt and Matthias Wählisch}, title = {{DNS over CoAP (DoC)}}, pagetotal = 22, year = 2026, month = mar, abstract = {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).}, }