@techreport{rfc9953,
  author = {Martine S. Lenders and Christian Ams{\"u}ss and Cenk G{\"u}ndogan and Thomas C. Schmidt and Matthias W{\"a}hlisch},
  title = {{DNS over CoAP (DoC)}},
  type = {RFC},
  institution = {RFC Editor, IETF},
  number = {9953},
  month = {March},
  year = {2026},
  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).},
  url = {https://doi.org/10.17487/RFC9953},
  doi = {10.17487/RFC9953},
  theme = {iot|nsec},
}