RFC 8484 - DNS Queries over HTTPS (DoH)
Published: October 2018
Status: Proposed Standard
Authors:
- P. Hoffman (ICANN)
- P. McManus (Mozilla)
Abstract
This document defines a protocol for sending DNS queries and getting DNS responses over HTTPS. Each DNS query-response pair is mapped into an HTTP exchange.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 7841.
Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at \https://www.rfc-editor.org/info/rfc8484\``.
Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (\https://trustee.ietf.org/license-info\``) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.
Table of Contents
- 1. Introduction
- 2. Terminology
- 3. Selection of DoH Server
- 4. The HTTP Exchange
- 4.1 The HTTP Request
- 4.1.1 HTTP Request Examples
- 4.2 The HTTP Response
- 4.2.1 Handling DNS and HTTP Errors
- 4.2.2 HTTP Response Example
- 5. HTTP Integration
- 5.1 Cache Interaction
- 5.2 HTTP/2
- 5.3 Server Push
- 5.4 Content Negotiation
- 6. Definition of the "application/dns-message" Media Type
- 7. IANA Considerations
- 7.1 Registration of the "application/dns-message" Media Type
- 8. Privacy Considerations
- 8.1 On the Wire
- 8.2 In the Server
- 9. Security Considerations
- 10. Operational Considerations
- 11. References
- 11.1 Normative References
- 11.2 Informative References
Appendices
Related Resources
- Official Text: RFC 8484 TXT
- Official HTML: RFC 8484 HTML
- Official Info: RFC 8484 Info
- DataTracker: RFC 8484 DataTracker
- Errata: RFC 8484 Errata
Quick Links
- Related RFCs: RFC 7858 (DNS over TLS), RFC 9250 (DNS over QUIC)
- Implementations: Cloudflare DoH, Google Public DNS, Quad9