Client Subnet in DNS Queries, May 2016
- File formats:
- C. Contavalli
W. van der Gaast
- dnsop (ops)
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This document describes an Extension Mechanisms for DNS (EDNS0) option that is in active use to carry information about the network that originated a DNS query and the network for which the subsequent response can be cached. Since it has some known operational and privacy shortcomings, a revision will be worked through the IETF for improvement.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.