Serving Stale Data to Improve DNS Resiliency

Document Type Replaced Internet-Draft (dnsop WG)
Last updated 2017-10-30
Replaced by draft-ietf-dnsop-serve-stale
Stream IETF
Intended RFC status Proposed Standard
Expired & archived
plain text pdf html bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-dnsop-serve-stale
Consensus Boilerplate Yes
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This draft defines a method for recursive resolvers to use stale DNS data to avoid outages when authoritative nameservers cannot be reached to refresh expired data.


David Lawrence (
Warren Kumari (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)