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RFC 8806
Title: Running a Root Server Local
to a Resolver
Author: W. Kumari,
P. Hoffman
Status: Informational
Stream: IETF
Date: June 2020
Mailbox: war...@kumari.net,
paul.hoff...@icann.org
Pages: 12
Obsoletes: RFC 7706
I-D Tag: draft-ietf-dnsop-7706bis-12.txt
URL: https://www.rfc-editor.org/info/rfc8806
DOI: 10.17487/RFC8806
Some DNS recursive resolvers have longer-than-desired round-trip
times to the closest DNS root server; those resolvers may have
difficulty getting responses from the root servers, such as during a
network attack. Some DNS recursive resolver operators want to prevent
snooping by third parties of requests sent to DNS root servers. In
both cases, resolvers can greatly decrease the round-trip time and
prevent observation of requests by serving a copy of the full root
zone on the same server, such as on a loopback address or in the
resolver software. This document shows how to start and maintain such
a copy of the root zone that does not cause problems for other users
of the DNS, at the cost of adding some operational fragility for the
operator.
This document obsoletes RFC 7706.
This document is a product of the Domain Name System Operations Working Group
of the IETF.
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