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Feature #13023

closed
MM MM

DNS Resolver option to keep probing when servers are down

Feature #13023: DNS Resolver option to keep probing when servers are down

Added by Marcos M over 4 years ago. Updated over 4 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Marcos M
Category:
DNS Resolver
Target version:
2.7.0
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
22.05
Release Notes:
Default

Description

When servers are down and in the "blocking regime", they are currently probed every 15 minutes which is a relatively long time for recovery. Setting infra-keep-probing: yes as default will help significantly reduce recovery time.

https://unbound.docs.nlnetlabs.nl/en/latest/manpages/unbound.conf.html#term-infra-keep-probing-yes-or-no
https://unbound.docs.nlnetlabs.nl/en/latest/reference/history/info-timeout-server-selection.html

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