Werk #13165: check_dns: Act case-insensitive

Component Checks & Agents
Title check_dns: Act case-insensitive
Date Sep 20, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0p12 2.1.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When comparing the answer from DNS, check_dns always acts case-sensitive. That means, it marks answers as CRITICAL, when for instance the hostname in check-mk is lowercase and the answer comes as uppercase. This has been fixed.

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