Werk #10817: check_dns: Act case-insensitive

Component Checks & Agents
Title check_dns: Act case-insensitive
Date Feb 20, 2020
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0i1 1.6.0p10 1.5.0p25
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.

CMK-3595

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