Hi, After some more search I found https://bugzilla.redhat.com/show_bug.cgi?id=1206070 .
So putting zonefile-parser Net::DNS::ZoneFile at the end of dnssec-tools.conf fixed the problem. So dnssec-tools should ship this line in its default configuration and also give the information in the NEWS.Debian file to change the configuration file on upgrade. Yours Christoph
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