The one place for your designs
To upload designs, you'll need to enable LFS. More information
It seems that some zones are broken enough to break ednscomp web tool.
E.g. testing zone
mfcr.cz using https://ednscomp.isc.org/ednscomp/ leads at first to incomplete page. JSON API returns empty document for this site.
Please improve the behavior, it breaks workflow and confuses people who try to test their domains.