The current version of python-dns package in Fedora repos is 1.11.1. The current upstream version is 1.12.0. It would be nice to rebase the package to a version that includes https://github.com/rthalley/dnspython/pull/85. This would enable more transparent handling of DNS related exceptions in FreeIPA code.
python-dns-1.12.0GIT465785f-1.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2015-15599
python-dns-1.12.0GIT465785f-1.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update python-dns'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-15599
python-dns-1.12.0GIT465785f-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.