Title: #5846: [Backport][ipa-4-9] host: try to resolve FQDN before command execution
This PR was opened automatically because PR #5838 was pushed to master and backport to
ipa-4-9 is required.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5846/head:pr5846
git checkout pr5846