don't retry if REFUSED
It's unlikely to be a temporary condition, unless the reply was spoofed or something. Fixes val_cname_to_unsigned_fake_rrsig test.
Self sign-up has been disabled due to increased spam activity. If you want to get access, please send an email to a project owner (preferred) or at gitlab(at)nic(dot)cz. We apologize for the inconvenience.
It's unlikely to be a temporary condition, unless the reply was spoofed or something. Fixes val_cname_to_unsigned_fake_rrsig test.