I don't really see what's the problem here. The
bncert-tool is telling you that you didn't gave it the
www domain, only the
non-www one. If you want
bncert-tool to create the certificate also for the
www domain, you can answer
Y to the question it asks:
The following domains were not included: www.farhadragimov.com. Do you want to add them? [Y/n].