print(subprocess.Popen("dig -x 156.17.86.3 +short", shell=True, stdout=subprocess.PIPE).communicate()[0].decode('utf-8').strip())

raise TypeError("bufsize must be an integer")

command=['dig','-x',str(Adres),'+short']
        print(subprocess.Popen(command, shell=True, stdout=subprocess.PIPE).communicate()[0].decode('utf-8').strip())