import paramiko

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('140.44.4.71', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)

def run(cmd):
    print(f">>> {cmd}")
    _, o, e = ssh.exec_command(cmd)
    print(o.read().decode().strip())
    err = e.read().decode().strip()
    if err:
        print("[stderr]", err)

run("cat /etc/resolv.conf")
run("getent hosts zabbix.snarfnet.net")
run("nc -zv 140.44.4.64 10051")
run("nc -zv zabbix.snarfnet.net 10051")

ssh.close()