Python3 - Am I on the right network?

network_test.py

#!/usr/bin/python3

import subprocess 

def right_network (fqdn):
   """
   # Example of using 'dig' to find the IP address of a network IP address
   $ dig -4 +short www.example.com
   24.209.187.117
   
   Example of using 'dig' to find the current public IP address
   $ dig -4 TXT +short o-o.myaddr.l.google.com @ns1.google.com
   "24.209.187.117"
   
   This function returns True if you are on the 'fqdn" network.
   It returns false if you are on any other network
   
   Example:
   >>>print(right_network("ddns.example.com"))
   >>>True
   """
   output     = subprocess.run(["dig", "-4", "+short", fqdn ], capture_output=True)
   network_ip = output.stdout.decode('utf-8').strip('\n')
   output     = subprocess.run(["dig", "-4", "TXT", "+short", "o-o.myaddr.l.google.com", "@ns1.google.com" ], capture_output=True)
   my_ip      = output.stdout.decode('utf-8').strip('"\n')
   #print(store, my_ip)
   if network_ip == my_ip:
      return True
   return False

network_fqdn = "ddns.example.com"
print(right_network(network_fqdn))