SSL expiry date calculate in Python for multiple Domains

ssl-check.py

import socket
import ssl
import datetime
import time

domains_url = [
"google.com",
"github.com"
]

def ssl_expiry_datetime(hostname):
    ssl_dateformat = r'%b %d %H:%M:%S %Y %Z'

    context = ssl.create_default_context()
    context.check_hostname = False

    conn = context.wrap_socket(
        socket.socket(socket.AF_INET),
        server_hostname=hostname,
    )
    # 5 second timeout
    conn.settimeout(5.0)

    conn.connect((hostname, 443))
    ssl_info = conn.getpeercert()
    # Python datetime object
    return datetime.datetime.strptime(ssl_info['notAfter'], ssl_dateformat)

if __name__ == "__main__":
      for value in domains_url:
          now = datetime.datetime.now()
          try:
              expire = ssl_expiry_datetime(value)
              diff = expire - now                            
              print ("Domain name: {} Expiry Date: {} Expiry Day: {}\n".format(value,expire.strftime("%Y-%m-%d"),diff.days))
          except Exception as e:
              print (e)