fix to prevent handshake failure

index.py

@@ -4,12 +4,12 @@
 # IMPORTATION
 import cgi
 import json
-import urllib.request
 import ssl
 import hashlib
 import dns.query
 import dns.message
 import socket
+import requests
 
 from cryptography import x509
 from cryptography.hazmat.backends import default_backend
@@ -50,11 +50,14 @@ def tlsa_validation(DOMAIN):
         mtype = str(tlsalist[6])
         hexdata1 = str(tlsalist[7])
         
+        try:
             conn = ssl.create_connection((DOMAIN , 443))
-        context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+            context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
             sock = context.wrap_socket(conn, server_hostname=DOMAIN)
             cert = ssl.DER_cert_to_PEM_cert(sock.getpeercert(True))
             cert = cert.encode('ascii') 
+        except:
+            return(False)
 
         if selector == "0":
             certdata = cert.as_der()
@@ -81,7 +84,8 @@ def tlsa_validation(DOMAIN):
 def headers_validation(DOMAIN):
     url = "https://" + DOMAIN + "/"
     try:
-        headers = urllib.request.urlopen(url,timeout=3).info()
+        r = requests.get(url)
+        headers = r.headers
     except:
         return("NO HTTPS")
 
@@ -130,5 +134,3 @@ if "HPKP_TRUE" in headers:
 
 JSON_RESULT = json.dumps(JSON_DATA)
 print(JSON_RESULT)
-
-