fixed DOH Problem

check_dns_advanced.py

@@ -38,12 +38,11 @@ def get_ip(address):
 
 def doh(query,server):
     server = "https://"+ server +"/dns-query"
-    with httpx.Client() as client:
-        try:
-            r = dns.query.https(query, server, session=client)
-            return r.answer
-        except httpx.ConnectError as e:
-            print(e)
+    try:
+        r = dns.query.https(query, server)
+        return r.answer
+    except httpx.ConnectError as e:
+        print(e)
             
 def doq(query,server):
     async def amulti(query):