Code Not Working

[IshaqAhmed99]

Following error occurs when I try to use your validator, Could you tell what is the problem?

c:\Users\ishaq\Desktop\\Email_Verification\email_validator.py:52: DeprecationWarning: please use dns.resolver.resolve() instead
  records = dns.resolver.query(domain[1], 'MX')
[email protected] ::: Internal Error
Traceback (most recent call last):
  File "c:\Users\ishaq\Desktop\Email_Verification\email_validator.py", line 72, in check
    server.helo(host)
  File "C:\Users\ishaq\AppData\Local\Programs\Python\Python39\lib\smtplib.py", line 434, in helo
    (code, msg) = self.getreply()
  File "C:\Users\ishaq\AppData\Local\Programs\Python\Python39\lib\smtplib.py", line 398, in getreply
    raise SMTPServerDisconnected("Connection unexpectedly closed")
smtplib.SMTPServerDisconnected: Connection unexpectedly closed

During handling of the above exception, another exception occurred:


Traceback (most recent call last):
  File "c:\Users\ishaq\Desktop\Email_Verification\email_validator.py", line 134, in 
    main()
  File "c:\Users\ishaq\Desktop\Email_Verification\email_validator.py", line 33, in main
    check(0, email_list)
  File "c:\Users\ishaq\Desktop\Email_Verification\email_validator.py", line 86, in check
    check_position(position, email_list)
  File "c:\Users\ishaq\Desktop\FiverWork\Email_Verification\email_validator.py", line 96, in check_position
    check(new_position, email_list)
  File "c:\Users\ishaq\Desktop\Email_Verification\email_validator.py", line 52, in check
    records = dns.resolver.query(domain[1], 'MX')
  File "C:\Users\ishaq\AppData\Local\Programs\Python\Python39\lib\site-packages\dns\resolver.py", line 1321, in query
    return resolve(qname, rdtype, rdclass, tcp, source,
  File "C:\Users\ishaq\AppData\Local\Programs\Python\Python39\lib\site-packages\dns\resolver.py", line 1305, in resolve
    return get_default_resolver().resolve(qname, rdtype, rdclass, tcp, source,
  File "C:\Users\ishaq\AppData\Local\Programs\Python\Python39\lib\site-packages\dns\resolver.py", line 1202, in resolve
    (answer, done) = resolution.query_result(response, None)
  File "C:\Users\ishaq\AppData\Local\Programs\Python\Python39\lib\site-packages\dns\resolver.py", line 674, in query_result
    raise NoAnswer(response=answer.response)
dns.resolver.NoAnswer: The DNS response does not contain an answer to the question: royaltybd.com. IN MX