Function check_PTR_record

domain_analyzer.py:958–986

This function takes one ip and ask for the dns PTR record information or reverse DNS hostname, and latter adds it to the main dictionary

(ip)

def check_PTR_record(ip):
    """
    This function takes one ip and ask for the dns PTR record information or reverse DNS hostname, and latter adds it to the main dictionary
    """
    global debug
    global domain_data

    try:
        if debug:
            logging.debug('\t\t> Checking {0} ip reverse DNS hostname'.format(ip))
        """
        temp_ip = ip.split('.')
        temp_ip.reverse()
        reverse_ip=""
        for i in temp_ip:
            reverse_ip = reverse_ip + i +'.'
        reverse_ip = reverse_ip + 'in-addr.arpa'
        """
        reverse_name = dns.reversename.from_address(ip).to_text()[:-1]
        return reverse_name

    except Exception as inst:
        print(type(inst))    # the exception instance
        print(inst.args)     # arguments stored in .args
        print(inst)          # __str__ allows args to printed directly
        x, y = inst          # __getitem__ allows args to be unpacked directly
        print('x =', x)
        print('y =', y)
        return ""