Check if domain is listed "dbl.spamhaus.org"

checkBlacklist.py

import socket

def checkBlacklist(domain):
    ''' Check if domain is listed "dbl.spamhaus.org" '''
    
    rCode = ''
    rTXT = {"127.0.1.2": "spam domain",
    "127.0.1.4": "phish domain",
    "127.0.1.5": "malware domain",
    "127.0.1.6": "botnet C&C domain",
    "127.0.1.102": "abused legit spam",
    "127.0.1.103": "abused spammed redirector domain",
    "127.0.1.104": "abused legit phish",
    "127.0.1.105": "abused legit malware",
    "127.0.1.106": "abused legit botnet C&C",
    "127.0.1.255": "IP queries prohibited!",
    "127.255.255.252": "Any Typing error in DNSBL name",
    "127.255.255.254": "Any Anonymous query through public resolver",
    "127.255.255.255": "Any Excessive number of queries"}
    
    rblhost = domain + '.dbl.spamhaus.org'
    rCode = socket.getaddrinfo(rblhost, 43)[0][-1][0]
    if rCode:
        return (True, rTXT[rCode])

    return (False, rCode)