from twisted.application import service,internet
from twisted.internet import reactor
from twisted.names import hosts,server,dns
from twisted.python import log
import sys

val = "192.168.1.1"

def rewritten(file, name):
    print "Requested",name
    return val

if __name__ == '__main__':
    log.startLogging(sys.stdout, 0)
    hosts.searchFileFor = rewritten
    c = hosts.Resolver(file = '/etc/hosts')
    f = server.DNSServerFactory(None, [],
                                [c,], verbose=False)
    p = dns.DNSDatagramProtocol(f)
    f.noisy = 0
   
    s = internet.UDPServer(53, p, interface='127.0.0.1')
    s.startService()
    reactor.run()