dns反向解析，根据ip获得域名方法，dns域名,import sys,

dns反向解析，根据ip获得域名方法，dns域名,import sys,

import sys, sockettry:    result = socket.gethostbyaddr('66.249.71.15')    print 'Primary hostname:'    print '  ' + result[0]    # Display the list of available addresses that is also returned    print '\nAddresses:'    for item in result[2]:        print '  ' + itemexcept socket.herror, e:    print 'Couldn't look up name:', e