Python实现获取域名所用服务器的真实IP

class JianKong():  '''查询IDC信息，封ip和过白名单'''  def __init__(self):    pass  @classmethod  def ip_verify(cls,str):    '验证IP地址规范'    pattern=re.compile('(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])/.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])/.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])/.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])')    s=pattern.findall(str)    if len(s)>0:      ip=s[0][0]+'.'+s[0][1]+'.'+s[0][2]+'.'+s[0][3]      return ip    else:      print 'IP格式不正确'#弹窗提醒      return ''  @classmethod  def domain_verify(cls,domainStr):    '验证域名规范,返回合法域名列表'    domainList=[]    file=open('c:/domain.txt','r')    domainType=file.readlines()    #去重    domainType=list(set(domainType))    #print domainType    file.close()    #file=['com','ac','com.cn','net'+'']    for line in domainType:      #文件中动态读取每个顶级域名进行匹配      line=line.strip()      pattern=re.compile('([a-z0-9][a-z0-9/-]*?/.'+line+')(?:/s|$)+',re.S)      #例如[a-z0-9][a-z0-9/-]*?/.com.cn(?:/s|$)+ 中(?:/s|$)表示域名后缀后面必须是空白符或者字符结束(?:)表示括号不用于分组功能      #防止.com.cn先匹配到.com即停止匹配导致错误，或者匹配到.comc多了字符      result=pattern.findall(domainStr)      if len(result)>0:        #正确结果添加到返回列表        domainList=domainList+result    #去重    domainList=list(set(domainList))    newList=[]    for d in domainList:      if d not in domainType and d+'/n' not in domainType:        newList.append(d)               return newList  @classmethod  def getDomainType(cls):    '从工信部网站获取所有合法域名后缀'    file=open('c:/domain.txt','w')    p=re.compile('class=/"by2/">/.(.*?)/ </td>', re.S)    for i in range(1,23):      data='domainName=&domainBlur=0&page.pageSize=20&pageNo='+str(i)+'&jumpPageNo='+str(i)      header={'Host':'www.miitbeian.gov.cn','Origin':'http://www.miitbeian.gov.cn','User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 UBrowser/5.5.6125.14 Safari/537.36','Referer':'http://www.miitbeian.gov.cn/basecode/query/queryDomain.action;jsessionid=HSTRWpLZbR0cX4vFkDpnpbNBYyRl4GwW1fxpyhdyc0fcfhkvJTBV!1139295987'}      url='http://www.miitbeian.gov.cn/basecode/query/queryDomain.action;jsessionid=HSTRWpLZbR0cX4vFkDpnpbNBYyRl4GwW1fxpyhdyc0fcfhkvJTBV!1139295987'      request=urllib2.Request(url,data,header)      response=urllib2.urlopen(request)      recv=response.read()      s=p.findall(recv)      #print s      #去重      s=list(set(s))      for y in s:        file.write(y+'/n')        file.flush()        #print str(i)+' '+y    file.close()    print '完毕'#弹窗完成