Python实现获取域名所用服务器的真实IP

验证域名和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+'
' 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">.(.*?) ', 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+'
')
 file.flush()
 #print str(i)+' '+y
 file.close()
 print '完毕'#弹窗完成