Python: 简单的whois客户端，可用于判断域名是否被注册
1 """
2 whois.py
3 简单的whois客户端，可用于判断域名是否被注册
4 """
5
6 import sys
7 import socket
8
9 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
10 s.connect(("whois.internic.net", 43))
11 s.send(sys.argv[1] + ""r"n")
12 response = ''
13 while True:
14 d = s.recv(4096)
15 response += d
16 if d == '':
17 break
18 s.close()
19 print
20 print response
21
22 if response.find('Whois Server:')>0:
23 print "registed!"
