import dns.resolver
#domain = 'www.xxx.com'
#去除前后空格
def trim(s):
if s[0] == " ":
return trim(s[1:])
elif s[-1] == " ":
return trim(s[:-1])
else:
return s
domain = trim(input('请输入域名:'))
#定义DNS服务器列表字典
dev_info = [{
'dnsname': '公网1',
'dnsip': '114.114.114.114',
},
{
'dnsname': 'google',
'dnsip': '8.8.8.8',
},
{
'dnsname': '阿里云',
'dnsip': '223.5.5.5',
},
]
failure = []
server1 = dns.resolver.Resolver()
for i in dev_info:
dnsname = i.get('dnsname') #读取字典中的dnsname
dnsip = i.get('dnsip') #读取字典中的dnsip
server1.nameservers = [dnsip]
qtype = 'A'
try:
answer1 = server1.resolve(domain, qtype, raise_on_no_answer=False)
print(dnsname + 'DNS_server:' + server1.nameservers[0])
print(dnsname + 'dns:' + str(answer1.rrset))
except:
list = ('【解析失败】:', dnsname, dnsip)
failure.append(list)
print('\n')
for i in failure:
print(f"{i[0]} {i[1]} {i[2]}") #读取字符串
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