DNS(Domain Name System,域名系统)是将人类可读的域名转换为计算机可识别的IP地址的系统。DNS解析是指将域名解析为对应的IP地址的过程。
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解决方法:
原因:
解决方法:
原因:
解决方法:
以下是一个简单的Python示例,演示如何使用dnspython
库进行DNS解析:
import dns.resolver
def resolve_domain(domain):
try:
answers = dns.resolver.resolve(domain, 'A')
for rdata in answers:
print(f'{domain} -> {rdata}')
except dns.resolver.NXDOMAIN:
print(f'{domain} does not exist.')
except dns.resolver.NoAnswer:
print(f'{domain} has no A records.')
except dns.resolver.Timeout:
print(f'Timeout while resolving {domain}.')
except Exception as e:
print(f'An error occurred: {e}')
resolve_domain('example.com')
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