CNAME(Canonical Name):
URL(Uniform Resource Locator):
CNAME的优势:
URL的优势:
CNAME类型:
URL类型:
CNAME的应用场景:
URL的应用场景:
问题1:CNAME解析失败
问题2:URL格式错误
示例代码
import dns.resolver
def resolve_cname(domain):
try:
answers = dns.resolver.resolve(domain, 'CNAME')
for rdata in answers:
print(f'CNAME: {rdata}')
except dns.resolver.NXDOMAIN:
print(f'Domain {domain} does not exist.')
except dns.resolver.NoAnswer:
print(f'No CNAME record found for {domain}.')
except dns.resolver.Timeout:
print(f'Timeout while resolving {domain}.')
resolve_cname('example.com')
参考链接
通过以上内容,您可以全面了解域名解析中的CNAME和URL的基础概念、优势、类型、应用场景以及常见问题及其解决方法。
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