显示HTTP状态码和HEAD信息↓
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Sat, 29 Jun 2024 02:46:47 GMT
Content-Type: text/html
Content-Length: 157
Connection: keep-alive
Location: http://www.cnnic.cn/
HTTP/1.0 302 Found
Location: https://www.cnnic.cn/
Server: BigIP
Connection: Keep-Alive
Content-Length: 0
HTTP/1.1 200 OK
Server: nginx
Date: Sat, 29 Jun 2024 02:46:47 GMT
Content-Type: text/html
Content-Length: 31066
Last-Modified: Fri, 28 Jun 2024 10:21:24 GMT
Connection: close
ETag: "667e8ea4-795a"
Accept-Ranges: bytes