HTTPヘッダ情報チェック
| HTTP/1.1 200 OK | |
| Server | openresty/1.27.1.2 |
| Date | Sun, 22 Feb 2026 08:14:04 GMT |
| Content-Type | application/octet-stream |
| Content-Length | 2 |
| Connection | keep-alive |
| Content-Type | text/plain |
| HTTP/1.1 200 OK | |
| Server | openresty/1.27.1.2 |
| Date | Sun, 22 Feb 2026 08:14:04 GMT |
| Content-Type | application/octet-stream |
| Content-Length | 2 |
| Connection | keep-alive |
| Content-Type | text/plain |