HTTPヘッダ情報チェック
| HTTP/1.1 200 OK | |
| Server | openresty/1.27.1.2 |
| Date | Wed, 28 Jan 2026 21:21:39 GMT |
| Content-Type | application/octet-stream |
| Content-Length | 2 |
| Connection | keep-alive |
| Strict-Transport-Security | max-age=0; includeSubDomains; preload |
| HTTP/1.1 200 OK | |
| Server | openresty/1.27.1.2 |
| Date | Wed, 28 Jan 2026 21:21:39 GMT |
| Content-Type | application/octet-stream |
| Content-Length | 2 |
| Connection | keep-alive |
| Strict-Transport-Security | max-age=0; includeSubDomains; preload |