Sikiからだと以下のエラーが出て書き込めないなあ
JDimでも試してみたけど同じUAで書き込める
Post Error
504 Gateway Time-out
Response Headers
date: Sat, 30 Sep 2023 03:12:40 GMT
content-type: text/html
transfer-encoding: chunked
connection: close
cf-cache-status: DYNAMIC
server: cloudflare
cf-ray: 80e94900087f34e1-NRT
Response Body
<html>
<head><title>504 Gateway Time-out</title></head>
<body>
<center><h1>504 Gateway Time-out</h1></center>
<hr><center>nginx/1.22.0</center>
</body>
</html>