443/tcp
TLS
first 2026-05-31 · last 2026-05-31
- TLS
- TLSv1.2
- Certificate for
- wirelesscalculator.ie, www.wirelesscalculator.ie
- Issued by
- R3
- Valid
- 2023-04-11 → 2023-07-10
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Sun, 31 May 2026 10:28:25 GMT Content-Type: text/html; charset=utf-8 Content-Length: 650 Connection: close X-XSS-Protection: 1; mode=block Referrer-Policy: no-referrer-when-downgrade Content-Security-Policy: default-src 'self' http: https: ws: wss: data: blob: 'unsafe-inline'; frame-ancestors 'self'; Permissions-Policy: interest-cohort=() Strict-Transport-Security: max-age=31536000; includeSubDomains <html> <head><title>400 The plain HTTP request was sent to HTTPS port</title></head> <body> <center><h1>400 Bad Request</h1></center> <center>The plain HTTP request was sent to HTTPS port</center> <hr><center>nginx</center> </body> </html> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error pa