Welcome to OCSP Checker.

# Check OCSP Stapling and OCSP (from Responder)

{
    "OCSP-Stapling": {
        "serial": "04E451FA2817B22BE7431F34F1284D3A6982",
        "cert_status": "good",
        "this_update": "Apr 24 14:02:00 2024 GMT",
        "next_update": "May  1 14:01:58 2024 GMT"
    },
    "OCSP-Responder": {
        "serial": "04E451FA2817B22BE7431F34F1284D3A6982",
        "cert_status": "good",
        "this_update": "Apr 28 00:01:00 2024 GMT",
        "next_update": "May  5 00:00:58 2024 GMT"
    }
}

# Certificate of nlp.lang.osaka-u.ac.jp

# OCSP response of nlp.lang.osaka-u.ac.jp from OCSP Stapling

# OCSP response of nlp.lang.osaka-u.ac.jp from OCSP responder (Let's Encrypt)