Welcome to OCSP Checker.

# Check OCSP Stapling and OCSP (from Responder)

{
    "OCSP-Stapling": {
        "serial": "04A2FC4959EC8E8D27E70573812E9D6E93D5",
        "cert_status": "good",
        "this_update": "May  6 18:15:00 2025 GMT",
        "next_update": "May 13 18:14:58 2025 GMT"
    },
    "OCSP-Responder": {
        "serial": "",
        "cert_status": "",
        "this_update": "",
        "next_update": ""
    }
}

# Certificate of opscim.az.oist.jp

# OCSP response of opscim.az.oist.jp from OCSP Stapling

# OCSP response of opscim.az.oist.jp from OCSP responder (Let's Encrypt)