{
    "edu.gramin.jp": {
        "serial": "06BAA5606168454896F802708C123FE6FD22",
        "OCSP_serial": null,
        "OCSP_cert_status": null,
        "OCSP_this_update": null,
        "OCSP_next_update": null,
        "domainName": "edu.gramin.jp",
        "port": 443,
        "subjectAltName": "DNS:edu.gramin.jp",
        "is_valid": true,
        "CA": "Let's Encrypt",
        "updated_at": "2026/09/24 10:34:43",
        "expires_at": "2026/12/23 10:34:42",
        "today": "2026/09/28 10:32:51",
        "UTC": {
            "updated_at": "2026-09-24T01:34:43Z",
            "expires_at": "2026-12-23T01:34:42Z",
            "today": "2026-09-28T01:32:51Z"
        },
        "remaining_days": 86
    }
}