{
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        "serial": "055A87E3A2C13FB49AE7D45D3386D8250C83",
        "OCSP_serial": null,
        "OCSP_cert_status": null,
        "OCSP_this_update": null,
        "OCSP_next_update": null,
        "domainName": "metro.knowledgecode.jp",
        "port": 443,
        "subjectAltName": "DNS:metro.knowledgecode.jp",
        "is_valid": true,
        "CA": "Let's Encrypt",
        "updated_at": "2026/09/13 07:50:31",
        "expires_at": "2026/12/12 07:50:30",
        "today": "2026/09/28 09:11:29",
        "UTC": {
            "updated_at": "2026-09-12T22:50:31Z",
            "expires_at": "2026-12-11T22:50:30Z",
            "today": "2026-09-28T00:11:29Z"
        },
        "remaining_days": 74
    }
}