{
    "mailinglist.kumatta.jp": {
        "serial": "0603DFB5C479CD27A1C5037D97E88F8652F8",
        "OCSP_serial": null,
        "OCSP_cert_status": null,
        "OCSP_this_update": null,
        "OCSP_next_update": null,
        "domainName": "mailinglist.kumatta.jp",
        "port": 443,
        "subjectAltName": "DNS:mailinglist.kumatta.jp",
        "is_valid": true,
        "CA": "Let's Encrypt",
        "updated_at": "2026/07/31 13:27:36",
        "expires_at": "2026/10/29 13:27:35",
        "today": "2026/09/28 10:33:40",
        "UTC": {
            "updated_at": "2026-07-31T04:27:36Z",
            "expires_at": "2026-10-29T04:27:35Z",
            "today": "2026-09-28T01:33:40Z"
        },
        "remaining_days": 31
    }
}