{
    "ok": true,
    "domain": "kodansha.co.jp",
    "generated_at": "2026-08-09T23:25:45-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 84,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 92,
            "network": 50,
            "availability": 100
        },
        "category_weights": {
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            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
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                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "1 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
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                "earned_points": 20,
                "lost_points": 0,
                "detail": "4 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
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                "category": "dns",
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                "category": "dns",
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                "detail": "Certificate authority restriction."
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                "category": "dns",
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                "earned_points": 10,
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                "detail": "Agreement between public resolvers."
            },
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                "category": "mail",
                "title": "MX records",
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                "earned_points": 20,
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                "detail": "5 MX record(s)."
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                "category": "mail",
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                "detail": "SPF policy published."
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                "earned_points": 20,
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                "category": "mail",
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                "category": "mail",
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                "lost_points": 5,
                "detail": "TLS reporting policy."
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                "title": "Valid TLS certificate",
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                "category": "security",
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                "detail": "7 of 9 evaluated headers detected."
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                "category": "network",
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                "lost_points": 0,
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            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
            },
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                "category": "network",
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                "earned_points": 0,
                "lost_points": 35,
                "detail": "AAAA availability."
            },
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                "category": "availability",
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                "earned_points": 40,
                "lost_points": 0,
                "detail": "At least one address family must resolve."
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                "category": "availability",
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                "lost_points": 0,
                "detail": "HTTP/2 200 "
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                "category": "availability",
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                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
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        ],
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        "diagnostics": [
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                "level": "ok",
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                "detail": "1 IPv4 address(es) detected.",
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                "lost_points": 0
            },
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                "level": "error",
                "title": "IPv6 (AAAA)",
                "detail": "0 IPv6 address(es) detected.",
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                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
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                "level": "ok",
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                "level": "ok",
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                "level": "ok",
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                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
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                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
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                "lost_points": 0
            },
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                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
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                "lost_points": 5
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                "level": "error",
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                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "151 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "7 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 27,
                "lost_points": 8
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ec2-13-231-99-251.ap-northeast-1.compute.amazonaws.com",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15
            },
            {
                "level": "error",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "DNS resolution",
                "detail": "At least one address family must resolve.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTP response",
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                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
    "dns": {
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                "13.231.99.251"
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            "AAAA": [],
            "CNAME": [],
            "MX": [
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                "10 aspmx2.googlemail.com.",
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            "SRV": [],
            "NAPTR": [],
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            "lookups": 5,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
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    "advanced": {
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        "propagation": {
            "consistent": true,
            "results": [
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            "connection": "keep-alive",
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            "referrer-policy": "strict-origin-when-cross-origin",
            "x-content-type-options": "nosniff",
            "x-dns-prefetch-control": "off",
            "x-download-options": "noopen",
            "x-frame-options": "SAMEORIGIN",
            "x-permitted-cross-domain-policies": "none",
            "x-xss-protection": "1; mode=block",
            "cache-control": "no-cache, private",
            "location": "https://www.kodansha.co.jp/",
            "content-type": "text/html; charset=utf-8",
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            "via": "1.1 17948b8da2ae6b4ba6489c7557aaa824.cloudfront.net (CloudFront)",
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        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": true,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": true
        },
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        "powered_by": ""
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        "title": "講談社「おもしろくて、ためになる」を世界へ",
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        "error": "",
        "status": 200
    },
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            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
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                "banner": "",
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        "reverse": "",
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        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
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}