{
    "ok": true,
    "domain": "aist.go.jp",
    "generated_at": "2026-08-09T15:00:29-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 56,
        "label": "Fair",
        "categories": {
            "dns": 85,
            "mail": 90,
            "security": 0,
            "network": 50,
            "availability": 60
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "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",
                "max_points": 20,
                "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."
            },
            {
                "category": "dns",
                "title": "DNSSEC chain",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0,
                "detail": "DS and DNSKEY detected."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "1 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55,
                "detail": "No valid certificate was retrieved."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
                "detail": "0 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: ns-1842.awsdns-38.co.uk"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
            },
            {
                "category": "network",
                "title": "IPv6 connectivity",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
                "detail": "AAAA availability."
            },
            {
                "category": "availability",
                "title": "DNS resolution",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0,
                "detail": "At least one address family must resolve."
            },
            {
                "category": "availability",
                "title": "HTTP response",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40,
                "detail": "No successful HTTP response."
            },
            {
                "category": "availability",
                "title": "HTTPS final URL",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
            }
        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "IPv6 (AAAA)",
                "detail": "0 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "4 NS record(s); 2 or more required.",
                "category": "dns",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SOA record",
                "detail": "Authoritative zone record.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DNSSEC chain",
                "detail": "DS and DNSKEY detected.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "1 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "Valid TLS certificate",
                "detail": "No valid certificate was retrieved.",
                "category": "security",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55
            },
            {
                "level": "error",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ns-1842.awsdns-38.co.uk",
                "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": "error",
                "title": "HTTP response",
                "detail": "No successful HTTP response.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
    "dns": {
        "records": {
            "A": [
                "205.251.199.50"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "0 aist-go-jp.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"_globalsign-domain-verification=H6oFkf3LTgqrUGyvvingcLHlCiY1nX_sVXnu7ivxaE\"",
                "\"infoblox-domain-mastery=cbbc71dde4d1d5d76a946f3d587a9e9281a1a4353d3ef3837316171f102ce098bb\"",
                "\"google-site-verification=fwn7r-eN7x3CoBwVNcvKGix42U3vp1usckr4bOE84l0\"",
                "\"MS=ms82167947\"",
                "\"box-domain-verification=cd6745197b00c8274102352e7d043093fffdc6f338f1b2cfedc6f65b29809be5\"",
                "\"MS=ms13833116\"",
                "\"paloaltonetworks-site-verification=81ddd4a5c7ba0bc9a1da42c7d22578e0a9dc60f0b8a4cfbab13097d6c3df5347\"",
                "\"google-site-verification=Db3_CwjG4oXHyPa-ZRi039O-r9Axjh5U9Gf-k5THz38\"",
                "\"v=spf1 ip4:52.194.103.241 ip4:35.72.106.9 include:spf.protection.outlook.com include:spf.tricorn.net include:_spf.salesforce.com ip4:119.82.24.79 ip4:202.32.255.39 include:ap.rp.oracleemaildelivery.com include:spf_c.oraclecloud.com \" \"include:amazonses.com ip4:121.50.42.23 ip4:13.112.94.235 ip4:54.150.131.120 include:aist-technobridge.jp -all\""
            ],
            "NS": [
                "ns-325.awsdns-40.com.",
                "ns-970.awsdns-57.net.",
                "ns-1032.awsdns-01.org.",
                "ns-1772.awsdns-29.co.uk."
            ],
            "SOA": [
                "ns-1032.awsdns-01.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [],
            "DS": [
                "65334 13 2 113A643C11EE4CA74E03D85B899B8AE14CD5D7DF8747A54655CB7C19 B5B3AAC7"
            ],
            "DNSKEY": [
                "257 3 13 P3/GA8FVNj4JBkw41l/YYj0mr8EGRJqxtCGd1hjX59eGsqzRfXaBtil+ EUPxT/fLXzQFDzM26r3BRJ+g9nXpag==",
                "256 3 13 X9rP1MELQy7E1jsbm+ytkaU12ffeYdUrzfxFMH6IjKHXtz28yeSlAZTi wcce09gU+1XBDj1iMK4ZHUNhWcNy2g==",
                "256 3 13 RIGSNUmu4QVNl3cLLenSxVi1PzjtklOTbJaBi4aaffBXXFqLPlVacYsH Dxe2Q0S1oCk9S4b4D4kXICPWBjr/Lg=="
            ],
            "RRSIG": [
                "DNSKEY 13 3 3600 20260810020000 20260809150000 65334 aist.go.jp. 8usqUkByvlL+9Vjxp6iRflXus6XofK3P3sV3hJ3kXb+gmh55sDfor32/ QiagPmpEsC+qKG5WSrKnwzlrvR8ebA==",
                "NS 13 3 172800 20260811210002 20260809190002 63478 aist.go.jp. TAdQGPYJXjKWlduF7xMMJbFUlnKgrlyYVYPo2S3kMneik5/sHiHYFB/F xlrSdgWdTaXQxCnF5lZ2IPOal+UUAQ==",
                "DS 8 3 7200 20260907174503 20260808174503 11529 jp. I8OTnTAUHrUMtFWoS71xyRpibhnSWejp+j0Urfv23FZ75hBcKGhh0/UV peNqkMvdqU6U4sF/A/SgZGUJYuOPN21vQ5XT68ed1+zJ3do/vY1U+cTW 0I2vqD7UGKJ4+UKRyt5EEypsxeQsDh4NNlhXpmKSHIcW8sfKcLSAbvGv mJE=",
                "MX 13 3 3600 20260809213841 20260809183841 63478 aist.go.jp. f42yRfJBkzHidO8l6l1uB4SredEiM+ThV0lVmuBIxPOJEMSC2CQY814T qtut80bn5awofuI5Fd8HebisS3qJwA=="
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "205.251.199.50"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:52.194.103.241 ip4:35.72.106.9 include:spf.protection.outlook.com include:spf.tricorn.net include:_spf.salesforce.com ip4:119.82.24.79 ip4:202.32.255.39 include:ap.rp.oracleemaildelivery.com include:spf_c.oraclecloud.com include:amazonses.com ip4:121.50.42.23 ip4:13.112.94.235 ip4:54.150.131.120 include:aist-technobridge.jp -all",
        "dmarc": "v=DMARC1; p=quarantine; rua=mailto:dmarc-rua@aist.go.jp; ruf=mailto:dmarc-ruf@aist.go.jp; fo=1",
        "dkim_selector": "selector2",
        "dkim_host": "selector2._domainkey.aist.go.jp",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDDDUbiPVRU6d2Z+4TGaYB5QBu2lnWfp9VjCMM6f4CXpxBwjiG3F4x4uiSGpQ4/FWnXTpNsfyboKFD+mwEFrnjYxTEH3WPeXcaiQuHgraXCl4VNF0HIs0znkHmeppcR8ev3kI/nKaXH3dEdmFPCROFYwUJvhVifhAwxUy8M+ce8wQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 7,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ns-1842.awsdns-38.co.uk",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "205.251.199.50"
                    ],
                    "time_ms": 46.81
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "205.251.199.50"
                    ],
                    "time_ms": 79.69
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "205.251.199.50"
                    ],
                    "time_ms": 39.87
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "205.251.199.50"
                    ],
                    "time_ms": 108.45
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "205.251.199.50"
                    ],
                    "time_ms": 133.21
                }
            ]
        }
    },
    "ssl": {
        "available": false,
        "issuer": "",
        "subject": "",
        "valid_from": "",
        "valid_to": "",
        "days_remaining": null,
        "san": [],
        "protocol": "",
        "cipher": "",
        "error": "Connection timed out"
    },
    "http": {
        "url": "https://aist.go.jp/",
        "status": "",
        "http_version": "0",
        "headers": [],
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://aist.go.jp/",
        "title": "",
        "description": "",
        "success": false,
        "error": "Connection timeout after 5000 ms"
    },
    "network": {
        "205.251.199.50": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "aist-go-jp.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 17.3,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4046.4,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4043,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.217.62",
        "reverse": "",
        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
        "user_agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
        "is_bot": true,
        "cloudflare": false
    },
    "analysis_time_ms": 107.97
}