{
    "ok": true,
    "domain": "cardano.org",
    "generated_at": "2026-08-10T23:48:56-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 83,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 88,
            "network": 50,
            "availability": 100
        },
        "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": 0,
                "lost_points": 15,
                "detail": "Both DS and DNSKEY are required."
            },
            {
                "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": "6 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": 55,
                "lost_points": 0,
                "detail": "31 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 23,
                "lost_points": 12,
                "detail": "6 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: acd89244c803f7181.awsglobalaccelerator.com"
            },
            {
                "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": 40,
                "lost_points": 0,
                "detail": "HTTP/2 200 "
            },
            {
                "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": "error",
                "title": "DNSSEC chain",
                "detail": "Both DS and DNSKEY are required.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 0,
                "lost_points": 15
            },
            {
                "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": "6 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": "ok",
                "title": "Valid TLS certificate",
                "detail": "31 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": "6 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 23,
                "lost_points": 12
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: acd89244c803f7181.awsglobalaccelerator.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",
                "detail": "HTTP/2 200 ",
                "category": "availability",
                "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": {
        "records": {
            "A": [
                "75.2.60.5"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 alt2.aspmx.l.google.com.",
                "10 alt4.aspmx.l.google.com.",
                "10 alt3.aspmx.l.google.com.",
                "15 rkz6s4pvr76mqsxkcjun7hxpo52y5v4cuxpxj4fxahazjnsl4e2q.mx-verification.google.com.",
                "5 alt1.aspmx.l.google.com.",
                "1 aspmx.l.google.com."
            ],
            "TXT": [
                "\"v=spf1 include:4268286.spf04.hubspotemail.net include:_spf.google.com include:servers.mcsv.net include:amazonses.com ~all\"",
                "\"google-site-verification=irPpcfWP_MhK6hJo357vd3WO14Kl33TwtwHBlLZL4TU\"",
                "\"google-site-verification=oxDOpGeoTc-h4muKvrrV8a-_U5YMiD0pTLWb_UTUoxc\"",
                "\"google-site-verification=owmO34r25WEVCALmVziA3pWzalURsRjPyPyUDxSdkdw\""
            ],
            "NS": [
                "ns-627.awsdns-14.net.",
                "ns-1662.awsdns-15.co.uk.",
                "ns-1438.awsdns-51.org.",
                "ns-152.awsdns-19.com."
            ],
            "SOA": [
                "ns-1438.awsdns-51.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "75.2.60.5"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:4268286.spf04.hubspotemail.net include:_spf.google.com include:servers.mcsv.net include:amazonses.com ~all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:postmaster@cardano.org, mailto:dmarc@cardano.org",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.cardano.org",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArUuSz/6XVrMunz+mwEwiB5ohpK9CrexijEVseLU+dVKGe/laZzpZ0YY+W0SljQ3A3vYHdUAOhJdFC56O0gG+sA57vT+JrBdWf5i7F7gNzsyUHdmIp2d0sDIOP3ZoZyVkzKTVuARnD4Rnt3HPhabeWi2WU6S54lgBKhbxm3xjI/0A2AyWE/YjQAi30T0lcZpdGeqG+D1z/5bSS4UTVv7FVAmo5okkNSy7EIqnsfcYxnBkY3a13KSSX0iaGIcjU3moB4njiGBixVxP2rWOlHRwwzpYOeGOqNAl6WWC+UHw57NC1ojlUPWEikZ1b1nTmx3G3qrkxoJxz27N0sqLJ0/EuwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 4,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "acd89244c803f7181.awsglobalaccelerator.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "75.2.60.5"
                    ],
                    "time_ms": 54.9
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "75.2.60.5"
                    ],
                    "time_ms": 63.92
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "75.2.60.5"
                    ],
                    "time_ms": 63.52
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "75.2.60.5"
                    ],
                    "time_ms": 50.2
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "75.2.60.5"
                    ],
                    "time_ms": 253.59
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "cardano.org",
        "valid_from": "2026-06-13T04:03:55-05:00",
        "valid_to": "2026-09-11T04:03:54-05:00",
        "days_remaining": 31,
        "san": [
            "cardano.org",
            "www.cardano.org"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://cardano.org/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "accept-ranges": "bytes",
            "age": "8347",
            "cache-control": "public,max-age=0,must-revalidate",
            "cache-status": "\"Netlify Edge\"; hit; ttl=31527653",
            "content-security-policy": "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://cardano.org https://hey.cardano.org https://new-cardano-org-staging.netlify.app https://www.googletagmanager.com https://js.hsforms.net https://forms.hsforms.com https://www.google.com https://www.gstatic.com; img-src 'self' https://cardano.org https://new-cardano-org-staging.netlify.app https://forms.hsforms.com https://forms-eu1.hsforms.com data: https://*.ytimg.com https://img.youtube.com https://ipfs.io https://crowdin-static.cf-downloads.crowdin.com https://*.lumacdn.com; style-src 'self' 'unsafe-inline' https://hey.cardano.org; frame-src 'self' https://www.youtube.com https://www.youtube-nocookie.com https://www.google.com https://*.hsforms.com https://new-cardano-org-staging.netlify.app/reward-calculator/ https://cardano.org/reward-calculator/ https://hey.cardano.org; media-src 'self' https://www.youtube.com https://www.youtube-nocookie.com; connect-src 'self' https://hubspot-forms-static-embed.s3.amazonaws.com https://*.hsforms.com https://*.google-analytics.com https://data.cardano.org https://ipfs.io https://*.algolianet.com https://*.algolia.net; base-uri 'self'; object-src 'none';",
            "content-type": "text/html; charset=UTF-8",
            "date": "Tue, 11 Aug 2026 04:48:48 GMT",
            "etag": "\"b728e2c7332938cf4dd39c9faf868189-ssl\"",
            "permissions-policy": "geolocation=(), microphone=(), camera=()",
            "referrer-policy": "strict-origin-when-cross-origin",
            "server": "Netlify",
            "strict-transport-security": "max-age=63072000; includeSubDomains; preload",
            "x-content-type-options": "nosniff",
            "x-frame-options": "DENY",
            "x-nf-request-id": "01KZQJDNXPDWGSH4D3RF250M4Z",
            "x-xss-protection": "0",
            "content-length": "52900"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": true,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Netlify",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://cardano.org/",
        "title": "Cardano, Secure Decentralized Blockchain Platform | Cardano",
        "description": "Cardano is a decentralized blockchain platform built through peer-reviewed research. Explore ada, staking, governance, DApps, and a global open-source community.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "75.2.60.5": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "alt2.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.9,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4000.6,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4019.3,
                "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": 80.98
}