{
    "ok": true,
    "domain": "raspberrypi.org",
    "generated_at": "2026-08-08T20:40:42-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 91,
        "label": "Excellent",
        "categories": {
            "dns": 95,
            "mail": 100,
            "security": 81,
            "network": 70,
            "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": "2 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "2 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 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": "5 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": 5,
                "lost_points": 0,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "82 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": 16,
                "lost_points": 19,
                "detail": "4 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "detail": "Two or more IPv4 addresses receive full points."
            },
            {
                "category": "network",
                "title": "IPv6 connectivity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "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": "2 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "2 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "2 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": "5 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": "ok",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "82 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": "4 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 16,
                "lost_points": 19
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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": [
                "172.66.149.158",
                "104.20.23.243"
            ],
            "AAAA": [
                "2606:4700:10::ac42:959e",
                "2606:4700:10::6814:17f3"
            ],
            "CNAME": [],
            "MX": [
                "5 alt1.aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "10 alt4.aspmx.l.google.com.",
                "1 aspmx.l.google.com.",
                "10 alt3.aspmx.l.google.com."
            ],
            "TXT": [
                "\"onetrust-domain-verification=42e0b0ebebca4b958dc4bd5308713ee9\"",
                "\"anthropic-domain-verification-zrz30e=SSmGsfIO7HeaV73cnMZ8fDWFc\"",
                "\"docusign=d8ff0ddb-5029-434e-a283-e1988b187710\"",
                "\"security_contact=mailto:security@raspberrypi.org\"",
                "\"0ed1fe018af8dc85cf7c7248b38c5d99c7c16a8d3f\"",
                "\"canva-site-verification=SPrLll0gvBKx5_u-YE28Bg\"",
                "\"pardot800983=c44249c9f5da1bfbf33a10a397235d219b4be95e98457f7d4652d3bf374e9784\"",
                "\"facebook-domain-verification=wqki2a0ywwv9og53cciqrgjbmacrqs\"",
                "\"v=spf1 include:_spf.google.com include:aspmx.pardot.com include:mail.zendesk.com include:spf1.formassembly.com include:_spf.mythic-beasts.com include:spf.mtasv.net ~all\"",
                "\"uber-domain-verification=5c327d91-2402-4dee-b998-9f79e37efa9a\"",
                "\"google-site-verification=KmsnTP6T5_z55dGozUBNTaSoLzJTRbOedayCBLN7CPA\"",
                "\"openai-domain-verification=dv-BPbxA2vBQDwvlQ6F0XMR8ABA\"",
                "\"security_policy=https://www.raspberrypi.org/contact/security/\"",
                "\"cursor-domain-verification-zk8d33=e13JxdZX9VUWNfxzdRhTPWP5x\"",
                "\"security_contact=https://keybase.io/rpfwebteam\"",
                "\"apple-domain-verification=Eb1jiiZT9U7Gbcrq\""
            ],
            "NS": [
                "april.ns.cloudflare.com.",
                "tony.ns.cloudflare.com."
            ],
            "SOA": [
                "april.ns.cloudflare.com. dns.cloudflare.com. 2411215500 10000 2400 604800 1800"
            ],
            "CAA": [],
            "DS": [
                "2371 13 2 6984AB832CEC75FC12324E60859BB6100AF26D797F0D06468C802EA8 D71E522A"
            ],
            "DNSKEY": [
                "256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==",
                "257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ=="
            ],
            "RRSIG": [],
            "NSEC": [
                "\\000.raspberrypi.org. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "172.66.149.158",
            "104.20.23.243"
        ],
        "ipv6": [
            "2606:4700:10::ac42:959e",
            "2606:4700:10::6814:17f3"
        ]
    },
    "mail": {
        "spf": "v=spf1 include:_spf.google.com include:aspmx.pardot.com include:mail.zendesk.com include:spf1.formassembly.com include:_spf.mythic-beasts.com include:spf.mtasv.net ~all",
        "dmarc": "v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:92c4d625@inbox.ondmarc.com; ruf=mailto:92c4d625@inbox.ondmarc.com;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.raspberrypi.org",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiEvIn19u7Va/12L0hKzLgGOrHe8i9Iv3oG9toBnzbdfW1tRvd149Y+M8ii5LfuHrjN0ybRMY+JTfZTHPZoARNLNcGj3E6J2N33cliIqt1M2jonRp+qIknsJ4JPlWf0AmY2niW8zKyi+tOMwbvJxztXwLRFpwECapyF9jj7Ajt2crnS3Ec62rDnSqAG+bVbRVwtWTmFGGi+PaHGGoiPqLibbPJmUyEB7gm8zo4KpstRrGBewxRU9He68lKhnSAIM4tl02IVZ8P+K6YZ8uSy0eQPpDYpVmkUZRLWuOBjxEFufadcTtgADcFXhNg7M9NOijEs87BYcriqDLE6on1VCduQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 6,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "v=STSv1; id=1748438906393",
        "tls_rpt": "v=TLSRPTv1; rua=mailto:92c4d625@inbox.ondmarc.com;"
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "104.20.23.243",
                        "172.66.149.158"
                    ],
                    "time_ms": 65.1
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "104.20.23.243",
                        "172.66.149.158"
                    ],
                    "time_ms": 44.92
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "104.20.23.243",
                        "172.66.149.158"
                    ],
                    "time_ms": 42.54
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "104.20.23.243",
                        "172.66.149.158"
                    ],
                    "time_ms": 82.62
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "104.20.23.243",
                        "172.66.149.158"
                    ],
                    "time_ms": 71.14
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "raspberrypi.org",
        "valid_from": "2026-08-01T11:44:27-05:00",
        "valid_to": "2026-10-30T11:44:26-05:00",
        "days_remaining": 82,
        "san": [
            "*.raspberrypi.org",
            "raspberrypi.org"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.raspberrypi.org/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "date": "Sun, 09 Aug 2026 01:40:33 GMT",
            "content-type": "text/html; charset=utf-8",
            "location": "https://www.raspberrypi.org/",
            "server": "cloudflare",
            "cf-ray": "a2830dae79ecf8d7-ORD",
            "cf-cache-status": "HIT",
            "accept-ranges": "bytes",
            "age": "58068",
            "cache-control": "private, max-age=300, must-revalidate",
            "link": "</assets/application-dfc306bf1007d58514d14a21102b2f7f6c8ab6c5e1f6488f81a8500787d22d6c.css>; rel=preload; as=style; nopush",
            "vary": "accept-encoding",
            "via": "2.0 heroku-router",
            "content-security-policy": "default-src 'self'; font-src 'self' data: https://fonts.gstatic.com https://*.hotjar.com; frame-src 'self' https://www.youtube.com www.youtube-nocookie.com www.buzzsprout.com https://challenges.cloudflare.com; img-src 'self' data: https://www.raspberrypi.org https://rpf-futurelearn.s3-eu-west-1.amazonaws.com https://*.google-analytics.com https://images.ctfassets.net https://*.hotjar.com; object-src 'none'; script-src 'self' blob: 'unsafe-inline' https://*.google-analytics.com https://*.googletagmanager.com https://tagmanager.google.com https://*.hotjar.com https://challenges.cloudflare.com https://*.cookiebot.com https://ga.jspm.io; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://*.hotjar.com; connect-src 'self' https://*.google-analytics.com https://stats.g.doubleclick.net https://*.hotjar.com https://*.hotjar.io wss://*.hotjar.io https://*.cookiebot.com",
            "nel": "{\"report_to\":\"heroku-nel\",\"response_headers\":[\"Via\"],\"max_age\":3600,\"success_fraction\":0.01,\"failure_fraction\":0.1}",
            "referrer-policy": "strict-origin-when-cross-origin",
            "report-to": "{\"group\":\"heroku-nel\",\"endpoints\":[{\"url\":\"https://nel.heroku.com/reports?s=%2FwXqyi2q8%2FH4ioW4IU1eQcFz8PbhxQBKdfqVX8X%2BOR0%3D\\u0026sid=812dcc77-0bd0-43b1-a5f1-b25750382959\\u0026ts=1786181565\"}],\"max_age\":3600}",
            "reporting-endpoints": "heroku-nel=\"https://nel.heroku.com/reports?s=%2FwXqyi2q8%2FH4ioW4IU1eQcFz8PbhxQBKdfqVX8X%2BOR0%3D&sid=812dcc77-0bd0-43b1-a5f1-b25750382959&ts=1786181565\"",
            "x-clacks-overhead": "GNU Terry Pratchett",
            "x-content-type-options": "nosniff",
            "x-frame-options": "SAMEORIGIN",
            "x-permitted-cross-domain-policies": "none",
            "x-request-id": "502801e6-ba98-ff0d-0bec-1659f363c08f",
            "x-runtime": "0.096790",
            "x-xss-protection": "0"
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "cloudflare",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.raspberrypi.org/",
        "title": "Teach, learn, and make with the Raspberry Pi Foundation",
        "description": "We are a charity with the mission to enable young people to realise their full potential through the power of computing and digital technologies.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "172.66.149.158": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "104.20.23.243": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "alt1.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.7,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4012.9,
                "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": 85.61
}