{
    "ok": true,
    "domain": "sketchfab.com",
    "generated_at": "2026-08-08T20:11:15-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 79,
        "label": "Good",
        "categories": {
            "dns": 65,
            "mail": 90,
            "security": 73,
            "network": 65,
            "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": "4 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": 5,
                "lost_points": 0,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "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": 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": "159 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": 8,
                "lost_points": 27,
                "detail": "2 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: server-3-167-163-6.ord56.r.cloudfront.net"
            },
            {
                "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": 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": "4 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": "ok",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "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": "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": "159 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": "2 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 8,
                "lost_points": 27
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: server-3-167-163-6.ord56.r.cloudfront.net",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "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": "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": [
                "3.167.163.6",
                "3.167.163.85",
                "3.167.163.44",
                "3.167.163.59"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 alt1.aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "10 alt3.aspmx.l.google.com.",
                "10 alt4.aspmx.l.google.com.",
                "1 aspmx.l.google.com."
            ],
            "TXT": [
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                "\"Sendinblue-code:893b13ba16ab42c906f31ddb4d6c0972\"",
                "\"dropbox-domain-verification=hdzg4gv89jax\"",
                "\"smartsheet-site-validation=UKQ9vunDy5i2LXlAqwfMpCBLYvg1TNd9\"",
                "\"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all\"",
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                "\"google-site-verification=CkzXPYnKKBciPYalhXoO-ZqsXvZFrUJyh651HowaeH4\"",
                "\"atlassian-domain-verification=SoJZyndmWCSCCPEyKf0gxRibYYQGlSvtWMEwAI5JRm0LU2g7e7xW4T2WRM0iahex\"",
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                "\"google-site-verification=LrK1Vp3WgG36TFqPMA1zxPstliUIGZJAhtU3i-slqHQ\"",
                "\"openai-domain-verification=dv-WwDzb0UffYovHWmc8ILUiSsC\"",
                "\"miro-verification=66a6d0d4ec91315544e1c0ab5e73b7a2a174f6f4\"",
                "\"notion-domain-verification=xXMBP2X1o1sdyWYbFPT8WxMFmH6AeVwrpRpcdXK9uZ0\"",
                "\"cursor-domain-verification-bfcs5x=3og16N1cvdpYQTiEbkW8l3SAy\""
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            "NS": [
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                "ns-1283.awsdns-32.org.",
                "ns-1716.awsdns-22.co.uk.",
                "ns-1005.awsdns-61.net."
            ],
            "SOA": [
                "ns-1716.awsdns-22.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [
                "0 issue \"letsencrypt.org\"",
                "0 issue \"amazon.com\"",
                "0 issue \"digicert.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "3.167.163.6",
            "3.167.163.85",
            "3.167.163.44",
            "3.167.163.59"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all",
        "dmarc": "v=DMARC1; p=quarantine; sp=reject; pct=100; adkim=r; aspf=r; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@mailinblue.com,mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:NTY5MjE4@ruf.vali.email,mailto:dmarc@mailinblue.com,mailto:dmarc_ruf@emaildefense.proofpoint.com; fo=1; rf=afrf; ri=86400",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.sketchfab.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2tkRg5VtTpIL+SPEIvWDYygrNmR4ncualhQFjgX/iEDZ9PS3NcBC34D00juyCZUPsM5kgSO4QPohzOXo75naRNHi04t8YbPZSd+VVUaO4ou+xjDn2ZMtcP2n3Q4BpC2UYBoUEozrUJg0HSQL4iKMkGvIN4F3h3AMHv0jjsgu8BGvf7KIoSy8HYNNjqI6FjJ7xu3KPxdg/QUBRjDv/DgptT3w/jKo3nyYVYuV4cnezWXLiTP/L4g/WSjNvpu/x8DzSlO0SZB68WxEMYaoO5z4hd1mR4nHeA4SByUQaX2ycnjpUI2mWqFslFUbGBDNHjcsPq12xkICDBzHqsBvjUcKtwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "server-3-167-163-6.ord56.r.cloudfront.net",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
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                        "99.84.203.33",
                        "99.84.203.42",
                        "99.84.203.76"
                    ],
                    "time_ms": 79.72
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                        "3.167.163.59",
                        "3.167.163.6",
                        "3.167.163.85"
                    ],
                    "time_ms": 45.96
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
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                        "54.192.100.81",
                        "54.192.100.87",
                        "54.192.100.98"
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                    "time_ms": 61.36
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
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                        "99.84.203.33",
                        "99.84.203.42",
                        "99.84.203.76"
                    ],
                    "time_ms": 87.1
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
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                        "54.192.100.81",
                        "54.192.100.87",
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                    "time_ms": 76.91
                }
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    },
    "ssl": {
        "available": true,
        "issuer": "Amazon",
        "subject": "sketchfab.com",
        "valid_from": "2025-12-16T18:00:00-06:00",
        "valid_to": "2027-01-15T17:59:59-06:00",
        "days_remaining": 159,
        "san": [
            "sketchfab.com",
            "*.sketchfab.me",
            "e6f79c614c67.sketchfab.com",
            "sketchfab.me",
            "www.skfb.ly",
            "api.sketchfab.com",
            "skfb.ly",
            "blog.sketchfab.com",
            "www.sketchfab.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://sketchfab.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "content-type": "text/html; charset=utf-8",
            "content-length": "186145",
            "date": "Sun, 09 Aug 2026 01:11:06 GMT",
            "cache-control": "max-age=0, no-cache, no-store, must-revalidate, private",
            "server": "gunicorn",
            "x-request-limit-limit": "1500",
            "x-request-limit-remaining": "1499",
            "content-security-policy-report-only": "default-src 'unsafe-inline' 'unsafe-eval' * data: blob:",
            "strict-transport-security": "max-age=604800;",
            "x-xss-protection": "1; mode=block",
            "x-frame-options": "SAMEORIGIN",
            "vary": "Cookie",
            "expires": "Sun, 09 Aug 2026 01:11:06 GMT",
            "x-cache": "Miss from cloudfront",
            "via": "1.1 4a9fad6680fa35039887a33d97a25466.cloudfront.net (CloudFront)",
            "x-amz-cf-pop": "ORD56-P10",
            "x-amz-cf-id": "8GfXo8iQRaZqmOVkGwglWC5xZW3SDUYPrplv7Wka1LQWt96wulOegw=="
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": true,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "gunicorn",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://sketchfab.com/",
        "title": "Sketchfab - The best 3D viewer on the web",
        "description": "With a community of over one million creators, we are the world’s largest platform to publish, share, and discover 3D content on web, mobile, AR, and VR.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "3.167.163.6": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "3.167.163.85": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
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            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
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            "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": 4017.2,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4005.9,
                "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": 94.21
}