{
    "ok": true,
    "domain": "spotify.com",
    "generated_at": "2026-08-08T17:03:36-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 86,
        "label": "Good",
        "categories": {
            "dns": 80,
            "mail": 90,
            "security": 77,
            "network": 85,
            "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": 10,
                "lost_points": 0,
                "detail": "1 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "5 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": "7 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": "168 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": 12,
                "lost_points": 23,
                "detail": "3 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: 24.224.186.35.bc.googleusercontent.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": 35,
                "lost_points": 0,
                "detail": "AAAA availability."
            },
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                "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": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "1 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "5 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": "7 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": "168 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": "3 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 12,
                "lost_points": 23
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: 24.224.186.35.bc.googleusercontent.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": "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": {
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                "35.186.224.24"
            ],
            "AAAA": [
                "2600:1901:1:7c5::"
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            "CNAME": [],
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                "1 aspmx.l.google.com.",
                "5 alt1.aspmx.l.google.com.",
                "10 aspmx5.googlemail.com.",
                "10 aspmx2.googlemail.com.",
                "10 aspmx4.googlemail.com."
            ],
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                "\"atlassian-sending-domain-verification=d90f2e0c-fa57-43b6-910f-065cc4d6a0e3\"",
                "\"google-site-verification=uD4f4k01lFWX3qwVbqnVaJg8atpKgAgc-_RYcyT3ofU\"",
                "\"google-site-verification=buTP-BbGUoP8lPntqskvSbeS68M4PDoIFkiUtQEA5n8\"",
                "\"_anz60jg9dhixqlmcv20ntnooz9m0k8x\"",
                "\"have-i-been-pwned-verification=33b7ae688099ee8cca63259b769a0ea8\"",
                "\"google-site-verification=ESiNWockZgSgTPSsrsAdMX9afsj2-_8504nQ0qIHkDA\"",
                "\"zapier-domain-verification-challenge=db8a0b98-bb6a-4f84-a699-344dc23fef3b\"",
                "\"google-site-verification=ehIHBRyAOKdOfUyw_ONXT0TMuUsdk1gDGSYfk8YhRgw\"",
                "\"MS=ms38184034\"",
                "\"facebook-domain-verification=qyrvuca7h4s7wevhzbprtt3tdyyhf1\"",
                "\"yahoo-verification-key=bdudmGyddArwRiVafgItrfYq8nrhd5vzNZ7Ik/G0ILM=\"",
                "\"windsurf-verification=LRBAV_kH3G5aleY1GIc1jMUg_8iBpigIm2qYF00bRps=\"",
                "\"jamf-site-verification=1kKxrm0glhWvrA0YiABH_w\"",
                "\"parallels-domain-verification=7bb3a358f26f4e23a5077648266570c873182a57d6d44e47a55ef6cf72cdb470\"",
                "\"docker-verification=82f3553a-fb50-4d4e-9607-8a8079ee354f\"",
                "\"anthropic-domain-verification-mqtmtz=BSac9xfxvigNt4Ralt2KPkt1V\"",
                "\"onetrust-domain-verification=508849d40e2b4b8fba2b7eaf84f1bddc\"",
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                "\"apple-domain-verification=Dxae2sKJD2O5TKGK\"",
                "\"google-site-verification=0wmxUE7T2OWPhtwjco6oCyqqbYgtosjQdywAr4G4kU0\"",
                "\"openai-domain-verification=dv-VNYvLsJIttFvRz7ymxFgjrPC\"",
                "\"status-page-domain-verification=wq4jns7ydgbb\"",
                "\"cloudflare_dashboard_sso=19cd522a4fc20281209f03663d34ee76\"",
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                "ns-cloud-a2.googledomains.com.",
                "ns-cloud-a4.googledomains.com.",
                "ns-cloud-a3.googledomains.com."
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            "SOA": [
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            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
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        ],
        "ipv6": [
            "2600:1901:1:7c5::"
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    "mail": {
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        "dmarc": "v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rf=afrf; rua=mailto:6jxge2ly@ag.eu.dmarcian.com;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.spotify.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCSiZTnXPysNqgPjX0hSeHC8wVY62ooFHCcC/Jo8TtWRNMoO75qdRUT2qnuF3+gc4/NI2qWMy0yMYqliLHviLMNeKzWjkOaR3VaVHrSuDf+8WSgaWk0HJS5cDStqjknBpd8tmdQDXbSUE8WRUxTzQuWVUmMqU83kMrSygzqmunNiwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "v=BIMI1; l=https://message-editor.scdn.co/spotify-icon.svg",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "24.224.186.35.bc.googleusercontent.com",
        "propagation": {
            "consistent": true,
            "results": [
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                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
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                    ],
                    "time_ms": 49.25
                },
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                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                    "time_ms": 34.52
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                    "time_ms": 39.8
                },
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                    "provider": "OpenDNS",
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                    "result": [
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                    ],
                    "time_ms": 46
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                    "provider": "AdGuard",
                    "server": "94.140.14.14",
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                    "time_ms": 61.65
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        "issuer": "DigiCert Inc",
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        "valid_from": "2026-07-08T19:00:00-05:00",
        "valid_to": "2027-01-23T17:59:59-06:00",
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        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
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        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
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            "vary": "Accept-Encoding",
            "date": "Sat, 08 Aug 2026 22:03:28 GMT",
            "server": "envoy",
            "via": "HTTP/1.1 fringe, HTTP/2 edgeproxy, 1.1 google, 1.1 varnish",
            "accept-ranges": "bytes",
            "x-served-by": "cache-stl760023-STL",
            "x-cache": "MISS",
            "x-cache-hits": "0",
            "x-timer": "S1786226608.970609,VS0,VE101",
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            "x-spotify-open-index": "true",
            "x-envoy-upstream-service-time": "59"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "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": "envoy",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://open.spotify.com/",
        "title": "Spotify - Web Player: Music for everyone",
        "description": "Spotify is a digital music service that gives you access to millions of songs.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "35.186.224.24": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "alt2.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.7,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
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