{
    "ok": true,
    "domain": "comcast.com",
    "generated_at": "2026-08-09T09:19:20-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 56,
        "label": "Fair",
        "categories": {
            "dns": 85,
            "mail": 90,
            "security": 0,
            "network": 50,
            "availability": 60
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "1 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "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": 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": "2 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55,
                "detail": "No valid certificate was retrieved."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
                "detail": "0 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: dns-upper-redirect.xfinity.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": 0,
                "lost_points": 40,
                "detail": "No successful HTTP response."
            },
            {
                "category": "availability",
                "title": "HTTPS final URL",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
            }
        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "IPv6 (AAAA)",
                "detail": "0 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "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": "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": "2 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "Valid TLS certificate",
                "detail": "No valid certificate was retrieved.",
                "category": "security",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55
            },
            {
                "level": "error",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: dns-upper-redirect.xfinity.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": "error",
                "title": "HTTP response",
                "detail": "No successful HTTP response.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
    "dns": {
        "records": {
            "A": [
                "96.99.227.0"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 mxa-00143702.gslb.pphosted.com.",
                "5 mxb-00143702.gslb.pphosted.com."
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                "\"docker-verification=f79a60d9-69ec-4c26-8d54-0165c0943613\"",
                "\"airtable-verification=d9386eea22fce5ee0d01209512aa7706\"",
                "\"atlassian-domain-verification=xhDGO0SgEPXcuSpqqvu7kAzZyKrM2pat53VPEt5XvKGHvOq4ErhUFRioLG98Ndh3\"",
                "\"facebook-domain-verification=f1zw72g52fjiesmld6xtuj467pl7f5\"",
                "\"al0yn+08kj3q/n1E+s02ttnE5Fd9gIjwjjbn4mCggizGLJepyQ7cMxRTgw4RxYVoZ965qJIHfnH0966SxaicMw==\"",
                "\"apple-domain-verification=XRKeuEf5cWtc2oDC\"",
                "\"1password-site-verification=3BCX5ACVKBD73ADOMJ5XWM7JJ4\"",
                "\"vertexinc-cloud-208b00fd-6b0a-43ae-8e00-1ee7ab817d66\"",
                "\"docusign=0ead29a6-1c9c-4b0c-865a-85a5a127e776\"",
                "\"paloaltonetworks-site-verification=b6c919476067691db128e9375b002b801db8ab2a1de767bc27acb829530c59bd\"",
                "\"snowflake-verification=5bf2f458-019f-1000-8b08-000000000420\"",
                "\"gitkraken-domain-verification=82a0c351cecd44e7da8f5254930e2b9f4508718255d575583f48949e4a887399\"",
                "\"pexip-ms-tenant-domain-verification=31cff1f1-d4b6-492b-8d98-5b42f38c3949\"",
                "\"airtable-verification=644c0c83b6807a2a10c20d4cf57505d7\"",
                "\"google-site-verification=XdqEZdbhoNgKou31_aOrVN98TKJqxC0Ve3hNPBmSM7M\"",
                "\"aws-domain-verification=c326827a-0d9a-4061-a35d-1ea2a8afc6f5\"",
                "\"docusign=8fb076b3-05e6-41c4-a6ee-6f6227be4b11\"",
                "\"browserstack-domain-verification=e23475d1-ef64-4cf7-bf92-7620239fe86a\"",
                "\"pendo-domain-verification=XM4f85DQvo0VLA8QzSh-M0bjGEs\"",
                "\"airtable-verification=31e52307c66bf62d16697b7f0439d35e\"",
                "\"adobe-idp-site-verification=8c9c59d410322404f7d75a0b3c770ce7b87cf141707b58224143253e1149f489\"",
                "\"openai-domain-verification=dv-z3jR2RoYFRLipmXTqN9mx5hU\"",
                "\"3587620\"",
                "\"eYZbzQ91r/pvvnV/FdrbHyREx7EaAwWLeNYk/EMQrJiGpNCsX4tJcWlHJDFzifTDbfnlhI6koqrm0dYgkIfncg==\"",
                "\"autodesk-domain-verification=9qi_qkHrCGa8onVbz33s\"",
                "\"atlassian-domain-verification=J+tB36tc4CyLsnqZ/MTW5tI3SZ+IOFAGTWEgMbo+FLRl+gvI4cSIQmMmTYOPEbTz\"",
                "\"paloaltonetworks-site-verification=b51e185f274a13eccff6f0e001549d4a2f08fc11c599ffde8f295cc7cf4c3138\"",
                "\"amazonses:RYuDm+T3xJC87y0v4Cj4JlDm9d5enVzIZcr/arCF7J0=\"",
                "\"atlassian-domain-verification=n+yfnu4Su0J6uQkiatjL+lTNjzOZrPUGOpVn+HiHPwwDgMivjJD5Pwg7yzepfmIC\"",
                "\"teamviewer-sso-verification=4a24e296450940f48ac4faba9a172fc0\"",
                "\"mongodb-site-verification=ucqyDX29txaTTi3K4euWVtieT0zCXRrg\"",
                "\"smartsheet-site-validation=x1Hv84--jB9jvo7M0QQviDXPy_81zS_t\"",
                "\"airtable-verification=709aa8e31ed274aa8abc0f3a9286141f\"",
                "\"atlassian-domain-verification=C34TI2IiJOrziv9uyV2Yva6ZoRRCSZPjqc15wZASQfypHgNMl6esmkpDsYYXhjk7\"",
                "\"airtable-verification=00fd4b2a11b394abba9d040c40502707\"",
                "\"intersight=3c7c5c60389a6b81830ef696f8761bc121ecf3f10d7cf8eef08f66af90451a8f\""
            ],
            "NS": [
                "dns101.comcast.net.",
                "dns104.comcast.net.",
                "dns105.comcast.net.",
                "dns102.comcast.net.",
                "dns103.comcast.net."
            ],
            "SOA": [
                "dns101.comcast.net. domregtech.comcastonline.com. 2009105038 7200 3600 1209600 900"
            ],
            "CAA": [],
            "DS": [
                "9764 13 2 705C2E769020C2AA0583D5AC58D410BF0714ABA694C5C07D37231584 2273D028"
            ],
            "DNSKEY": [
                "256 3 13 bHDsXNJ7KqOfnSbfP0h1jkgIUUE4YTP6dRYlX77lmtiX8fza0Ajioi/U MZ7NAQpgjENSfAFt8JQPGrLPf4T0Hw==",
                "257 3 13 nzcaaCs20dIRsfvG2udjlYkgP1xXnak/Xm6QgB7H1G2I9ee4zLYezUzN w8R1RnCoyhw4qF21yJ16NQCahAH5XQ=="
            ],
            "RRSIG": [
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                "NS 13 2 7200 20260810163102 20260803132602 21954 comcast.com. 1eKHUSoW/PymI5IvbXVt43g1S7gJWnSOjRz1ExERV2+5fnahqYxlCUmp ri1O6By257ogG1t/+D7ncEilNgMPMw==",
                "NSEC 13 2 3600 20260810163102 20260803132602 21954 comcast.com. b7SRa02QjZxXe/rsQTo8dzEbGXKid8EejS3iRiLPnwF97O0cEFl6AqSo 9a/LrK7hp5P04stWMDhzhEx8wgYg3g==",
                "DNSKEY 13 2 3600 20260810163102 20260803132602 21954 comcast.com. j9TKPgirPx98c2LnXRw3mDQRh+1RywKfVLi1uoiOfxPkCYF3ertN82po sS/cIwxbTXEzDJLgg/MQP53OikPABA==",
                "DNSKEY 13 2 3600 20261013133102 20260615133102 9764 comcast.com. XhrY7W26x96psJdQIcsYgd5Brtnl+E/q1bG3RQXAdE4hsxiTn3GMxC6e twZE5Y9+lu9NvxlW/Cc8WilgsAqOmA==",
                "SOA 13 2 3600 20260810163102 20260803132602 21954 comcast.com. ciKGeTOjp0vmr1cRy+IGM2FJkK5/ZXU7PLKid68A2wOXzi+KYKZ5p5dT WUVizVOUIhcPTj8nrd5xvaJPhUpHUQ==",
                "TXT 13 2 7200 20260810163102 20260803132602 21954 comcast.com. qTmabfEkRlmBLiKQ6AkZTcrUKe3UAUaqxRdap4kq9ctKPS559ZZkFumH sDwbYAtOSbf/dM8n0u/kcC8zGO6UMA==",
                "MX 13 2 300 20260810163102 20260803132602 21954 comcast.com. u2RpJum4+jEQ7kLZmg0XxpuqrcHfQcXNF7WW/r9bSHwpAfDo8d10nXLb ggwtrStqHzBqxDI6TFCusjgVyA80Rw==",
                "DS 13 2 86400 20260816032036 20260809021036 41446 com. 6xYoCbmQhlEV+9ksOa0F2nCsszS8zBLYRsuQjguqUJU+UiJKmXVAqzeo D5EcyvwsK9TzFe3x2EH51i7ANdbDbA=="
            ],
            "NSEC": [
                "12c.comcast.com. A NS SOA MX TXT RRSIG NSEC DNSKEY"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "96.99.227.0"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:148.163.145.77 ip4:148.163.141.77 ip4:162.150.44.71 ip4:96.114.158.212 ip4:68.87.31.167 ip4:68.87.96.15 ip4:96.114.28.75 ip4:96.114.28.76 ip4:67.231.157.49 ip4:67.231.149.53 ip4:192.28.144.202 include:spfext.zapproved.com include:_spf.mdp.comcast.net include:_spf.comcast.com include:spf-00143705.pphosted.com ~all",
        "dmarc": "v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc-rua@dmarctest.comcast.net;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com",
        "dkim_selector": "k1",
        "dkim_host": "k1._domainkey.comcast.com",
        "dkim": "k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;",
        "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": "dns-upper-redirect.xfinity.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "96.99.227.0"
                    ],
                    "time_ms": 34.55
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "96.99.227.0"
                    ],
                    "time_ms": 47.42
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "96.99.227.0"
                    ],
                    "time_ms": 35.64
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "96.99.227.0"
                    ],
                    "time_ms": 28.1
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "96.99.227.0"
                    ],
                    "time_ms": 65.23
                }
            ]
        }
    },
    "ssl": {
        "available": false,
        "issuer": "",
        "subject": "",
        "valid_from": "",
        "valid_to": "",
        "days_remaining": null,
        "san": [],
        "protocol": "",
        "cipher": "",
        "error": "Connection refused"
    },
    "http": {
        "url": "https://comcast.com/",
        "status": "",
        "http_version": "0",
        "headers": [],
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://comcast.com/",
        "title": "",
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