{
    "ok": true,
    "domain": "carfax.com",
    "generated_at": "2026-08-09T20:55:32-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 76,
        "label": "Good",
        "categories": {
            "dns": 60,
            "mail": 90,
            "security": 65,
            "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": "8 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": 0,
                "lost_points": 10,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "1 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": "96 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": 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: server-52-222-205-112.dfw59.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": "8 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": "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": "1 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": "96 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": "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: server-52-222-205-112.dfw59.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": [
                "52.222.205.112",
                "52.222.205.73",
                "52.222.205.121",
                "52.222.205.116"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 carfax-com.mail.protection.outlook.com."
            ],
            "TXT": [
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                "\"atlassian-domain-verification=a6z15VTxtEFUry6WVe9zIrZYtI4cM54IAOqIyNUAgGyi2TAEpuJaPvhBH14xrIRB\"",
                "\"h1-domain-verification=RcqX5VWiUETfb6trmCWQfCfahhHY9YUoETnajJCjKLnh6Gi3\"",
                "\"parsec-domain-verification=td_3BR28LnhFgRf60w92s3oztPIIqH\"",
                "\"jamf-site-verification=t99kZMMyh-NHyu8IawByMw\"",
                "\"smartsheet-site-validation=-Xj_6Y3NA-r2hvMxKQvtQUL1tqSQvLAS\"",
                "\"atlassian-domain-verification=SYhO1JH2NzuVRk1D9y3vC2CoIZww7IOjZGw2UH4oxbcguZ0lP/OUFoGTeBSKHfF3\"",
                "\"miro-verification=071e9ff0059a15166ef41912d2271e4eb835684e\"",
                "\"onetrust-domain-verification=4fe84ade0aa649449888ee7d3471328c\"",
                "\"facebook-domain-verification=tzffe7rfkg6qd3nv09mz085o8sf30b\"",
                "\"v=spf1 ip4:40.114.51.96 ip4:64.193.21.0/24 ip4:166.90.97.0/24 ip4:216.117.25.0/24 ip4:216.117.92.0/24 ip4:216.117.105.0/24 ip4:20.242.10.187/32 include:mktomail.com include:service-now.com include:_spf.salesforce.com include:spf.protection.outlook.com inc\" \"lude:carfax.us include:5bd90f.workshop-spf.net -all\"",
                "\"google-site-verification=xiDjdJ47YHOyZtMo4cPyUfEU0Cim33LmdNzlhVl2TMc\"",
                "\"docusign=d0a7b43e-df13-4b90-b1ee-dbd8fb8e6ec6\"",
                "\"+1gYTj2ybp4ginYrkDrv8JI1bmiCFyUkfR6T2wKAhbJYTrADOAlUkC+cN8Cs5EaLvgvdrz2b5OHom7QTrCqk4A==\"",
                "\"anthropic-domain-verification-rcz2fg=For92SmgeFZ0XvKlwwOCYtidg\"",
                "\"_umy37x07jsle67n2mm4y5ny6x6993lk\"",
                "\"atlassian-sending-domain-verification=bb990bab-c513-40eb-b8bf-0b3905e567a7\"",
                "\"google-site-verification=IgHNI3QfU5g2FjemSmucwZEHUYUrSr4EEknFGTlSvQ8\"",
                "\"google-site-verification=C0yWimJw3i37MDb16YH3ovBHLlWT1sYHGBpZ813OXGU\"",
                "\"MS=ms39282613\"",
                "\"infoblox-domain-mastery=fd63c8a7d25b000faacdc87043ccefe82c3ad3c1cd84845c95d4a5b620baf521fa\"",
                "\"google-site-verification=fhcRZ9QWfQPZyXv_PY1h0PpjtS_EMgJnx3ZoSJAuZD4\"",
                "\"paloaltonetworks-site-verification=58f53ee61c0016e4f50c5fb603b53ec62d056b0d5a225f1c2a3f4278e70cd875\"",
                "\"zscaler-verification-81298-10032026-6vki3d13pS\"",
                "\"google-site-verification=xwQXBiDa_n-VxLNtXWjPjtErLwHVkUUMmuxRe1nCjWE\"",
                "\"slack-domain-verification=U9KKuwJ4IKNtaan89p70NITffabWUCuiQwZnccgs\"",
                "\"docusign=4cc0b50b-e7fd-4cbc-9cf9-e77f3baa9bbe\"",
                "\"docker-verification=9751618e-fa9c-4233-b089-7dc8458d6e4d\"",
                "\"google-site-verification=NXUcSUT8rbkkfw3n_-8EnulgEcKb4GXsBJmS4EZgEgg\"",
                "\"google-site-verification=ElnDIk1K7wudCpLY74UVeIF_P_rpuYffEewgNQg5Vpw\"",
                "\"vertexinc-cloud-8015bff2-abb5-481d-a9a7-8ccb9d8dcc66\"",
                "\"mongodb-site-verification=pGWSBys4XwWG9OC3lPpbKCqWkfoGDYyd\"",
                "\"wiz-domain-verification=76627b2240349ea6078b158a119c2067b05f8a8bb48eba283a51c51246d50179\"",
                "\"mongodb-site-verification=SHiuYspaJxhGuM3wYH1ECSQZCSJbjUWT\"",
                "\"google-site-verification=wYGren5BFyrMdmXY-ZwU-GP5qousDA7X1tZvyyif32w\""
            ],
            "NS": [
                "dns4.p07.nsone.net.",
                "ns03.carfaxdns.net.",
                "ns01.carfaxdns.net.",
                "ns04.carfaxdns.net.",
                "dns2.p07.nsone.net.",
                "dns1.p07.nsone.net.",
                "dns3.p07.nsone.net.",
                "ns02.carfaxdns.net."
            ],
            "SOA": [
                "dns1.p07.nsone.net. hostmaster.nsone.net. 1653665910 10800 3600 2592000 1800"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "52.222.205.112",
            "52.222.205.73",
            "52.222.205.121",
            "52.222.205.116"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:40.114.51.96 ip4:64.193.21.0/24 ip4:166.90.97.0/24 ip4:216.117.25.0/24 ip4:216.117.92.0/24 ip4:216.117.105.0/24 ip4:20.242.10.187/32 include:mktomail.com include:service-now.com include:_spf.salesforce.com include:spf.protection.outlook.com include:carfax.us include:5bd90f.workshop-spf.net -all",
        "dmarc": "v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_reports@carfax.com, mailto:carfax@us.cp-dmarc.com; ruf=mailto:dmarc_reports@carfax.com, mailto:carfax@us.cp-dmarc.com; sp=none; ri=86400",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.carfax.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD1bdVsR5VmXWsyxBnzn4c38sd1UpdzBXQq4ZEMY8zwG4GkYxzcuG46Rhvac7877hxoVb1G+x8v4hLVJQ0josRoIx4sXzFCuP90e6/3zIXL4tI31OGnXthdeIGkT/11t1OS39d9NAYlqWd5+Kjy2pTyuacs6esxR3sXAjSucmQK4wIDAQAB; n=1024,1457929223,1473826823",
        "spf_analysis": {
            "valid": true,
            "lookups": 6,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "server-52-222-205-112.dfw59.r.cloudfront.net",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "99.84.118.100",
                        "99.84.118.124",
                        "99.84.118.22",
                        "99.84.118.27"
                    ],
                    "time_ms": 61.24
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "54.192.55.113",
                        "54.192.55.56",
                        "54.192.55.83",
                        "54.192.55.86"
                    ],
                    "time_ms": 56.5
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "3.164.92.107",
                        "3.164.92.124",
                        "3.164.92.47",
                        "3.164.92.57"
                    ],
                    "time_ms": 79.97
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "54.192.55.113",
                        "54.192.55.56",
                        "54.192.55.83",
                        "54.192.55.86"
                    ],
                    "time_ms": 50.7
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "13.32.241.102",
                        "13.32.241.107",
                        "13.32.241.23",
                        "13.32.241.93"
                    ],
                    "time_ms": 63.83
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Amazon",
        "subject": "*.carfax.com",
        "valid_from": "2025-10-16T19:00:00-05:00",
        "valid_to": "2026-11-14T17:59:59-06:00",
        "days_remaining": 96,
        "san": [
            "*.carfax.com",
            "carfax.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://www.carfax.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "content-length": "75797",
            "location": "https://www.carfax.com/",
            "date": "Mon, 10 Aug 2026 01:55:24 GMT",
            "server": "AmazonS3",
            "x-cache": "Miss from cloudfront",
            "via": "1.1 e111150962050a0e90ab08053c0f9778.cloudfront.net (CloudFront)",
            "x-amz-cf-pop": "ORD56-P1",
            "x-amz-cf-id": "_1GhHpbQoVq51-UM3Cxnh6akUX3TuPPcZN_27j1ZmQhTglkx7IQ1_w==",
            "age": "51201",
            "content-type": "text/html",
            "last-modified": "Mon, 22 Jun 2026 15:11:22 GMT",
            "x-amz-server-side-encryption": "AES256",
            "cache-control": "max-age=0",
            "accept-ranges": "bytes",
            "etag": "\"e4ebd4797307a68f7c9d9d176fc4a81b\"",
            "alt-svc": "h3=\":443\"; ma=86400"
        },
        "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": "AmazonS3",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.carfax.com/",
        "title": "CARFAX - Shop, Buy, Own, & Sell Cars with Confidence",
        "description": "Don't run the risk of buying a used car with costly hidden problems. Shop with confidence for a car with the CARFAX vehicle history that's right for you.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "52.222.205.112": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "52.222.205.73": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "52.222.205.121": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "52.222.205.116": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "carfax-com.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 24.2,
                "banner": "",
                "error": "Connection refused"
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