{
    "ok": true,
    "domain": "overdrive.com",
    "generated_at": "2026-08-09T06:09:41-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 75,
        "label": "Good",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 84,
            "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": "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": 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": 55,
                "lost_points": 0,
                "detail": "63 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": 19,
                "lost_points": 16,
                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: greatoakscharter.lib.overdrive.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": "HTTP/2 403 "
            },
            {
                "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": "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": "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": "ok",
                "title": "Valid TLS certificate",
                "detail": "63 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": "5 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: greatoakscharter.lib.overdrive.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": "HTTP/2 403 ",
                "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": [
                "207.54.136.33"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 mxa-0057c701.gslb.pphosted.com.",
                "10 mxb-0057c701.gslb.pphosted.com."
            ],
            "TXT": [
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                "\"anthropic-domain-verification-br4ndb=iCCas75qhjxr9xc7ID308QY2p\"",
                "\"airtable-verification=cede8f48f6d3d3d31e08c91a74ed4c39\"",
                "\"google-site-verification=WUUO4M8lCeyPRDYvKXnxRcsSgy93Rv8n72CwDHmC_kc\"",
                "\"docusign=2144f067-4ef1-41c0-8c8e-ccee63ee0ec9\"",
                "\"canva-site-verification=dQhk03PhyvIE_RUfjl8qZQ\"",
                "\"bw=GBwFQPzpXWjS1Kup5xfAxq7Jquub0AgEKyCNQm4kqokM\"",
                "\"formstack-domain-verification=71063a625accb3d0f1a0ada266468a54\"",
                "\"atlassian-domain-verification=Br4EabUYyGqVOFO5dQFoeMbXNsHOTrqFRtG7hsZ9Zsh7UI8xZWan7nTgCDtafeDn\"",
                "\"gitkraken-domain-verification=62e9b29144889d2813dc2627e18d247482c58e99c764cc1a193f9a0bbe2b5876\"",
                "\"jamf-site-verification=FwiblA7KURdGLLb16Y3fHw\"",
                "\"amazon-business-verification=f52a237c46c86c28184951123ab88f2522dd611be27406237bd227133f83e8f3\"",
                "\"738c29777f756e911f3084c61ca41c4ae54875d827cfec34e65c368d96c7592e\"",
                "\"prodpad-domain-verification=yuanjsQZ5hdnnhOOc65RAzMpxIQhrsmD8ubDmiylJ54=\"",
                "\"google-site-verification=Ra0nvdMvVeNLeiwakV23odew0-Kp5EeMHDRnkz_JZQk\"",
                "\"SXomk/k/cbZE/0AK4BTng/79b4Z9r01JwIWNwNY4C9EUKCQolmqthXVuQEbj4ibYKdZnjmWXau1Bdj+DVEcHTg==\"",
                "\"v=spf1 ip4:207.54.136.3 ip4:207.54.136.2 ip4:207.54.136.4 include:_spf.salesforce.com include:sendgrid.net include:app.sgizmo.com include:spf.protection.outlook.com include:cust-spf.exacttarget.com -all\"",
                "\"docker-verification=394db3d0-23d6-447b-b196-7250149a3051\"",
                "\"Foxit-domain-verification=62d230480cbb5d40fb5977591b8008d3\"",
                "\"CHyRcqMa3BCrAq68EGvDrdSPLx4D8Qa6hlNHJjkAC5wV40QeKtY0jDsbqw6KZsO2uZ/gUwuRUU47i6onk3U/og==\"",
                "\"MS=ms12292089\"",
                "\"jhfew22bf489a9xbh6v912n334n768y\""
            ],
            "NS": [
                "ns1-05.azure-dns.com.",
                "ns3-05.azure-dns.org.",
                "ns4-05.azure-dns.info.",
                "ns2-05.azure-dns.net."
            ],
            "SOA": [
                "ns1-05.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300"
            ],
            "CAA": [
                "0 issue \"awstrust.com; validationmethods=http-01\"",
                "0 issue \"pki.goog; validationmethods=dns-01,http-01\"",
                "0 issue \"amazontrust.com; validationmethods=http-01\"",
                "0 issue \"amazonaws.com; validationmethods=http-01\"",
                "0 issue \"globalsign.com; validationmethods=dns-01\"",
                "0 issue \"letsencrypt.org; validationmethods=dns-01,http-01\"",
                "0 issue \"amazon.com; validationmethods=http-01\"",
                "0 issue \"cloudflare.com; validationmethods=http-01\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "207.54.136.33"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:207.54.136.3 ip4:207.54.136.2 ip4:207.54.136.4 include:_spf.salesforce.com include:sendgrid.net include:app.sgizmo.com include:spf.protection.outlook.com include:cust-spf.exacttarget.com -all",
        "dmarc": "v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:fedd41a6df@rua.easydmarc.us;ruf=mailto:fedd41a6df@ruf.easydmarc.us;ri=86400;aspf=r;adkim=r;fo=0:1:d:s",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.overdrive.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCdZFhE0VuqWNX13BOrXFucl9qnlJ0VoMv/PCsisk7+Vj5A9vytMJ9SppT9AreR1WGPcEO/S2q1g9qYOMVAAz3tmEAP0mrK0IXhBC37EKhSTR8DdDkjqi1WgVu+B64PA4UCxJef5xrxYEY7jU/qJdQ/zU/cLn8s4ZpNnr+xTabH8wIDAQAB; n=1024,1451165671,1466976871",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "greatoakscharter.lib.overdrive.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "207.54.136.33"
                    ],
                    "time_ms": 61.51
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "207.54.136.33"
                    ],
                    "time_ms": 32.35
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "207.54.136.33"
                    ],
                    "time_ms": 41.48
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "207.54.136.33"
                    ],
                    "time_ms": 51.83
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "207.54.136.33"
                    ],
                    "time_ms": 57.58
                }
            ]
        }
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    "ssl": {
        "available": true,
        "issuer": "Google Trust Services",
        "subject": "*.redirect.overdrive.com",
        "valid_from": "2026-07-13T11:43:43-05:00",
        "valid_to": "2026-10-11T11:43:42-05:00",
        "days_remaining": 63,
        "san": [
            "*.redirect.overdrive.com",
            "*.overdrive.com",
            "*.lib.overdrive.com",
            "*.libraryreserve.com",
            "overdrive.com"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
    },
    "http": {
        "url": "https://www.overdrive.com/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "location": "https://www.overdrive.com/",
            "connection": "close",
            "cache-control": "no-cache",
            "pragma": "no-cache",
            "strict-transport-security": "max-age=31536000; includeSubDomains; preload",
            "date": "Sun, 09 Aug 2026 11:09:40 GMT",
            "content-type": "text/html",
            "content-length": "488",
            "access-control-allow-origin": "*",
            "x-cff": "B",
            "x-content-type-options": "nosniff",
            "referrer-policy": "no-referrer",
            "permissions-policy": "vr=(), midi=()",
            "x-frame-options": "DENY",
            "accept-ranges": "bytes",
            "x-cf3": "P",
            "cf4age": "0",
            "x-cf-tsc": "1786273781",
            "cf4ttl": "10.000",
            "x-cf-forcetr": "1",
            "x-cf2": "P",
            "server": "CFS 1124",
            "x-cf1": "29520:fD.ord1:co:1643202954:cacheN.ord1-01:P"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": true,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "CFS 1124",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.overdrive.com/",
        "title": "403 Forbidden",
        "description": "",
        "success": true,
        "error": "",
        "status": 403
    },
    "network": {
        "207.54.136.33": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "mxa-0057c701.gslb.pphosted.com",
        "ports": [
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                "port": 25,
                "open": false,
                "time_ms": 29.1,
                "banner": "",
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                "open": false,
                "time_ms": 80,
                "banner": "",
                "error": "Connection refused"
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                "port": 587,
                "open": false,
                "time_ms": 44.5,
                "banner": "",
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    "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": 88.23
}