{
    "ok": true,
    "domain": "nd.edu",
    "generated_at": "2026-08-08T21:09:56-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 84,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 100,
            "security": 84,
            "network": 50,
            "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": 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": "2 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": "5 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "131 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: ec2-34-193-237-201.compute-1.amazonaws.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": 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": "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": "2 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": "5 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "131 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: ec2-34-193-237-201.compute-1.amazonaws.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": "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": [
                "34.193.237.201"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
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                "50 alt2.aspmx.l.google.com.",
                "10 aspmx.l.google.com.",
                "50 alt1.aspmx.l.google.com.",
                "100 alt3.aspmx.l.google.com."
            ],
            "TXT": [
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                "\"bmQuZWR1\"",
                "\"google-site-verification=jn_-65L7qcWLZmEo5JD4cyl6_w0YAOOdxzysOqHUtjo\"",
                "\"jamf-site-verification=ZezyIaoN2uwt0pCuh-8Saw\"",
                "\"amazonses:TZOspN3D6KpXYYEvedb9ijMRaZZv9wIk2lVa2XS1zm4=\"",
                "\"anthropic-domain-verification-khkpcr=oMYWp2heAbb447hpRYeTS9F77\"",
                "\"anthropic-domain-verification-khkpcr=0MYWp2heAbb447hpRYeTS9F77\"",
                "\"heroku-domain-verification=5bpsmgqd0irdsecvtkii8e9d0zwp33uszd4byfb6o\"",
                "\"_globalsign-domain-verification=LfgPuNnZOviHJVkLDsAnTjpDsFtY_T0pkBgmNG2dZs\"",
                "\"adobe-idp-site-verification=e9756968-501f-480d-8792-c63fdd9f80b1\"",
                "\"bmRlZHV1dQ==\"",
                "\"brevo-code:f9880e3ab3b7e746b2db0ecf9f209a34\"",
                "\"openai-domain-verification=dv-1yKm9SGYfvIyOeIuWZH9XWie\"",
                "\"d365mktkey=Y0fJCCYFQq9W2xqRIZO0D6DZUHtXPhcbITS81wsagm8x\"",
                "\"atlassian-domain-verification=mcMH5cJpZFK46YS3U01Da6PVucaF3qS2ZMJa8/su7W8Xzl8omW5hB6vWgA9xjGUm\"",
                "\"docusign=4909212b-a9ae-414a-8ac1-14ba8514c57a\"",
                "\"e2ma-verification=mancb\"",
                "\"d365mktkey=W2RPNDEQGAox3gYW5Mr5AurRGPHiWglb63Cpbg43rogx\"",
                "\"e2ma-verification=q8fcb\"",
                "\"docusign=13014d02-9888-4d97-ab61-75927ac9c354\"",
                "\"pardot_219862_*=7348adfdbfbbbc2208e360e007f11cc488ecadad55ac777bb7637bc1b722ecfa\"",
                "\"sendinblue-code:1a6818adbe852c76491242a60b3d2fe0\"",
                "\"google-site-verification=VFb81m0OmJ-cARBgKvmos2DsQWjrDVfR2YHlgeSm6Ug\"",
                "\"google-site-verification=emH8XyxZNPm54EgNuh42J5Kyer3hHpX4JkI_jGz021w\"",
                "\"wpe-verification=godandgoodlife\"",
                "\"asv=e22f8141a541b5d2b0c634b621241be0\"",
                "\"google-site-verification=E0Ai-zLdeN4kaVMLOAc3Hu8YxFfFwgkF-aqT137FID4\"",
                "\"v=spf1 include:_u.nd.edu._spf.smart.ondmarc.com ~all\"",
                "\"cisco-ci-domain-verification=3b0cf87da3d06f5c131277db55b48ff9297a55db1ee0bcfc31a7339fc625fac6\"",
                "\"airtable-verification=1b0cc7a6fea2adca0106d9dc83226b8a\"",
                "\"_bikl4z8rqnwnpe44rum3006dh12popr\"",
                "\"67C7B8425657A9F5AE91CC0A4F339D27\"",
                "\"google-site-verification=JXLaLTpEQJNaOc47L5FCQMVzJswWy6oya8UgaRQWVE0\""
            ],
            "NS": [
                "ns2.nd.edu.",
                "ns1.nd.edu."
            ],
            "SOA": [
                "ns1.nd.edu. dns.nd.edu. 17039 10800 3600 1209600 900"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "34.193.237.201"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:_u.nd.edu._spf.smart.ondmarc.com ~all",
        "dmarc": "v=DMARC1;p=reject;sp=quarantine;pct=100;fo=1;ri=3600;rua=mailto:8e60b3db@inbox.ondmarc.com,mailto:dmarc-list@nd.edu;ruf=mailto:8e60b3db@inbox.ondmarc.com,mailto:dmarc-list@nd.edu;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.nd.edu",
        "dkim": "v=DKIM1; k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkzjDtLCna7hFQUuEdx5V2+gwsv47DcNtbF7Rgp4RjhH7mQL5sj4+02UPjmh3A2BtSkYzlvgdk2mk+FWtKAP1q+YIMSu0eB9W0/TC0JRX7sngXA7OgDpjSaTVV39xSTaNjG22mEnnbiP0Nwmdm0lFnSYBO5k+IjJkO6Mq2MgD/bcMjp/zCL1wSc7+H8qhoZ3OA+yN5MKLAR41g87YSIirM34XlUCedi2Pa61VpvXWJrzD7FaekpfoSsKkVIaJWBtNQpejzt1BTZGQiC0D6iLyfZSHBb6QnZZxCcwS8QLmj0rxdLHsye98uhQbuzHiBYtqk14HNBRV5mfdtuovn5E82wIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "v=BIMI1;l=https://vmc.digicert.com/9c5adaa3-c900-493d-8bf8-2a24a8ae1164.svg;a=https://vmc.digicert.com/9c5adaa3-c900-493d-8bf8-2a24a8ae1164.pem;",
        "mta_sts": "v=STSv1; id=1665778474075",
        "tls_rpt": "v=TLSRPTv1; rua=mailto:8e60b3db@inbox.ondmarc.com;"
    },
    "advanced": {
        "ptr": "ec2-34-193-237-201.compute-1.amazonaws.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "34.193.237.201"
                    ],
                    "time_ms": 64.62
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "34.193.237.201"
                    ],
                    "time_ms": 59.6
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "34.193.237.201"
                    ],
                    "time_ms": 63.9
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "34.193.237.201"
                    ],
                    "time_ms": 59.45
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "34.193.237.201"
                    ],
                    "time_ms": 71.59
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Internet2",
        "subject": "nd.edu",
        "valid_from": "2025-12-17T18:00:00-06:00",
        "valid_to": "2026-12-18T17:59:59-06:00",
        "days_remaining": 131,
        "san": [
            "nd.edu",
            "*.nd.edu"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
    },
    "http": {
        "url": "https://www.nd.edu/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "Apache",
            "date": "Sun, 09 Aug 2026 02:09:48 GMT",
            "content-type": "text/html; charset=UTF-8",
            "content-length": "169",
            "connection": "keep-alive",
            "location": "https://www.nd.edu/",
            "x-xss-protection": "1; mode=block",
            "x-content-type-options": "nosniff",
            "x-frame-options": "SAMEORIGIN",
            "referrer-policy": "strict-origin-when-cross-origin",
            "strict-transport-security": "max-age=31536000; includeSubDomains; preload",
            "x-ua-compatible": "IE=Edge",
            "permissions-policy": "browsing-topics=()",
            "cache-control": "max-age=3600, public"
        },
        "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": "Apache",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.nd.edu/",
        "title": "University of Notre Dame",
        "description": "The University of Notre Dame is a private research university inspired by its Catholic character to be a powerful force for good in the world.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "34.193.237.201": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "alt4.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.8,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4019.2,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4020.8,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.217.62",
        "reverse": "",
        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
        "user_agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
        "is_bot": true,
        "cloudflare": false
    },
    "analysis_time_ms": 89.76
}