{
    "ok": true,
    "domain": "illinois.edu",
    "generated_at": "2026-08-08T19:05:06-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 82,
        "label": "Good",
        "categories": {
            "dns": 80,
            "mail": 90,
            "security": 73,
            "network": 55,
            "availability": 100
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "1 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "1 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "3 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",
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                "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": "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": "120 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": 8,
                "lost_points": 27,
                "detail": "2 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
            },
            {
                "category": "network",
                "title": "IPv6 connectivity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "detail": "AAAA availability."
            },
            {
                "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/1.1 200 OK"
            },
            {
                "category": "availability",
                "title": "HTTPS final URL",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
            }
        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "1 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "3 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": "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": "120 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": "2 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 8,
                "lost_points": 27
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "level": "warning",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15
            },
            {
                "level": "ok",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DNS resolution",
                "detail": "At least one address family must resolve.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTP response",
                "detail": "HTTP/1.1 200 OK",
                "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": [
                "64.236.243.124"
            ],
            "AAAA": [
                "2a01:111:f100:1002::4134:dc6d"
            ],
            "CNAME": [],
            "MX": [
                "10 incoming-relays.illinois.edu."
            ],
            "TXT": [
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                "\"e2ma-verification=wnucb\"",
                "\"adobe-idp-site-verification=871c897f-f9d7-47bc-804f-f437f4717c94\"",
                "\"google-site-verification=vlBFbVILoXwbGHs74_9u2mBbWZ-6kLREGuaphWElMmQ\"",
                "\"airtable-verification=28fb993b5e5a434a871a156d33869136\"",
                "\"HmRccqbkceLf+95IJQ7QAel3EekYl6RlKAvVCi397hXwBjJj225B5ty6kAX3jXEFxJps5CaXUYcox6B7368xFw==\"",
                "\"work-accounts-domain-verification=Jbmb07ByrJY712UexVfsQXiwBOH2Rw\"",
                "\"atlassian-domain-verification=ebs4HtRaugGl/IadlP43zjrOZfEynVnZ0pCpm3u0A6/n97m76oQERw7N81Druzoh\"",
                "\"openai-domain-verification=dv-nYRIJFGdMjmQyuDMnFbUKqt9\"",
                "\"knowbe4-site-verification=b0e704ec1aa759a7f070aebdf6a09436\"",
                "\"d365mktkey=QjHZW2tV2djugxh4a0dMR8FPzKXgneQaIFwhtVUM1iox\"",
                "\"bw=FhyVncFk3KO1JtAsPgEMf3OzQMjGGH/njOxJ3MH009F/\"",
                "\"airtable-verification=cc762a9bc02471eb7162872f91d30f1c\"",
                "\"d365mktkey=QFJVdlJ4jHu40ev0vmpYiZz65AyJ0bj8iW8bt8jKgHsx\"",
                "\"MS=ms64069560\"",
                "\"spf2.0/pra\"",
                "\"adobe-idp-site-verification={150d748e-9d9e-4454-b347-c422a8e94045}\"",
                "\"jamf-site-verification=MkmfrXvvuifJ54RMXhygKA\"",
                "\"google-site-verification=IshbA56YD-JnQuVNN1qlCMR3a6JBsKTTXo4DVQdAkHo\"",
                "\"miro-verification=6f86b16dbd160af6f01c0846dc4d1144693d881a\"",
                "\"google-site-verification=zfHYNU7QVMwwZcdfGWY5TPXdPle-UtcpMGbD27k0lLY\"",
                "\"docusign=12076312-3a39-4496-ba79-e87bee5f3df6\"",
                "\"pexip-ms-tenant-domain-verification=bff852d2-fb8f-4632-9c85-bc2c071c502b\""
            ],
            "NS": [
                "dns3.illinois.edu.",
                "dns2.illinois.edu.",
                "dns1.illinois.edu."
            ],
            "SOA": [
                "ipam1.techservices.illinois.edu. dns-admin.illinois.edu. 266663521 3600 900 1209600 60"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "64.236.243.124"
        ],
        "ipv6": [
            "2a01:111:f100:1002::4134:dc6d"
        ]
    },
    "mail": {
        "spf": "v=spf1 redirect=_spf.illinois.edu",
        "dmarc": "v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com",
        "dkim_selector": "k1",
        "dkim_host": "k1._domainkey.illinois.edu",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLpawK0uKFRQ4su9QF0e5w3q+W5s1xDoooetsedbAdjcGLFl4dmCVjO9j/xdLjV6FayuwObwJC0rfqKthzHKBtkFsGaQzNmRLgSFYjf/bmI2RSk2kXY1Z7gz05QjyZ6QKsac6PLZUVpCWRj+V+lUwIMNunWFGzambUH67F6/RZzwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
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                    ],
                    "time_ms": 34.31
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                    ],
                    "time_ms": 18.87
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
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                    "time_ms": 63.8
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
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                    ],
                    "time_ms": 27.98
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
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                    ],
                    "time_ms": 56.25
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Internet2",
        "subject": "illinois.edu",
        "valid_from": "2025-11-05T18:00:00-06:00",
        "valid_to": "2026-12-07T17:59:59-06:00",
        "days_remaining": 120,
        "san": [
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            "assets.illinois.edu",
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            "www.illinois.edu",
            "www.uiuc.edu"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://illinois.edu/",
        "status": "HTTP/1.1 200 OK",
        "http_version": "2",
        "headers": {
            "date": "Sun, 09 Aug 2026 00:05:05 GMT",
            "content-type": "text/html",
            "content-length": "95116",
            "connection": "keep-alive",
            "server": "nginx/1.22.1",
            "accept-ranges": "bytes",
            "cache-control": "no-cache, private",
            "etag": "\"6a77c1a5-1738c\"",
            "last-modified": "Sat, 08 Aug 2026 23:54:13 GMT",
            "pragma": "no-cache",
            "strict-transport-security": "max-age=300",
            "x-ms-middleware-request-id": "ae2f1a79-ad20-4d80-87fa-a1b4e8f87346",
            "referrer-policy": "no-referrer-when-downgrade"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "nginx/1.22.1",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://illinois.edu/",
        "title": "Illinois",
        "description": "Discover the University of Illinois Urbana-Champaign—where innovation, community, and discovery drive world-class learning, research, and public impact.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
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            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "incoming-relays.illinois.edu",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 11.6,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 80.9,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 69.8,
                "banner": "",
                "error": "Connection refused"
            }
        ]
    },
    "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": 78.24
}