{
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    "domain": "uchicago.edu",
    "generated_at": "2026-08-08T18:17:42-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 80,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 90,
            "security": 65,
            "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": "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": 15,
                "lost_points": 0,
                "detail": "DS and DNSKEY detected."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "173 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",
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                "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: ec2-3-215-148-80.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": "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": "ok",
                "title": "DNSSEC chain",
                "detail": "DS and DNSKEY detected.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "2 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "173 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: ec2-3-215-148-80.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": {
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                "3.215.148.80"
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            "AAAA": [],
            "CNAME": [],
            "MX": [
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                "\"apple-domain-verification=V4q3pWzlXns8FwYs\"",
                "\"61669CF51912E5C87DAEB43DA0CAB76EE0228673D4538FADF36937E5D70C02C8\"",
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                "\"cloudflare-verify.cdcshoppingcart.uchicago.edu\" \"=\" \"923282984-1139220843\"",
                "\"1password-site-verification=TN6TZ2XIGVGOBDICLF4CQQD7OY\"",
                "\"openai-domain-verification=dv-b09uZIIr3mLI4GDLDdEe2zjM\"",
                "\"649045D00B4A2C1C77FC29A47A552161\"",
                "\"fastly-domain-delegation-msyb9pw3vbuhw6pjn-03-03-2025\"",
                "\"sitecore-domain-verification=57b284b71de449bd9625481f78d98efc\"",
                "\"8377E9C45E97105F5236271D24BBA204\"",
                "\"_fcls4rwh2lva5t5risnf3grvrl6mk1d\"",
                "\"facebook-domain-verification=tboa878nofaaanhghtjo1kwze0cm1r\"",
                "\"e2ma-verification=vv3gb\"",
                "\"google-site-verification=X4HjY5FSukG984V8tDYDEYgRE3Y0z_Ece6_y3i7yS_k\"",
                "\"asv=68279e276e8c891f5eb62a89f5cc12f7\"",
                "\"_rqc5ogctmoyosmv56nvzvy2qu61lw21\"",
                "\"v=spf1 ip4:128.135.176.0/23 ip4:205.208.106.0/24 ip4:167.89.0.0/17 ip4:198.37.144.0/20 ip4:67.231.145.199 ip4:148.163.143.251 ip4:40.79.65.134 include:_spf.google.com include:spf.protection.outlook.com include:s1.uchicago.edu ?all\"",
                "\"4gh9ifdb9rvcghraipjl64n1rs\"",
                "\"atlassian-domain-verification=wQZJpWSihT7D6jx6GunzDqznM0HlcXWBVYh5LBkLQmBbdMhgZ1uoz6lv1IN1WJr4\"",
                "\"formstack-domain-verification=8461eefcc5258c4487c21707dc741d8e\"",
                "\"d365mktkey=tkgrLNlMjlYxAXQ1DTHiFIUYvBD3VaZXrx2ubqRxZrIx\"",
                "\"04FED5FBF242E17CA09EADB1C0A7DC69\"",
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                "\"globalsign-domain-verification=0a-6rIT-p01swJcsjUfmuJtWewYCUhlZtpG8KXHN3-\"",
                "\"google-site-verification=76OrfKn9k44dGwt-aOLTY8yK0lCWR6PYAXS99nFqBe0\"",
                "\"EBF82CE5FFD51FCB400897A1C1F3981C\"",
                "\"jamf-site-verification=T27LjycoYtvOD0DfaMDDjg\"",
                "\"56tc65ukam9agll0hj5jm23lv1\"",
                "\"box-domain-verification=a05d1b0801411db67f507b3e1b437cd16794308d437116cfcd955e044feed23e\"",
                "\"canva-site-verification=vpi_9f6vKkap8fbj-cLNIA\"",
                "\"adobe-idp-site-verification=3de1049f726cb98ba6f91a88d5a199a7a0144ccfbba4fb24b135374e01306d99\"",
                "\"adobe-idp-site-verification=740c17ecc9161a756a2009c89a46f06d8ed8fcbcf5cbcc5929b161e89d64767b\"",
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                "\"smartsheet-site-validation=2DPkXbZLP1hLI3_U9DT7vGT3Ie5DWsEI\""
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            "NS": [
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                "ucns4.uchicago.edu.",
                "ucns3.uchicago.edu.",
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            ],
            "SOA": [
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            ],
            "CAA": [],
            "DS": [
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                "29438 13 2 6D8CDAC45248487BEAB6E62731FA42067467F777F3AE59760B5A9655 1AB9D73E"
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            "DNSKEY": [
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                "MX 13 2 300 20260812004315 20260808004034 28097 uchicago.edu. 23JyWmDWsvWhdKVoLKKONu4HxB2TpxlYqZm1BMt9ApED+u3UpbbteRv4 UgdEfv7nUNfvHirRO7mD3BpdLEPDRA==",
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                "NSEC3PARAM 13 2 900 20260812044052 20260808035649 28097 uchicago.edu. qDfuxdXzuCBZFt7bhh42BQs6xxT2NExgSjNzZVglW89SWW2552DgCdhd UFF2aD3TxTvmZOJ05mqVZN1hQXEtog=="
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
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        ],
        "ipv6": []
    },
    "mail": {
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        "dmarc": "v=DMARC1; p=none; fo=1; rua=mailto:w7oy1be3@ag.us.dmarcian.com,mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.uchicago.edu",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC096yLPiRZ0xvHuSZNc/fMEtQZozFODA5ydRfitfeOi9EF4kDikQIKFsKgvC8XWtK6Cqr5s25cE6UgxOKoVEw4/fXrYYexiCh2ILhMcT8hOJf9EFNfPwL7JOB4zZD+wzuvLRuSjbBByuWE0+P+wNwCZubnxLF6jNAVemFzxD3dpQIDAQAB; n=1024,1458625072,1474522672",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "?all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ec2-3-215-148-80.compute-1.amazonaws.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "3.215.148.80"
                    ],
                    "time_ms": 43.79
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "3.215.148.80"
                    ],
                    "time_ms": 32.44
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "3.215.148.80"
                    ],
                    "time_ms": 42.61
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "3.215.148.80"
                    ],
                    "time_ms": 43.47
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "3.215.148.80"
                    ],
                    "time_ms": 82.61
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "InCommon, LLC",
        "subject": "uchicago.edu",
        "valid_from": "2026-07-13T19:00:00-05:00",
        "valid_to": "2027-01-28T17:59:59-06:00",
        "days_remaining": 173,
        "san": [
            "uchicago.edu"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
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