{
    "ok": true,
    "domain": "wustl.edu",
    "generated_at": "2026-08-08T20:01:36-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 76,
        "label": "Good",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 69,
            "network": 20,
            "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": "5 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": "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": 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": "86 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": 4,
                "lost_points": 31,
                "detail": "1 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": 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": "5 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": "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": "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": "86 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": "1 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 4,
                "lost_points": 31
            },
            {
                "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": "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": [
                "23.185.0.3"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 smtp1.mx.wustl.edu.",
                "10 smtp3.mx.wustl.edu.",
                "100 ms43096679.msv1.invalid.wustl.edu.",
                "10 smtp4.mx.wustl.edu.",
                "10 smtp2.mx.wustl.edu."
            ],
            "TXT": [
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                "\"d365mktkey=7kdpn9nbfup2mhfxhlmmiqdxx\"",
                "\"af23hqem7r04ma4v14vgaihp42\"",
                "\"atlassian-domain-verification=OjbbFWJspitkuY5UWMr5n4JIpGduH5AWTFsmCjdBS9QcZPi/G/I3bQ1EXZZnCRbX\"",
                "\"d365mktkey=14ctzuu12dg60ta62u04ddeuj\"",
                "\"DRXV5DYS8LIBHYFHQX71LXN02CM3U1I13WSDI82QU\"",
                "\"google-site-verification=xCK6ole63K9XT94xG9frBzEK-MHggzGOQJyzZ3NngTw\"",
                "\"amazonses:yj+KjwcrLMmm/dD1esz1OfBmWPwcM+LHD0ZJGb0wMf8=\"",
                "\"google-site-verification=avl1q9k6NW9ftWu-HBoYBg910KjxNWZntqy4Tc6Nn2c\"",
                "\"docusign=1b1a1c47-13e8-4a89-b0cc-ed1284d64a81\"",
                "\"brevo-code:47910dad859b8cc59016e254bfc2691e\"",
                "\"openai-domain-verification=dv-0ZXAl1wPxHfZQzwz86vpRh0w\"",
                "\"anthropic-domain-verification-0qkk6p=jbzgYnLtp3OsUQ0cBYWxmPaaZ\"",
                "\"ca3-af9ba2cddfb84114be9df0d86bb3726e\"",
                "\"d365mktkey=2g70u9s8aufmjqsdjxl37doc\"",
                "\"google-site-verification=CmuLI-dvXn4RbwGrJw_y48JU0VNJvC4JkVm40hMZcGk\"",
                "\"amazonses:0pWmZ3cKbqf2da7DCB2YeER7vVSvkINUjtqkIm9lYyk=\"",
                "\"OLD\" \"Temporary\" \"v=spf1 include:spf.protection.outlook.com exists:%{i}._spf.mta.salesforce.com ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ip4:72.167.168.0/24 ip4:72.167.172.0/24 ip4:52.89.65.132\" \" ip4:54.214.222.76 ip4:54.184.82.65 ip4:52.26.164.15 include:spf1.wustl.edu ~all\"",
                "\"nintex.620bdcc911302c006955fe4f\"",
                "\"status-page-domain-verification=cn9gsmct0vf9\"",
                "\"psgk4qeplqpgp492he3nkfdapg\"",
                "\"amazonses:5P6+gURez5gGPEvpi0/wfckAiqkC1YQQ8apk8eimtHU=\"",
                "\"google-site-verification=TPMv0_isU2jNt_jZ5lRSEhM6TlIftli_iiy40Kp-AwI\"",
                "\"brevo-code:3110c2b54ef2acb6b31aaf408aeefc9e\"",
                "\"docusign=d3f36653-1429-4415-8fd6-3cf6b2bb2d7c\"",
                "\"openai-domain-verification=dv-XbW9dxs8Bp6zPyV8onDE3SzJ\"",
                "\"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~all\"",
                "\"D8CC59A7EE6BCD2C8948C3F4A44A43CD\"",
                "\"onetrust-domain-verification=fa333d481f5642dc9f675e5986b22c4c\"",
                "\"brevo-code:0ee56f3223e39c9a2adc900ffc50f920\"",
                "\"34155841A2508BECD5C798257267FBB80D13C966AA514413798D571EA23CDD21\"",
                "\"google-site-verification=Mq4I7BGfm3L6R7e2IiBwWPzUgyf_ZSuv1pCStANKR58\"",
                "\"google-site-verification=5uUcdG0dg8qqYOAbQy9xGiPqtRcGK4yMdHa6wtVYl9M\""
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            "NS": [
                "ns00.ip.wustl.edu.",
                "ns04.ip.wustl.edu.",
                "ns02.ip.wustl.edu.",
                "ns03.ip.wustl.edu.",
                "ns01.ip.wustl.edu."
            ],
            "SOA": [
                "ns00.ip.wustl.edu. noc.wustl.edu. 2021192109 10800 3600 2419200 900"
            ],
            "CAA": [
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                "0 issue \"sectigo.com\"",
                "0 issue \"amazon.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"amazon.com\"",
                "0 issue \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issue \"digicert.com\"",
                "0 issue \"amazontrust.com\"",
                "0 issuewild \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issuewild \"emsign.com\"",
                "0 issue \"awstrust.com\"",
                "0 issuewild \"letsencrypt.org\"",
                "0 issuewild \"awstrust.com\"",
                "0 issuewild \"sectigo.com\"",
                "0 issuewild \"amazonaws.com\"",
                "0 issuewild \"digicert.com\"",
                "0 issue \"amazonaws.com\"",
                "0 issuewild \"amazontrust.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "23.185.0.3"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~all",
        "dmarc": "v=DMARC1;p=quarantine;pct=100;fo=1;rua=mailto:dmarcreports@email.wustl.edu,mailto:dmarc_agg@vali.email;ruf=mailto:dmarcreports@email.wustl.edu;",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.wustl.edu",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAokz7IxOtV2kEH979h8Tw72BYbMkhBVxHkOHAP4y2an7wCqhgVM1cJ+8z/0X5g2rX9N0lQVrYBA4yKfUOD2PUnPUMdJW9kHesmFiRZX3bL8fqz08/EG1C25XXNjCsZ34mqMhIxKb5Ui6bADzXYgtozJA1IcFE/I/2mGsSf90F0Yr/V367R2vVQEQqvDj/6Ixk6NkG7b41lur654fzrISonoY2e3YL8zk0T4Tin1Czy2f+GnSmNRZ2KD+aFH3k2UgXQPpV2n2ZlkZ59+o+knFmYnwsY8DzgIHRAXB5EjA6UDKillXEvhjvKumFNqKHzTLe5Vt0NdS6c7+jmyQ9eZL/MQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "23.185.0.3"
                    ],
                    "time_ms": 64.47
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                    ],
                    "time_ms": 33.34
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "23.185.0.3"
                    ],
                    "time_ms": 40.1
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "23.185.0.3"
                    ],
                    "time_ms": 31.08
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
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                    ],
                    "time_ms": 116.89
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "washu.edu",
        "valid_from": "2026-08-05T12:43:56-05:00",
        "valid_to": "2026-11-03T11:43:55-06:00",
        "days_remaining": 86,
        "san": [
            "washu.edu",
            "wustl.edu",
            "www.washu.edu",
            "www.wustl.edu"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://washu.edu/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "retry-after": "0",
            "server": "nginx",
            "location": "https://washu.edu/",
            "x-pantheon-redirect": "primary-domain-policy-doc",
            "date": "Sun, 09 Aug 2026 01:01:28 GMT",
            "x-served-by": "cache-chi-klot8100079-CHI, cache-stl760029-STL",
            "x-cache": "HIT, MISS",
            "x-cache-hits": "3341, 0",
            "x-timer": "S1786237288.262636,VS0,VE11",
            "age": "82887",
            "accept-ranges": "bytes",
            "via": "1.1 varnish, 1.1 varnish",
            "content-length": "155938",
            "cache-control": "public, max-age=604800",
            "content-type": "text/html; charset=UTF-8",
            "link": "<https://washu.edu/>; rel=shortlink",
            "strict-transport-security": "max-age=300",
            "x-pantheon-styx-hostname": "styx-us-a-7ffbcf568d-phcdn",
            "x-styx-req-id": "dd11c62f-92cc-11f1-aa8c-2a378cc7a5eb",
            "vary": "Accept-Encoding, Cookie, Cookie"
        },
        "security_checks": {
            "strict-transport-security": true,
            "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": "nginx",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://washu.edu/",
        "title": "Home | WashU",
        "description": "At WashU, we’re connecting learners, thinkers, leaders and doers who inspire each other to ask big questions and find real solutions — together.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
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            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "smtp1.mx.wustl.edu",
        "ports": [
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                "open": false,
                "time_ms": 1,
                "banner": "",
                "error": "Connection refused"
            },
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                "time_ms": 4070.7,
                "banner": "",
                "error": "Connection timed out"
            },
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                "time_ms": 4005.2,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
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        "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": 87.63
}