{
    "ok": true,
    "domain": "unl.edu",
    "generated_at": "2026-08-08T20:14:22-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 82,
        "label": "Good",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 73,
            "network": 65,
            "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": "4 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": "52 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": 30,
                "lost_points": 0,
                "detail": "PTR: wsecdc2.unl.edu"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "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": [
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                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "4 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": "52 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": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: wsecdc2.unl.edu",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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": {
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                "129.93.168.41",
                "129.93.168.42",
                "129.93.168.40",
                "129.93.168.43"
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            "AAAA": [],
            "CNAME": [],
            "MX": [
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                "10 mxa-00246402.gslb.pphosted.com."
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            "TXT": [
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                "\"PnK5haOQj/A/5RTOlbfOVphM7WWSaXu3cr2+D8C28Vo=\"",
                "\"facebook-domain-verification=azwy7ny6hjnji55ubgn2vl1chydkkx\"",
                "\"apple-domain-verification=TzFPo0RgKGfmtbig\"",
                "\"MS=ms12464472\"",
                "\"MS=ms61243123\"",
                "\"43A00AE84C0EA964B315DFFBECC8D26E\"",
                "\"google-site-verification=zTHeeWJgyLp76HnvlTbd6xltqXQpKChoufH19VaDNWc\"",
                "\"v=DKIM1; h=sha256; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2jyrSpnKPvdb/dht+1FfAwxyUZ2mHucM5UiTvdglUdHwvH8yxOFCUXKw5notlSxQehoFrRx2a68dnJxn0PYnmhBhiObigBtK3x+E6kJs2HG9l4XHZd8j/Chg86kTy2HcHhkNITn1psRCf2Z+k9MSIrUAWEMPwYgOG1fLfKsQVxNJfI\" \"+99DkG6SPSW/5kJ0NjIqE2ZGaUCmvzQMbAypCykg3r/FW0FOJwT/I8Lf40+o0HhgLO3uzpxW5cKquHHFVrST2nXm/gcGF566fZ7iEGD+u2lpN4Rx607n6i67FuaslanW9hz8FPfiYOaVgwR3lns4WLGRMMKrb3+hkwu5M+iQIDAQAB\"",
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                "\"docusign=349e6f39-8de3-47c8-b69b-9e353d495cbc\"",
                "\"adobe-idp-site-verification=d557a4d1-1f2d-407e-85f0-eedbbe5dd662\"",
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                "\"e2ma-verification=n9c\"",
                "\"airtable-verification=ae79136089181a5402a7952973228f89\"",
                "\"Dynatrace-site-verification=e5bcc694-cf1e-4c7a-8783-1c2ffaa4cfbf__v6j3bae1ad59ef3fc3pu05fa7n\"",
                "\"docusign=a86f4753-9624-4588-8dd1-269aefc00208\"",
                "\"ZOOM_verify_CTC0oZ0bTCiDnu6vpTvEyA\"",
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                "ns-110.awsdns-13.com.",
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                "ns-1812.awsdns-34.co.uk."
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            "SOA": [
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            ],
            "CAA": [
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                "0 issuewild \"amazon.com\"",
                "0 issuewild \"emsign.com\"",
                "0 issue \"digicert.com\"",
                "0 iodef \"mailto:security@nebraska.edu\"",
                "0 issue \"amazon.com\"",
                "0 issue \"emsign.com\"",
                "0 issue \"pki.goog\"",
                "0 issuewild \"sectigo.com\"",
                "0 issue \"sectigo.com\""
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            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "129.93.168.41",
            "129.93.168.42",
            "129.93.168.40",
            "129.93.168.43"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:spf1.unl.edu include:spf2.unl.edu include:spf3.unl.edu include:spf.protection.outlook.com include:amazonses.com include:servers.mcsv.net include:spf.constantcontact.com include:e2ma.net include:spf.us.odmad.quest-on-demand.com -all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:jfmyq2sa@ag.us.dmarcian.com;",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.unl.edu",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAticIqmkHFpb7cPWlvwL82zhAANfRx3nwBLz++n8q2nzi01HOVU4y+1V6MidJxw9wFG13xMmvDON8lbwj6CdzdP/REhY//wfrwLB9MVK5hmml6tnqOzPLOp4aXAECRbmIgSjKO5znwBluODuh8123UUHymdnIvVgxd572MYQdmFrfYGO+THWe0AOmTfXssC9qAjvXHyvfki2fRwdwCVY7QtaDnHcnj0PNnpO5P3YNyaw16E8PPTCycwI6C1EBo7PLOE8dFnVQCfbTOqvoTsBXGpDSHzyHAhoGUp7I+LgRC4NMW8nNaoo9ra27/QR1S+NcgqikTtKQ1lguzvxFuTCUcQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 9,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "wsecdc2.unl.edu",
        "propagation": {
            "consistent": true,
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                    "provider": "Google",
                    "server": "8.8.8.8",
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                        "129.93.168.41",
                        "129.93.168.42",
                        "129.93.168.43"
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                    "time_ms": 49.62
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                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                    "time_ms": 36.07
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                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
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                    "time_ms": 51.48
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                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
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    "ssl": {
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        "issuer": "Internet2",
        "subject": "unl.edu",
        "valid_from": "2026-03-31T19:00:00-05:00",
        "valid_to": "2026-09-30T18:59:59-05:00",
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            "eastdc2.unl.edu",
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            "ldap.unl.edu",
            "unldc50.unl.edu",
            "unldc51.unl.edu",
            "wsecdc.unl.edu",
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            "wsecdc3.unl.edu"
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        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
    },
    "http": {
        "url": "https://www.unl.edu/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
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            "content-type": "text/html; charset=UTF-8",
            "location": "https://www.unl.edu/",
            "server": "Microsoft-IIS/10.0",
            "date": "Sun, 09 Aug 2026 01:14:21 GMT",
            "cache-control": "max-age=86400, public",
            "content-language": "en",
            "x-content-type-options": "nosniff",
            "x-frame-options": "SAMEORIGIN",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "x-grace": "10",
            "x-ttl": "604800",
            "x-adv-varnish": "Cache-enabled",
            "x-drupal-cache": "HIT",
            "last-modified": "Fri, 07 Aug 2026 21:01:13 GMT",
            "via": "1.1 varnish (Varnish/6.6)",
            "x-cacheable": "Yes",
            "x-forwarded-proto": "https",
            "etag": "W/\"1786136473\"",
            "x-varnish": "310006980 303941648",
            "age": "14133",
            "vary": "X-Bin,X-Forwarded-Proto, Accept-Encoding, Cookie",
            "accept-ranges": "bytes"
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": false,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Microsoft-IIS/10.0",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.unl.edu/",
        "title": "University of Nebraska–Lincoln",
        "description": "",
        "success": true,
        "error": "",
        "status": 200
    },
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            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
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            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
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            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
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            "country": "",
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            "asn": "",
            "organization": "",
            "isp": ""
        }
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                "open": false,
                "time_ms": 23.5,
                "banner": "",
                "error": "Connection refused"
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                "port": 465,
                "open": false,
                "time_ms": 71.7,
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                "open": false,
                "time_ms": 22.4,
                "banner": "",
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        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
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}