{
    "ok": true,
    "domain": "umd.edu",
    "generated_at": "2026-08-08T18:51:47-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 77,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 77,
            "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": "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",
                "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": "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": "82 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": 12,
                "lost_points": 23,
                "detail": "3 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": "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": "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": "82 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": "3 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 12,
                "lost_points": 23
            },
            {
                "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": [
                "94.247.142.1"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "20 mx1.umd.iphmx.com.",
                "20 mx2.umd.iphmx.com."
            ],
            "TXT": [
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                "\"e2ma-verification=04bgb\"",
                "\"e2ma-verification=6yzbb\"",
                "\"brevo-code:d3c2d63793f4dd20304af345c67a8be4\"",
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                "\"e2ma-verification=x1ffb\"",
                "\"e2ma-verification=yxpfb\"",
                "\"4D3F845C731B0955B3B0563F393D12E2\"",
                "\"e2ma-verification=l81ab\"",
                "\"FADAF9FB5B9EE2272ED1638D143C1745\"",
                "\"00D70000000IZPh=1TBUY0000000001\"",
                "\"atlassian-sending-domain-verification=ec03eaf2-7ed2-4d03-8333-820cad9e8a04\"",
                "\"google-site-verification=As2VzGueK-l938gHU7jCCGo0sAWM0eM7BulPwDSC0y0\"",
                "\"e2ma-verification=k5reb\"",
                "\"e2ma-verification=u9xfb\"",
                "\"google-site-verification=FrrKt3ClQUFT5i_gwQAn-uQSoRI5Y_IpFExx1CmLOII\"",
                "\"e2ma-verification=nabgb\"",
                "\"adobe-idp-site-verification=0afdc0ecfe602686ab99e86db79056a241a666affe647a893924b794fbef5191\"",
                "\"e2ma-verification=kwmbb\"",
                "\"logmein-verification-code=t7A67XAYgXcWS1d2nVXr7Dl6K\"",
                "\"e2ma-verification=0cqab\"",
                "\"facebook-domain-verification=lo5wiknocnhv9rxmhcau0qu15gcjfi\"",
                "\"atlassian-sending-domain-verification=50a6f41d-d743-40ab-ba5e-e6d14af52f1b\"",
                "\"e2ma-verification=pgteb\"",
                "\"adobe-idp-site-verification=40a1e9b4-50fb-4c92-9399-1e76c80cdf87\"",
                "\"e2ma-verification=oabgb\"",
                "\"atlassian-domain-verification=jsp21SwhRd0VlqqwwG604raLVFkXj122oxaP875ixca1SyYNs2r4V0pW3PGacjvs\"",
                "\"5a5def2dc4b8766dcbc4d2da3349c68a1f60d470238c9ad2c43757470df5b14e\"",
                "\"e2ma-verification=ydveb\"",
                "\"e2ma-verification=l5reb\"",
                "\"e2ma-verification=btfcb\"",
                "\"e2ma-verification=tq1cb\"",
                "\"fastly-domain-delegation-m4fSIJZih88QgWH5trzI-424811-08-05-2021\"",
                "\"e2ma-verification=ifycb\"",
                "\"e2ma-verification=oc1cb\"",
                "\"atlassian-domain-verification=hCFSb4vDaH3FZG2/DNZjaj2dLt7Yo8BAte5sP586KyW4DvPynitQEt8x7c0RvMhF\"",
                "\"perplexity-ai-domain-verification-hnmv8k=AYYgnLHsTOBvmlPYklcBZ2fiR\"",
                "\"e2ma-verification=ycqab\"",
                "\"ZOOM_verify_6gxpRSmmeH1pxxUo5Higlu\"",
                "\"anthropic-domain-verification-2kekyx=Izdedg0KzNFDVDh88YGHCIyHI\"",
                "\"e2ma-verification=m5reb\"",
                "\"\" \"e2ma-verification=6yzbb\\\"\\\"\"",
                "\"e2ma-verification=99pab\"",
                "\"e2ma-verification=xqlbb\"",
                "\"cursor-domain-verification-8sk7wz=1jFulrG3zid0VtQWYhZk8wrU4\"",
                "\"jamf-site-verification=q_evM9Go1nzKC2ruEDnURA\"",
                "\"e2ma-verification=f7pab\"",
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                "\"onetrust-domain-verification=66ba66b7aa304397ba0a1d4f6c96bc5f\"",
                "\"e2ma-verification=xcqab\"",
                "\"onetrust-domain-verification=a9c54d2106ba4d8f96921e94348534c7\"",
                "\"apple-domain-verification=SfiuCrELsUoPhmWU\"",
                "\"e2ma-verification=my1ab\"",
                "\"Dynatrace-site-verification=3b9984ff-fa43-4c6c-a412-a04c9311d963__39f5p55j2q7g71po5ii8mk4374\"",
                "\"google-site-verification=e9un135MdekFdfk_VicDDfCP9wi1jb8Wmkmk1DF6OfE\"",
                "\"e2ma-verification=eeefb\"",
                "\"v=spf1 exists:%{ir}.%{v}._spf.umd_spf.aws.umd.edu include:_spf.salesforce.com ~exists:%{ir}.%{v}.x._spf.umd_spf.aws.umd.edu ip4:68.232.142.226 ip4:68.232.131.46 ip4:216.71.149.111 ip4:216.71.149.190 ip4:68.232.143.84 ip4:68.232.137.73\" \" ip4:216.71.140.161 ip4:216.71.140.163 ip4:128.8.162.133 ip4:128.8.15.34 ip4:128.8.13.14 ip4:128.8.162.94 ip4:209.164.1.194 ip4:54.144.73.133 ip4:54.172.225.123 ip4:168.245.25.116 include:_spf.umd.edu include:_spf.google.com a:c.spf.service-now.com ~all\"",
                "\"e2ma-verification=rxycb\"",
                "\"e2ma-verification=wcqab\"",
                "\"e2ma-verification=vlseb\"",
                "\"e2ma-verification=n5reb\"",
                "\"google-site-verification=SVI8jDKaHI6P96SE07flUYUA2OCriIIOWiX-3a0RnEQ\"",
                "\"dell-technologies-domain-verification=umd.edu_6b285755-75ed-4037-bb55-7910d997b8ba_1734885372\"",
                "\"google-site-verification=2ZymRq4dY9_nbGLh9HhTm3Z5oBDEKi2yHyj9buDZmqc\"",
                "\"e2ma-verification=sdzcb\"",
                "\"SFMC-ChwpRSjm7UAXQ3aO2a4TE_nHOhXyfCVMMj25jtqC\"",
                "\"brevo-code:d71d84f4848e813d4acac38670ad3409\"",
                "\"e2ma-verification=ecqab\"",
                "\"e2ma-verification=sujfb\"",
                "\"google-site-verification=5uAJhrJvSIc6r3VJvDq27NdcbVU729HELEEZ0NTPG64\"",
                "\"e2ma-verification=e0gfb\"",
                "\"e2ma-verification=s6ybb\"",
                "\"ZOOM_verify_ew6uSDNaRmmn1nu_Ts6o3A\""
            ],
            "NS": [
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                "ns2.umd.edu.",
                "ns.ums.edu."
            ],
            "SOA": [
                "blox.net.umd.edu. hostmaster.umd.edu. 2925442623 14400 3600 2419200 300"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "94.247.142.1"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 exists:%{ir}.%{v}._spf.umd_spf.aws.umd.edu include:_spf.salesforce.com ~exists:%{ir}.%{v}.x._spf.umd_spf.aws.umd.edu ip4:68.232.142.226 ip4:68.232.131.46 ip4:216.71.149.111 ip4:216.71.149.190 ip4:68.232.143.84 ip4:68.232.137.73 ip4:216.71.140.161 ip4:216.71.140.163 ip4:128.8.162.133 ip4:128.8.15.34 ip4:128.8.13.14 ip4:128.8.162.94 ip4:209.164.1.194 ip4:54.144.73.133 ip4:54.172.225.123 ip4:168.245.25.116 include:_spf.umd.edu include:_spf.google.com a:c.spf.service-now.com ~all",
        "dmarc": "v=DMARC1; p=none; pct=100; rua=mailto:qir62vov@ag.us.dmarcian.com,mailto:dmarc@umd.edu",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.umd.edu",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuc26OdDu/pFkYHUHB5MhtEDSSoR++vbKUCPqZz7G17pPwHSLrIPiXjbuprqufZ60jOqft2pLJkeyz2fLxqc8Yko/Pam7Jjbd/Xrpre0yq6KbUcJOJeL3gVt7s3v9+0dnVkidVOsMWWeSVxrswG3OEICyHqBx2/InVDFvHC86ffTcjbGlaJPGv44hCcGtN5mHCD24lFpb8Jgj6CIstOpwdMwV9eUGtnYte0gucd72hqjW/5Wnn5z9CPtMf04rzUtFURquj+W4KUBHXsesOl0m76BJgsi7y9jAhTkQzqo5c9FrgYHAgg6z5RWA/0QpYDJCRXiYiwmksLcE2TscrLf+nQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 6,
            "final": "~all",
            "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": [
                        "94.247.142.1"
                    ],
                    "time_ms": 78.28
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "94.247.142.1"
                    ],
                    "time_ms": 64.93
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "94.247.142.1"
                    ],
                    "time_ms": 33.44
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "94.247.142.1"
                    ],
                    "time_ms": 60.07
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "94.247.142.1"
                    ],
                    "time_ms": 52.4
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "umd.edu",
        "valid_from": "2026-08-01T05:23:11-05:00",
        "valid_to": "2026-10-30T05:23:10-05:00",
        "days_remaining": 82,
        "san": [
            "umd.edu"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://umd.edu/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "date": "Sat, 08 Aug 2026 23:51:42 GMT",
            "content-type": "text/html; charset=UTF-8",
            "age": "168",
            "link": "<https://umd.edu/>; rel='canonical'",
            "referrer-policy": "no-referrer-when-downgrade",
            "strict-transport-security": "max-age=2592000",
            "via": "1.1 umd-main-production-86f749cddd-xxsx8:8080",
            "x-cache": "HIT from umd-main-production-86f749cddd-xxsx8:8080",
            "x-content-type-options": "nosniff",
            "x-robots-tag": "all",
            "x-xss-protection": "1; mode=block",
            "cf-cache-status": "DYNAMIC",
            "server": "cloudflare",
            "cf-ray": "a2826e3c1f2b54d0-STL",
            "alt-svc": "h3=\":443\"; ma=86400"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": true,
            "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": "cloudflare",
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