{
    "ok": true,
    "domain": "cmu.edu",
    "generated_at": "2026-08-08T18:17:00-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 83,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 90,
            "security": 77,
            "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": "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": 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": "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": "163 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": 30,
                "lost_points": 0,
                "detail": "PTR: CMU-VIP.ANDREW.CMU.EDU"
            },
            {
                "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/1.1 200 OK"
            },
            {
                "category": "availability",
                "title": "HTTPS final URL",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
            }
        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "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": "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": "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": "163 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": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: CMU-VIP.ANDREW.CMU.EDU",
                "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/1.1 200 OK",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
    "dns": {
        "records": {
            "A": [
                "128.2.42.10"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
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                "1 ASPMX.L.GOOGLE.COM.",
                "5 ALT1.ASPMX.L.GOOGLE.COM.",
                "5 ALT2.ASPMX.L.GOOGLE.COM.",
                "10 ALT4.ASPMX.L.GOOGLE.COM."
            ],
            "TXT": [
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                "\"[NRDR 34503_IN_TXT_google-site-verification=JopPlnNv9VupQydpE3TiwZAEod-zouxEX0inao6rggg HxtpS+uc1I0HuPBMBaTlCA]\"",
                "\"[NRDR 34190_IN_TXT_docusign=048da45a-23c6-4f6b-8f96-6dff4fa6b22b AWGRCMvgvpXmHSJ7nxKghg]\"",
                "\"MS=ms17583017\"",
                "\"[NRDR 34436_IN_TXT_google-site-verification=MYZf5OssFVvgYQF1snvJdiFbMjHy53WzLrnsVGkgpFU C0YNNkwQ5Qfm8taSZKc+1A]\"",
                "\"[NRDR 32847_IN_TXT_facebook-domain-verification=vxpo0xkores42yfj9ggcdd2o2d2v2n 9I1LCDr7zb+jK0IoSEFayA]\"",
                "\"[NRDR 34437_IN_TXT_google-site-verification=m3lUupwhWqjbGCA6JswqWyBi7tkzh-BjbRiYuC6EXTg Or5AmLIb59AN+oiEMjOqoA]\"",
                "\"[NRDR 16337_IN_LOC_40.26.39.0.N.79.56.36.2.W.283.1.10.10 5PS/aNXhz6qcZ6tfoRdgeQ]\"",
                "\"r4bgkix7EqRv+dJHKYelMrye44oR+366MsSA0lCP0TOcMK8wfs0bpTMDP1tLTZ66OFh0Qx+ZMLBCeVx0NJ3syQ==\"",
                "\"[NRDR 33356_IN_TXT_MS=ms17583017 io8/1MnXyp5PTqiijD8s0Q]\"",
                "\"[NRDR 35455_IN_MX_1.ASPMX.L.GOOGLE.COM. JRKEGqRjzSnACLafB7QQiw]\"",
                "\"00df4000000231leaa\"",
                "\"facebook-domain-verification=vxpo0xkores42yfj9ggcdd2o2d2v2n\"",
                "\"[NRDR 30017_IN_TXT_google-site-verification=O2gyijlOW-8BSOghh0tL_4N1PlWU_qznkYhUA22dLJ0 PiRIS0yTtnNYmTWYpWCCVw]\"",
                "\"EECD69320F38F645362247248BD675F4\"",
                "\"google-site-verification=m3lUupwhWqjbGCA6JswqWyBi7tkzh-BjbRiYuC6EXTg\"",
                "\"google-site-verification=pNbrq7j_EeIowr_Kw1Jfy46bmFWR9p1llXH_leCdLrg\"",
                "\"[NRDR 34441_IN_TXT_zoho-verification=zb38550127.zmverify.zoho.com sbctKhpo8bhwlNq+f0khtw]\"",
                "\"[NRDR 36124_IN_TXT_e2ma-verification=fu2 tn9dGsCpd6YZrmWG6O9dqw]\"",
                "\"ZOOM_verify_FruZuJfdTeW1OOezpsuIVA\"",
                "\"[NRDR 32936_IN_TXT_r4bgkix7EqRv+dJHKYelMrye44oR+366MsSA0lCP0TOcMK8wfs0bpTMDP1tLTZ66OFh0Qx+ZMLBCeVx0NJ3syQ== tGCEAk5qNOFhWjjp1w58vw]\"",
                "\"docusign=048da45a-23c6-4f6b-8f96-6dff4fa6b22b\"",
                "\"[NRDR 33014_IN_TXT_ZOOM_verify_FruZuJfdTeW1OOezpsuIVA +31oybl7gh2i74ky0SLQcg]\"",
                "\"google-site-verification=JopPlnNv9VupQydpE3TiwZAEod-zouxEX0inao6rggg\"",
                "\"google-site-verification=O2gyijlOW-8BSOghh0tL_4N1PlWU_qznkYhUA22dLJ0\"",
                "\"[NRDR 37683_IN_TXT_A8809FFAB54BD9C6F7DFBE92616764D0 1pWIIBS0QK7rR0bt/OqwZg]\"",
                "\"[NRDR 34438_IN_TXT_google-site-verification=pNbrq7j_EeIowr_Kw1Jfy46bmFWR9p1llXH_leCdLrg eMgkItPzPonrYzRZBOx13w]\"",
                "\"[NRDR 35458_IN_MX_10.ALT3.ASPMX.L.GOOGLE.COM. lw7k2ZT1H96ItGwU98g8LA]\"",
                "\"[NRDR 35457_IN_MX_5.ALT2.ASPMX.L.GOOGLE.COM. pzqzxDk39X4PeiVpV+EvZQ]\"",
                "\"[NRDR AN-23811_IN_A_128.2.42.10 JRwwvtp22mouAVo7Ye6sJQ]\"",
                "\"[NRDR 37073_IN_TXT_reftab-domain-verification=c24d073b23fed3af77c9e3b40010223f Kmo0sQxn82COz9etYwP/3w]\"",
                "\"google-site-verification=MYZf5OssFVvgYQF1snvJdiFbMjHy53WzLrnsVGkgpFU\"",
                "\"[NRDR 35459_IN_MX_10.ALT4.ASPMX.L.GOOGLE.COM. EkBzBKUeTsTJg2w4Ly2bMw]\"",
                "\"[NRDR 36038_IN_TXT_cisco-ci-domain-verification=5f809f49f9d3ca48d84db537e031b2007011ea11f6410de6a8a02919908675d6 VTvqYpCLdM5K6bM5zRNwDQ]\"",
                "\"[NRDR 37284_IN_TXT_airtable-verification=878daeee4665d51015a6dda912bbb9f5 GCXTwRluJG0dSxHBUrbFYA]\"",
                "\"[NRDR 36125_IN_TXT_e2ma-verification=fu2 tn9dGsCpd6YZrmWG6O9dqw]\"",
                "\"[NRDR 37587_IN_TXT_EECD69320F38F645362247248BD675F4 vdnDjzc5a9LVXuQ6DmgOhA]\"",
                "\"[NRDR 35456_IN_MX_5.ALT1.ASPMX.L.GOOGLE.COM. /CTPCIrZ0nFHanr+3VJRfw]\"",
                "\"[NRDR 34068_IN_TXT_atlassian-domain-verification=H4RHVEsTq5YZaRen7VBly2a3AqWhfLMxAL3wBScS8EB0Pg5x1vaPhj3eXsGaUOGi ePUw4Mw9giYZRVzpV/ysvQ]\"",
                "\"v=spf1 include:_spf.cmu.edu ~all\"",
                "\"cisco-ci-domain-verification=5f809f49f9d3ca48d84db537e031b2007011ea11f6410de6a8a02919908675d6\"",
                "\"[NRDR 31057_IN_TXT_00df4000000231leaa QSq9rQj5GCBh30pVnLGMtQ]\"",
                "\"atlassian-domain-verification=H4RHVEsTq5YZaRen7VBly2a3AqWhfLMxAL3wBScS8EB0Pg5x1vaPhj3eXsGaUOGi\"",
                "\"reftab-domain-verification=c24d073b23fed3af77c9e3b40010223f\"",
                "\"[NRDR 34415_IN_TXT_apple-domain-verification=yZrPHuazhdH42CPf dbWBQEISZeHDi/9KkKT96g]\"",
                "\"A8809FFAB54BD9C6F7DFBE92616764D0\"",
                "\"zoho-verification=zb38550127.zmverify.zoho.com\"",
                "\"[NRDR 31504_IN_TXT_v=spf1.include:_spf.cmu.edu.~all jxEj2x9CC1Gu8ePZldY84w]\"",
                "\"airtable-verification=878daeee4665d51015a6dda912bbb9f5\"",
                "\"e2ma-verification=fu2\""
            ],
            "NS": [
                "NSAUTH3.NET.cmu.edu.",
                "NSAUTH2.NET.cmu.edu.",
                "NSAUTH1.NET.cmu.edu."
            ],
            "SOA": [
                "nsauth-master.net.cmu.edu. host-master.andrew.cmu.edu. 20522516 900 450 3600000 21600"
            ],
            "CAA": [],
            "DS": [
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            ],
            "DNSKEY": [
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            ],
            "RRSIG": [
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