{
    "ok": true,
    "domain": "nih.gov",
    "generated_at": "2026-08-08T17:03:12-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 78,
        "label": "Good",
        "categories": {
            "dns": 90,
            "mail": 90,
            "security": 81,
            "network": 50,
            "availability": 60
        },
        "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": 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": "8 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": "190 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": 16,
                "lost_points": 19,
                "detail": "4 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: nih.gov"
            },
            {
                "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": 0,
                "lost_points": 40,
                "detail": "HTTP/2 403 "
            },
            {
                "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": "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": "8 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": "190 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": "4 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 16,
                "lost_points": 19
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: nih.gov",
                "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": "error",
                "title": "HTTP response",
                "detail": "HTTP/2 403 ",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "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": [
                "156.40.212.210"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 nihcesxwayst04.hub.nih.gov.",
                "10 nihcesxway4.hub.nih.gov.",
                "10 nihcesxwayst03.hub.nih.gov.",
                "10 nihcesxwayst05.hub.nih.gov.",
                "10 nihcesxway6.hub.nih.gov.",
                "10 nihcesxwayst06.hub.nih.gov.",
                "10 nihcesxway5.hub.nih.gov.",
                "10 nihcesxway3.hub.nih.gov."
            ],
            "TXT": [
                "\"identrust_validate=gQ545eXspYKimJ6IrOqCZrD5ckAPWT8GjcAlRitOVlEB\"",
                "\"amazonses:6dUQp3PJw2/pPriaGheRkNX6rVRchTDJCVkzGLDtftA=\"",
                "\"apple-domain-verification=8VumNb91MILOLiQZ\"",
                "\"uub8i3goc70aj1kvl0neuhle5v\"",
                "\"atlassian-domain-verification=FfyaIO5BcqxasUU4Cuwp9/4Y3ujXrMEpfhyaPydm5lM6vqDALuZFv8QqJI6qUPVp\"",
                "\"v7959lz5pgb250x8gzt0fkg7j4x1s6bw\"",
                "\"google-site-verification=zVNJw3i2goXwxAOFiO6ubfIWhKkgRnHS82Q7F6M6Gck\"",
                "\"0d03wt1mlg5wy8z9pv9pv0rj21pc6137\"",
                "\"amazonses:sFnUJ7LhEsJBsbZON/tFEgtZeGaqZiwY6vCL/+AJXak=\"",
                "\"atlassian-domain-verification=VhnxT3ISJLKFyasfowo1iyVXcEqztbz/3PWOQM6LP0kG9HrAlq/21h27cbqTwdxw\"",
                "\"rh426i3oiis217bktj8o4nd2m2\"",
                "\"mongodb-site-verification=gnP2xDWxNwIi8HvCaZxCA9DYeIIsM908\"",
                "\"docusign=5a06ea48-7158-4d7c-a47f-624b9d0cebc9\"",
                "\"webexdomainverification.4C675B8AF44FB136E053AB06FC0A3F65=b1985124-e9bf-4009-a584-7dee024dc7e9\"",
                "\"amazonses:rhL1YpdU4RL+Q7IALiZNww69f5cR1IZDcqEh9fRy6Tg=\"",
                "\"_0i392yrtc0z5vy7dpsmgeoukvw7bysw\"",
                "\"_ai4lciv17rnka4jdu9z7ft5dkdn6cwi\"",
                "\"f71j9q2oprakr7gtedlcau485k\"",
                "\"jamf-site-verification=g8V3otVBbtqnjBIjIJXrFg\"",
                "\"amazonses:Socb9IMK/O81TXqIP15y3NAyd8tyEcV6waygbWSPBi0=\"",
                "\"YlLYOocbRZcMeei5s0g/6cFJWMNb3AljE+bns/TE/e4=\"",
                "\"dv-ToPuPeiy2ojjpiSg4wlEEaJe\"",
                "\"cisco-ci-domain-verification=25e2351f5ed93561cf171fbead7759b2407183ca513c2c4d7eb88be637a59b7f\"",
                "\"miro-verification=ce1878a9901e3785a9ee9302aaaf4b8f878ff042\"",
                "\"webexdomainverification.2494X=72426cc0-664d-4a80-a6f4-113b7f648c9d\"",
                "\"apple-domain-verification=c8bb3gA2SNfmH0Zx\"",
                "\"webexdomainverification.4C675B897222B136E053AB06FC0A3F65=cf14e0ca-cfec-4d2b-83ab-5971ee749040\"",
                "\"amazonses:F99Cv1zG5C8JOyxlwPmjFx3qCOyQ7xJdwsNMHiJbEew=\"",
                "\"SDRQ4Pu3aj2Qhnqm0Pu+NCsKPrfBbW56qXduqE9GxA/f5eo+/Ui6umgbTg9PW0hjeg21Q2yCpOALWHqZ91OwZQ==\"",
                "\"atlassian-domain-verification=wdcwOCoxzIePKKuoOG918QCLMqYKy85i2g2UFoGlTcp32Eifql11S8xMtj1bxytf\"",
                "\"atlassian-domain-verification=5I70E3MqAbQ9rCDoKlyjMB5STNFM2xRdvGSKSghuwgN4belFRwLsmIACp85aACc/\"",
                "\"apple-domain-verification=2IrLd0KYEerfwrx6\"",
                "\"pbj2k0thl8k6bc1b5igtqqghls\"",
                "\"webexdomainverification.4C675B8A8FC5B136E053AB06FC0A3F65=81f2d6dc-b5b1-4624-9e3f-278cb4163770\"",
                "\"amazonses:EpIukSNkqrJBid632tohg9ghfR9ZOm2BsQKY8fKESvs=\"",
                "\"apple-domain-verification=G25suhrGTYqwbLNS\"",
                "\"openai-domain-verification=dv-ToPuPeiy2ojjpiSg4wlEEaJe\"",
                "\"amazonses:Oq2yjJ17I+Cqlgpxl9Pto0uQ7gwb0IpbhQFCHjPwuGo=\"",
                "\"_acquiaplatform.nih.gov:YlLYOocbRZcMeei5s0g/6cFJWMNb3AljE+bns/TE/e4=\"",
                "\"apple-domain-verification=rFyOPvcO8sUX2iHP\"",
                "\"docusign=850d3223-bb46-4946-986b-2410b69ed0e7\"",
                "\"amazonses:vDxikFPIS0Am8dY/BlMuOFbJ2TuF64fRwUfkUGH67bY=\"",
                "\"mongodb-site-verification=P4xvHdvjB9koHJnGWdIuapplaUGKo9VP\"",
                "\"_jiomcldogudftjarbrdx4kt57mzu5xv\"",
                "\"1qM+TU0yI2yC5SbKT6I96/NjwTb/86hET84vn0/fXWW=\"",
                "\"x1htw52vr2t3416zs29gg8lq0zkw744c\"",
                "\"amazonses:QJZljHq4QVLochyWJlHRtF/TQ7CgNwoHHWnOK7AjCWo=\"",
                "\"amazonses:93j7xtRaIBE5K+ERCErN+WDNFhQPQ1rY8mCD3Ut5Rqg=\"",
                "\"pknf061r79fsrzbmcpgnhygf1j8nvxy8\"",
                "\"v=spf1 ip4:128.231.90.64/26 ip4:165.112.13.0/26 ip4:156.40.79.128/25 \" \"ip4:128.231.89.192/28 ip4:165.112.69.16/28 ip4:165.112.194.0/25  ip6:2607:f220:0404:8104::0/64 ip6:2607:f220:402:1a01::0/64  ip6:2607:f220:404:12e::/64 ip6:2607:f220:402:12e::/64 include:spf.protection.outlook.com ~all\"",
                "\"webexdomainverification.4C675B8AEB46B136E053AB06FC0A3F65=a9568d05-1a3d-4c2b-9f45-3b5d786db694\"",
                "\"google-site-verification=8BC5Gnatu9NBfOph_lZpZyG2eDK0iPs0V8Li0RKzin8\"",
                "\"graphpad.com:domain-verification=gN34VRAg6P9tjzcJQp3UzA\"",
                "\"adobe-idp-site-verification=5e85ea0ed34d3d2a09f830d0cfc77139471d15e20e771d90484e89895b0a9f1e\"",
                "\"adobe-sign-verification=1e4a7a1987a2efa2d94b3cdcf717ec0b5d1dcbcb8c16a5d2bc4ea7c4dbcd2210\"",
                "\"wOUurBjukuuVfNP30Zyjv13ohvbjr9KVCgIoMfKSL6U=\"",
                "\"apple-domain-verification=FTZHYv0nuXKqjeP8\"",
                "\"ciscocidomainverification=1b32b084b0eb3ade21d6a521cfa1db73d2a787817950f96cf35fe67d6fa84685\"",
                "\"google-site-verification=bFFD3VwenH37-hj5wbQqLUOAkLjsrX2Tp-LnN1AvpkQ\"",
                "\"sv6eiguevqe64cojov3psnedd2\"",
                "\"docker-verification=6c54ab12-d26d-44b7-978e-f60aa83a02f3\"",
                "\"da1dfl8ipaafpqsh40iiuubf7n\"",
                "\"amazonses:Ckm+FeqyUMSBHOvsBsDHWeb1nuGAr6AWg5crTuJh47k=\"",
                "\"amazonses:QLi7vDgXZTFrD/2qNMkfcQtCzsetuefpN50b98lKPA0=\"",
                "\"amazonses:njYRGZSzGLGsQ66bZMwxwZZF4zHx9G8JWosbZeNa7Eo=\""
            ],
            "NS": [
                "ns3.nih.gov.",
                "ns2.nih.gov.",
                "ns.nih.gov."
            ],
            "SOA": [
                "nihblox6.nih.gov. hostmaster.nih.gov. 964548 10800 1080 2592000 900"
            ],
            "CAA": [
                "0 issuewild \"sectigo.com\"",
                "0 issue \"identrust.com\"",
                "0 issuewild \"letsencrypt.org\"",
                "0 issue \"globalsign.com\"",
                "0 issue \"sectigo.com\"",
                "0 issue \"digicert.com\"",
                "0 issuewild \"godaddy.com\"",
                "0 issuewild \"amazon.com\"",
                "0 issue \"amazon.com\"",
                "0 issuewild \"identrust.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"digicert.com\"",
                "0 issuewild \"globalsign.com\"",
                "0 issue \"entrust.net\"",
                "0 issue \"godaddy.com\""
            ],
            "DS": [
                "36469 8 2 4DD8F9C4C445B7588D2B8FD48AF7A754777ACE002521C05C1992DB1C F2F09EED",
                "51547 8 2 B18E5D91BB477A4040D5CBFA22DE598224340D0168856AEFAEEEDADD 192BDCF5"
            ],
            "DNSKEY": [
                "256 3 8 AwEAAZbOKcbck8dXF8HFuNHaN8Ba/r+1LDJIi1H8xmawLsGND1fF6BPA Ox6oLhF0CnFwh585zN0MrdrdhjSi2ePh5e1HgufQHzXBR5NXo1lI+oEF fwJqQAdoZ6emuRaOEE5QlkWcIm7ElqJ7JSZ+kepQTGwMrZcpHDKgk/ik 1Zx5GMC9",
                "257 3 8 AwEAAb/TBATPq9WfPf5EQnpJWGkZWk57KAx/FsyX52dIO/fU5aRXug4L s0cOncslCYKNlmHfzfDMzfgTAzZRTisG6C6tNYlHkbZiVZ2fnytfEdhB hEpDtWrEnGKjdHTdArTnHCtoTOJkiGjbn4EVA9q/a0mNrc3+2wonamr1 1VP98GgAButivHHie9mHx7a86pMnLMUdJnG1VxvhLaU4h+wwZJ/j1e3R N2HnIQXT7S6ya5bFSzmHwH6fdQmGSULGchwIQtyESN6HVQOoxH/LxYFE S70GREnSu3kYppdNeGSDW2gw+YzLqy+kclM56Xs9hSHXKMu2+UxbEbP4 h30BLXyMdOs=",
                "257 3 8 AwEAAa++YcItdlslCVNF3kTc2GSInUb7hqV0/XsQvE8tTd57LpjizdwF ScEVuPc+c96vciAbVIHctomn2+qWUX/xtHo6X4cDCfKrtl625iimZmxD FEMI+X3pSWlOwqzK/enlQ+HZSYDHL+8ci1LtD3KcxExJo1REC8mjh2IS 5ycuQ0TM2uU8ue66KXQGp/jhMFk37xsaH61BDU6ZZFZmPQizkl76adlj +bbqZ9i1jybnYrP6VFv1OUTyZZ0QEym8WkH8Coi1Fxepk8gb1/SCKDJv ZKizoKsVyyWM4m5kOQOBNcMKHuL2815uko1hE+8BewpW6KEYkH3kTZXB pw0gTeFubnU=",
                "256 3 8 AwEAAbvtkTfmRJHrk4ADITMzkY0LvXviazwWzRzmG7gHDn5ircmlP6Rv o3WetpBi4bKy4T8ahk3Q+IhanmDXVLkrrRyR9HJ+7cxTJA/dk8PC09F7 i+xKyRGhFxLvxCFo0qBxckGYC/UhTjXyCk5tdIAGlVPQSDBA0TjqjNz0 RGP9xgEt",
                "256 3 8 AwEAAaavTlYl19BV6q9XJygVL0f1DHV4SdKZrVoUgbXvoitTxVTyn7CY 0pp3b7rERYfpj7ZIXKTJLxGDO8UYOO2MGTPpoDipy42HZMA06VJG19yK kKMmWOmanZAKtJzsFIAv7To3VMLbFtwFWGCag8830ualtCCOpw4ezbFA AI/Qpvxt"
            ],
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