{
    "ok": true,
    "domain": "nsf.gov",
    "generated_at": "2026-08-08T20:49:20-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 90,
        "label": "Excellent",
        "categories": {
            "dns": 95,
            "mail": 90,
            "security": 77,
            "network": 85,
            "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": 10,
                "lost_points": 0,
                "detail": "1 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": "4 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: www-legacy-f5.nsf.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": 35,
                "lost_points": 0,
                "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": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "1 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "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": "4 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: www-legacy-f5.nsf.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": "ok",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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": [
                "128.150.221.244"
            ],
            "AAAA": [
                "2620:10f:6002:221::244"
            ],
            "CNAME": [],
            "MX": [
                "10 primary.us.etp.fireeyegov.com.",
                "30 alt2.us.etp.fireeyegov.com.",
                "40 alt3.us.etp.fireeyegov.com.",
                "20 alt1.us.etp.fireeyegov.com."
            ],
            "TXT": [
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                "\"have-i-been-pwned-verification=4f69051491297bd79446011a4ad80df8\"",
                "\"cloudflare_dashboard_sso=d35b2d9b7b4059e6dba0a1b67c7aa847\"",
                "\"pardot392062=053f2d10e7f4c1b927a691aaad73b9b3e7907aa4c63f6eb1213ac7d56751e6f2\"",
                "\"_lzfje4ty3ldoyjyctn0ynh388feixlo\"",
                "\"ZOOM_verify_e-wubZa8RVevvUsuV9EDjg\"",
                "\"amazonses:DamZDYghwrc36rQV5r31e65CG+IMCDnwWTHIYOBhJXw=\"",
                "\"v=spf1 ip4:128.150.5.20/26 ip4:66.77.7.161/32 ip4:66.77.15.226/32 ip4:15.200.32.0/24 ip4:65.123.16.240/28 ip4:65.127.216.64/27\" \" ip4:3.220.190.25 ip4:3.221.22.181 ip4:35.153.165.194 ip4:18.235.253.50  ip4:23.23.239.161 ip4:52.222.69.242 ip6:2620:10f:6001:5::20/121\" \" include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf.salesforce.com include:app.aventri.com include:amazonses.com ~all\"",
                "\"amazonses:WZKkPkyla+989ZOi22G9mHBRQ5+AFckOtwOzHCrGjw0=\"",
                "\"dtm-domain-verification=hhhDP2wLLViJtESmc7Ta3p4TebJnbXRN6QgO17iUa84\"",
                "\"pardot392062=becfd95f24258e3fc13fcd1a1e1180d727c56b4be4d260083f9cd9b5c9b6c796\"",
                "\"amazonses:Xen13otWmW+wYsvK3OOWVwVweAySkrZvw4bkN6B8DS0=\"",
                "\"jamf-site-verification=_ilsvY6K1PzATsYm5gIUdA\"",
                "\"_xosz4nirm95jhg4vwddfa6ihnqvxb5y\"",
                "\"pardot392062=05fbda79c7018dd8f27b04ea0fd2610c38a298a7f67d08e2ff95fa3c8942dbb2\"",
                "\"ShNmcKFFVegkbrLv/ZWIayChihj/6ex8I90IpRSXQBkn1Tsx45u+8mCFusWDhJGae2kekkYKk9ufjRoo3NfcEg==\"",
                "\"adobe-sign-verification=386fe6a5405fa717bbebc4eb4033172a5a3ae93031a11c51f4c2e96d5036dace\"",
                "\"google-site-verification=vA4yjJZWJbPcVjZIBv-mY5xH88T2uNrEQTfsITLtt4s\"",
                "\"amazonses:KT2VTwGZXoLetXUWN88a5yYAGXBROcTpc2ZnkOfLDJs=\"",
                "\"atlassian-domain-verification=ZxoQv8eEes8m9y/CQit7XinKIZ2stkuJYobPGxyfb2Vawpwx53WuHXUn1jXwbOSH\"",
                "\"amazonses:CJeGepY8qu0s5Rvnp0WG10sbMjRq+6TZ7fiY6bMqpiI=\"",
                "\"cisco-ci-domain-verification=668a8a48d9102045865249e856890fb34daf8e2b743f21f0c47df1819f8c46db\"",
                "\"<meta\" \"name=\\\"zoom-domain-verification\\\"\" \"content=\\\"ZOOM_verify_b3xjZjUUQx-tJoqy4aCUyg\\\">\"",
                "\"cisco-ci-domain-verification=31282763ef63b65d7fbe70a761e5bb83dbb03877bd585e5d6f9ce91b988d419a\""
            ],
            "NS": [
                "ns3.nsf.gov.",
                "ns2.nsf.gov.",
                "ns1.nsf.gov."
            ],
            "SOA": [
                "p-dns-i-gridmstr01.nsf.gov. postmaster.nsf.gov. 408711 10800 1080 2419200 900"
            ],
            "CAA": [],
            "DS": [
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                "12862 13 2 DA537582582747050AAF5092E518CA9BF61540BA6B85DC622088E04E 854216EC"
            ],
            "DNSKEY": [
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                "257 3 13 MA1Au2WPoTweRRvZK6dGOk24t+sTdgPHmYPpcmdS0hRvcLREz6OcYm8P J1by6zceF4u/lRPTXyXyU4LJazK2yA==",
                "257 3 5 AwEAAeDQx5B0/08qTu1hN0oSiRili+VfZ17iGkTZACMArkYuSg7R8vAV pLqpStSp6K9LzBWv5Dn1okfqEZPgZS2hXWFodpfYGCGUMMEeW0TpJhd0 VmKq3egJXiAcMfc73QkLp/7SGrT/axT8MsjM84/eMWsZMBYzWWINjKQM JTuDQRUbS3NEvKUF6igcd9W0xL7gdl7v+FGmOuQJKK1yAwFtWHgvmy4e gQCNWHm4yzuH83ZGsdm7wNAa7WvsLdmbJGJlKKMwz0O1/2AZNFs1cCXH 8g4aZVq5ND1Qt5ljdf84AiFbaA0CAO03mWENna10kxrqt4ushUHWmeCO 7uQ+jRHz/qE=",
                "256 3 5 AwEAAcD9RLk+33P4q9ObTZ6kAL+LRRXqmQBjVLhNxZ/ThCjvP4sNnpjV ek+r2JFb81tciujHQXdVlaragxwiqrWni8fIKYT/re+FZ1lkhBmciPAj PAodb8KzKUe02YdjNnUnnGqgOV2wr9/FZVNfdRSz4HtI6wCt8v8uZiMn PFXa4Dj5",
                "256 3 13 iv8BobxgUUEwe/VrVKcfC72xOg1TgiaYWt0XNgpYsiKEtO2G1lWjDdB2 E3gZz4XEeY52nw3kGYNmHa2OJqUyqg=="
            ],
            "RRSIG": [
                "DNSKEY 5 2 172800 20260812233119 20260808232458 21628 nsf.gov. nH4wruTivZ/54S1PupgKthusc1pcZE1p1ZURVhVDDXbh3UvwMkGWhOOg ljrw4QCPHBPzDbo8Ov69dEA1iy2Komh3HsvK7+lcBaNjg4tbyU97tTfa w3UIxJpEgbMPePusTmbFGuw7mcgamIspYPeZZ4M5Nt/XUQU0vYLWqkOh TXw=",
                "DNSKEY 5 2 172800 20260812233119 20260808232458 29308 nsf.gov. D3weE/OecmETRO1S4MqqIXsrWKEd3LIoGw/nttx4NeKox4GKzrg/AodP xS8obAq6jr2+j+2WcJNLiKSQSOSSh9yyMzX20BFZ5x7aQ0P5kvjjBYmB UhIftfuh1x6jrJ0/0qmOTNUrseQiWhRStqDIHazeLYeAE4pt2MRabWSe MEjG/1xO1sCxVsveFlWjw2nj5DAbncY8aK0VC+X8tuKZn7GIQhZyYyS4 Xd3yin+6GIS8+nZK///tgwfp/qlYBugFTQLMjRtfymvm8vt3T7KSlHQV pGFHpqgAOhH55/9ZFB4WOQmN4Hn58vfmUeZvKR4CusY6pScVkMSrjmNd lenG9w==",
                "DNSKEY 5 2 172800 20260812233119 20260808232458 46627 nsf.gov. YOnzINrM0tnFFlR4rQ3rs1+SuNO6r4oyhpFuq9cZCqSVEYWArbE5nBCy RBnFK/jcUOtUGLl1JfVK3xHJuHAg/kqiB2BXiP39UbwBiwbBauqSjwc4 EMaNRlL8J1F4yFaR5CU4OE2/JQ6W2efEseyJqK/ylglG6CeGMfvFTior MpduIIfmbq3elLFAY29kZIIyv2PTzkbAXAlocrUuiCV1pfP9GG2i7apN aIvaguDXVLBQYP309HEcEjQXZ6x5pwaOrXXxnfuILs548GzSWopQOCCd bARNEG51iw8/ihKj4yHN7BU5h9PyTD/+/byHuK5bmsmPSItlgQXpmNyh PHK8JA==",
                "DNSKEY 13 2 172800 20260812233119 20260808232458 12862 nsf.gov. qjAdFAo40VlHkfsPpYZL+8MHBw5K1GIgxwreoGiYWTLJPBdHXP+LKH/l IjmoxNuXFVXQ/3yiG/+IPir5dtvJXg==",
                "DNSKEY 13 2 172800 20260812233119 20260808232458 52226 nsf.gov. PShNC/58I9+C/LLzZFWbrkp//P9dIwNNwvnuz+k9N0CZHVP1jiuV494n 0rSCWVf2qr59o/PJQ0Lf4GXyOW7U8w==",
                "NS 5 2 10800 20260812111906 20260808111545 21628 nsf.gov. ruGx6nDRR6UnrIBbz0VKUGG+LeON093QpEnSSOiUJQ+EtakrmwqTgoRg C1ai2aay2MG79pXvWcgdDrMP+DQGMl5MFNUE5PturZTPrRKD93Gbnk2i aAZRFPd6EvlsmITg7QrG/8rWv4jdU05hHzQidyltnfd72hONRn9n9a5t Msk=",
                "NS 13 2 10800 20260812111906 20260808111545 52226 nsf.gov. 79PSscCh7ZyIM+gdVJsPPctQkgINFsYe/gIsdkxB6SOppvCjmh7VHmmd Sqv7PafY6FULU5BexTmjS1Gcwh52DQ==",
                "AAAA 5 2 10800 20260812135942 20260808131249 21628 nsf.gov. cXPSkfyzoYMZzWS7mX+gqzr6gFUWwHLsCCMKqt+vpPkqykNulW2HJ3lS 7/idoD33rAf+uq1Zfh9FgGR+ueVcGS/02EcMwWme3Rwb8coMvfIO44Tv /ZHknEp9n2VzDqwe0XlLHDaw7GqoOnPigMhmWZAdFBaz7vYLTpX5sCoT R6w=",
                "AAAA 13 2 10800 20260812135942 20260808131249 52226 nsf.gov. 54Rxj+KSLnInmtuCAHQcOYimJmZphovO7jCwRyYGiXp9/ntpexw88Drr Hqas/PhBCWCcs8diAyeuTH1RvXHGdw==",
                "DS 13 2 3600 20260810024909 20260808004909 35496 gov. aoYyK37LA5tqhCAKe/gybd/C0Vqr+wcn+umq86SPoKkV++RdCe37Do3R +atAL7YrSYFLodzuDEJAXQhOIyQLog=="
            ],
            "NSEC": [
                "848974123.nsf.gov. A NS SOA MX TXT AAAA RRSIG NSEC DNSKEY"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "128.150.221.244"
        ],
        "ipv6": [
            "2620:10f:6002:221::244"
        ]
    },
    "mail": {
        "spf": "v=spf1 ip4:128.150.5.20/26 ip4:66.77.7.161/32 ip4:66.77.15.226/32 ip4:15.200.32.0/24 ip4:65.123.16.240/28 ip4:65.127.216.64/27 ip4:3.220.190.25 ip4:3.221.22.181 ip4:35.153.165.194 ip4:18.235.253.50  ip4:23.23.239.161 ip4:52.222.69.242 ip6:2620:10f:6001:5::20/121 include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf.salesforce.com include:app.aventri.com include:amazonses.com ~all",
        "dmarc": "v=DMARC1;p=reject; fo=1; pct=100;rua=mailto:dmarcemails@nsf.gov,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:fremailsdmarc@nsf.gov,mailto:reports@dmarc.cyber.dhs.gov;",
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