{ "ok": true, "domain": "nist.gov", "generated_at": "2026-08-08T17:48:43-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 89, "label": "Good", "categories": { "dns": 95, "mail": 90, "security": 81, "network": 70, "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": 10, "lost_points": 0, "detail": "4 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": "1 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": 16, "lost_points": 19, "detail": "4 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": 35, "lost_points": 0, "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": "4 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "4 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": "1 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": "4 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 16, "lost_points": 19 }, { "level": "error", "title": "PTR reverse DNS", "detail": "PTR not detected.", "category": "network", "max_points": 30, "earned_points": 0, "lost_points": 30 }, { "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": "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": [ "172.65.90.26", "172.65.90.24", "172.65.90.27", "172.65.90.25" ], "AAAA": [ "2606:4700:78::90:0:180", "2606:4700:78::90:0:183", "2606:4700:78::90:0:182", "2606:4700:78::90:0:181" ], "CNAME": [], "MX": [ "0 nist-gov.mail.protection.outlook.com." ], "TXT": [ "\"openai-domain-verification=dv-LH2I25vAcFPzjYDPYCU2t6Uy\"", "\"cisco-ci-domain-verification=1b1e68d4cf0e84478115596723f00e17a848c659bb11f53b58f8f2cd84b7e111\"", "\"v=spf1 include:_spf1.nist.gov include:_spf2.nist.gov -all\"", "\"domain-verification=J6aCmM09zEcfzyPp57W7AtDczKeyPHwj_WRoqnt0g0Q\"", "\"atlassian-domain-verification=xVa84aCbqa1pJZZdpB0gGm0ZNukDUU4TBzccNbFkyozIg3QXHaufaQaczvEDG3Jp\"", "\"box-domain-verification=4d49553685eee3edbcf58b736eb4c42febff4e1741da8db3098f2bb3d161d90f\"", "\"MS=ms22398849\"", "\"google-site-verification=oJSFVUoM3RN44bzuiI9F3qWzWxTqmrawzMycAD_NUcY\"", "\"jamf-site-verification=Sr15KQEdTRZZXqaxbFaFQw\"", "\"_hie8b7uqvafayfkdb47ag5t5up1nxbb\"" ], "NS": [ "gold.foundationdns.net.", "gold.foundationdns.org.", "gold.foundationdns.com." ], "SOA": [ "gold.foundationdns.com. dns.cloudflare.com. 2411421182 10000 2400 604800 1800" ], "CAA": [], "DS": [ "33751 8 2 90C6CD28626CA7B8E3A1FACAD58D20D486E52DF040B9B2F085ACD5C7 03E624C6" ], "DNSKEY": [ "256 3 8 AwEAAeNZU6cdEr+o3lMoluay4XV/dgC/a/p6/RQCgKbzPe1S6DCa4N6m ru+AL8JTkYEKiwCnWoW5ruzS16rK9oRcP4/RjZOO7bopWiTXciWOQN6I J/SbeEtp1m3AlL3OHLAv9lY3sbRydMHfbbsbCijDd3chIqS0BabZyI0E DMCD6NGJroPf0ERqV7D5LfsvT59BCZpLIp3u6MZpIXieqPQKKe0=", "257 3 8 AwEAAeaJ7qqumy0GJV00pMwozYZ+2Fj+VxfbCzjLL428MHvSceglIf6o f3GTd+BjiYnH7ohXMhBNcEikXIORas0fMrTYa5Ak2/znKVizxANVL+7T ThgE2Wwi0dgy+yMQaGAWSfC4LhnHhMJ28I24ce+6pDHF6xwr7HECRxEK +bMIantoYtQkFTkdkLrMagnPh9kRp66dQuzKtbbMkfd8n8fEhni3iziE qVK2pST5bYMJm2IkSscAz8NfrRqya+flm/fy8RRFSYVcfPaOC3sZf91H 0fBkyBbBfM3pRihMUyg3TBZ/rg9NZiM0yTf+scSH+E3w+WRkC+/xOouh yYZE4NxqfdM=" ], "RRSIG": [ "NS 8 2 86400 20260809234834 20260807214834 18303 nist.gov. RWwXbtapi9BUWXDJi1At6xb7h/pHpeuDpMbsrSbQekVtgOLegB7zsD0o Ipyz0Kd3vWA8cBeqG6VsZyePkfXxUvPH9lc9UDW+XQDeBZs5vnknqf8e l5DXHaMZ8E6i+hQiUHfwIh9HDiynVejiTRqHA/d8G0E9tDeMOIKhv7ht W7O/KSDx+P1oXnqW0uaW8uwyHulhkLmDMZtfVEK8M0qBPw==", "DS 13 2 3600 20260809234834 20260807214834 35496 gov. sTxznrz9ZfatMxKoueMQXIBUqd1TqXsnJMH6/C+XKKJ7O9gN0K88BrPE PgaBVeZ8OnVeJtMQjFode+SMRDPq6Q==" ], "NSEC": [ "\\000.nist.gov. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA" ], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "172.65.90.26", "172.65.90.24", "172.65.90.27", "172.65.90.25" ], "ipv6": [ "2606:4700:78::90:0:180", "2606:4700:78::90:0:183", "2606:4700:78::90:0:182", "2606:4700:78::90:0:181" ] }, "mail": { "spf": "v=spf1 include:_spf1.nist.gov include:_spf2.nist.gov -all", "dmarc": "v=DMARC1; p=reject; pct=100; rua=mailto:dmarcrua@nist.gov,mailto:dmarc-reports@doc.gov, mailto:reports@dmarc.cyber.dhs.gov,mailto:dmarc_agg@vali.email; ruf=mailto:dmarcruf@nist.gov", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.nist.gov", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx3jAZwNIjtFdkysBfSvf41tsViCKS8UW10+tEuOx7ymNSO5ggE0kYRaT0BeoUUW4p+R/IRGKJUsFwWMXAonTQVuFa6uVrT++OGN5tTibDiIqQIOzjHtpK0ucon40NelUImBixamFQ+o/3Vek5dO29buxtLr5VBgED4LifhM9bOU92VU3hkLakzwdY0arDoMOOj7HWMS4B5EnCwB668ANmC35xY2prjz8L0Do45AaJBF/laQx504sVsygAD8ur8ZD20j7URNgckD2J6ziGosUjI0sdMRvPLQYesm1ATk9lqibIGk6Pk/MyLndfX1ffWh0yFEpBGXvWzw1AWlD/HhJeQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 2, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "172.65.90.24", "172.65.90.25", "172.65.90.26", "172.65.90.27" ], "time_ms": 62.05 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "172.65.90.24", "172.65.90.25", "172.65.90.26", "172.65.90.27" ], "time_ms": 28.89 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "172.65.90.24", "172.65.90.25", "172.65.90.26", "172.65.90.27" ], "time_ms": 45.09 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "172.65.90.24", "172.65.90.25", "172.65.90.26", "172.65.90.27" ], "time_ms": 39.91 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "172.65.90.24", "172.65.90.25", "172.65.90.26", "172.65.90.27" ], "time_ms": 75.24 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "nist.gov", "valid_from": "2026-07-02T04:58:01-05:00", "valid_to": "2026-09-30T04:58:00-05:00", "days_remaining": 52, "san": [ "*.nist.gov", "nist.gov" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.nist.gov/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Sat, 08 Aug 2026 22:48:35 GMT", "content-type": "text/html; charset=UTF-8", "location": "https://www.nist.gov/", "server": "cloudflare", "cf-ray": "a28211c42cb4c959-ORD", "cache-control": "public, max-age=2764800", "age": "48994", "set-cookie": "__cf_bm=J.tUXa4Bq4vOVKf8FdRJWVfi_Au9400yRQ0DtctQA9U-1786229315.2294972-1.0.1.1-e9FTBiCd.2mbzeOyYILmOKijvdnxfqp394UsAvHUiEm9ap0kjtMOcnoCTxqTTMxENzbRieACzg94ETZSWd59XdI.pN1HPXPWegXqlbEa1JruCLssPVqTbRNorgN8ORAm; HttpOnly; SameSite=None; Secure; Path=/; Domain=nist.gov; Expires=Sat, 08 Aug 2026 23:18:35 GMT", "content-language": "en", "content-security-policy": "default-src 'self'; script-src 'self' *.nist.gov js-agent.newrelic.com bam.nr-data.net bam-cell.nr-data.net gov-bam.nr-data.net 'unsafe-inline' 'unsafe-eval' www.google-analytics.com *.googletagmanager.com platform.twitter.com https://player.vimeo.com static.cloudflareinsights.com https://challenges.cloudflare.com; style-src 'self' 'unsafe-inline' *.nist.gov fonts.googleapis.com *.typekit.net; img-src 'self' 'unsafe-inline' data: *.nist.gov *.google-analytics.com *.googletagmanager.com cdnsecakmi.kaltura.com nist-el-nfrlhrr.s3.amazonaws.com https://cdn.jsdelivr.net/npm/leaflet-fullscreen@1.0.2/dist/fullscreen@2x.png https://cdn.jsdelivr.net/npm/leaflet-fullscreen@1.0.2/dist/fullscreen.png api.mapbox.com syndication.twitter.com https://h5p.org https://i.vimeocdn.com; media-src 'self' nist-el-nfrlhrr.s3.amazonaws.com; frame-src 'self' tube.nist.gov sts.nist.gov sts2.nist.gov *.kaltura.com *.youtube.com *.arcgis.com https://platform.twitter.com/ https://player.vimeo.com https://vimeo.com/ https://time.gov/ login.nist.gov https://customer-ltx6ylk10sje63q6.cloudflarestream.com https://challenges.cloudflare.com; frame-ancestors 'self'; child-src 'self' blob: tube.nist.gov sts.nist.gov sts2.nist.gov *.kaltura.com *.youtube.com *.arcgis.com *.time.gov login.nist.gov; font-src 'self' *.nist.gov fonts.googleapis.com fonts.gstatic.com *.typekit.net data:; connect-src 'self' bam.nr-data.net bam-cell.nr-data.net gov-bam.nr-data.net *.google-analytics.com *.analytics.google.com *.googletagmanager.com; upgrade-insecure-requests", "cf-cache-status": "HIT", "expires": "Sun, 19 Nov 1978 05:00:00 GMT", "last-modified": "Sat, 08 Aug 2026 09:09:33 GMT", "strict-transport-security": "max-age=31536000", "vary": "Cookie,Accept-Encoding", "via": "varnish", "x-ah-environment": "prod", "x-cache": "MISS", "x-content-type-options": "nosniff", "x-drupal-cache": "HIT", "x-frame-options": "SAMEORIGIN", "x-generator": "Drupal 10 (https://www.drupal.org)", "x-request-id": "v-36c62508-9309-11f1-89d5-77382db403c0", "x-ua-compatible": "IE=edge", "x-xss-protection": "1;mode=block" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "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": "cloudflare", "powered_by": "" }, "webpage": { "url": "https://www.nist.gov/", "title": "National Institute of Standards and Technology", "description": "NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.", "success": true, "error": "", "status": 206 }, "network": { "172.65.90.26": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "172.65.90.24": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "172.65.90.27": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "172.65.90.25": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "nist-gov.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 36.7, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4055.7, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4019.6, "banner": "", "error": "Connection timed out" } ] }, "visitor": { "ip": "216.73.217.62", "reverse": "", "country": "", "country_code": "", "region": "", "city": "", "latitude": null, "longitude": null, "isp": "", "organization": "", "asn": "", "timezone": "", "browser": "Other", "os": "Other", "language": "", "user_agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)", "is_bot": true, "cloudflare": false }, "analysis_time_ms": 142.24 }