{ "ok": true, "domain": "education.gov.uk", "generated_at": "2026-08-10T04:14:33-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 82, "label": "Good", "categories": { "dns": 70, "mail": 100, "security": 88, "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": "4 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": "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": 5, "lost_points": 0, "detail": "Mail transport policy." }, { "category": "mail", "title": "TLS-RPT", "max_points": 5, "earned_points": 5, "lost_points": 0, "detail": "TLS reporting policy." }, { "category": "security", "title": "Valid TLS certificate", "max_points": 55, "earned_points": 55, "lost_points": 0, "detail": "89 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": 23, "lost_points": 12, "detail": "6 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": "4 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": "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": "ok", "title": "MTA-STS", "detail": "Mail transport policy.", "category": "mail", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "level": "ok", "title": "TLS-RPT", "detail": "TLS reporting policy.", "category": "mail", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "level": "ok", "title": "Valid TLS certificate", "detail": "89 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": "6 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 23, "lost_points": 12 }, { "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": [ "20.126.154.183" ], "AAAA": [], "CNAME": [], "MX": [ "10 education-gov-uk.mail.protection.outlook.com." ], "TXT": [ "\"d365mktkey=6vp6ooc2cmmg8jx89echviv81\"", "\"v=spf1 include:spf.protection.outlook.com include:_spf.firmstep.com include:eur.pb-dynmktge.com include:mktomail.com a:outbound13.service-now.com a:o1.em.findapprenticeship.service.gov.uk\" \" ip4:51.219.200.136 ip4:50.31.56.119 ip4:51.140.231.73 ip4:185.112.98.133 ip4:185.112.99.133 ip4:85.115.60.190 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:129.41.167.7 ip4:40.67.217.228 ip4:148.139.2.0/24 ip4:148.139.3.2 ~all\"", "\"d365mktkey=5hir4pd1vh6n01lo8zztcti4e\"", "\"Rm7HcJZ4YVqJlAiq7raaxBzfonAztuZ+Zz75TQc5VD0=\"", "\"d365mktkey=76cttecsxz16vhyke22te8krr\"", "\"_globalsign-domain-verification=GwGHWo1dNAn5vtJ1lQy5fiX5r3rdCGwhA2c_Ud4XG_\"", "\"google-site-verification=s38dbABzSS28qQiC7MWyb5lvFICJI_8Q5nHdmhxhTYc\"", "\"PxfMObkNzBh51wGEik4Q4LASWuo8FU2+FZdw/b7qqx8=\"", "\"9hbrq052ndr46fb10qxs14zjrr0rk79p\"", "\"MS=ms47410239\"", "\"kxz9mkjwl04tzfdj6zwslq6grvmvqvg8\"", "\"d365mktkey=4MoxXlgBSjRxLR7UE2BHIVOFgGar2MbMq8gBotT6phEx\"", "\"MS=ms60889213\"", "\"d365mktkey=3963n96it9bdholqd9qxotwff\"", "\"zCyBuNNunwnahMBszs1/W/0k99Lc/qmclgwtgChr3Zo=\"", "\"v0gA9kvBjEXU6zXZUjLk5mo4moTPxbSz9YmZP3YF6xSMC9alcACriCI+aGAPqiagquH+imZFR/4GazzjZuPsxg==\"" ], "NS": [ "ns-671.awsdns-19.net.", "ns-283.awsdns-35.com.", "ns-1627.awsdns-11.co.uk.", "ns-1260.awsdns-29.org." ], "SOA": [ "ns-283.awsdns-35.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "20.126.154.183" ], "ipv6": [] }, "mail": { "spf": "v=spf1 include:spf.protection.outlook.com include:_spf.firmstep.com include:eur.pb-dynmktge.com include:mktomail.com a:outbound13.service-now.com a:o1.em.findapprenticeship.service.gov.uk ip4:51.219.200.136 ip4:50.31.56.119 ip4:51.140.231.73 ip4:185.112.98.133 ip4:185.112.99.133 ip4:85.115.60.190 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:129.41.167.7 ip4:40.67.217.228 ip4:148.139.2.0/24 ip4:148.139.3.2 ~all", "dmarc": "v=DMARC1;p=quarantine;sp=quarantine;pct=100;fo=1;rua=mailto:dmarc-rua@dmarc.service.gov.uk,mailto:dmarc-rua@education.gov.uk;ruf=mailto:DMARC.Forensic@education.gov.uk", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.education.gov.uk", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuD+4EGFW3GWew798IeFVx82xeU+QvidSfAgMavLQf+8UXqJYinKVaPQmei5v8qt1dDhGHHoUdInY0/JQnrV23dLBPlmjGiAWGa5lJQSZecDDh2SktAFdhqmJL3XlblARek082Tlv9bSxI9jBJSxmX45Tm7bxdVJ/QIo1nT8z081zllRM//otNpKsMRQxOIFleLQxGAZFSxmfIUwd7+fQgUq7aXtA7JGEPlNR+CqhIXP5P9u0M+0w/0cwjkG3/jaazTFDfkzkbx1CuUm3czt5QPRq4QnNKrclCikEOJoZEEKowQqkr2lSt8FcjW5wR79Fem63d5RS6g9ZWfL77tmbPQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 6, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "", "mta_sts": "v=STSv1; id=20210323T1000;", "tls_rpt": "v=TLSRPTv1;rua=mailto:tls-rua@mailcheck.service.ncsc.gov.uk" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "20.126.154.183" ], "time_ms": 71.69 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "20.126.154.183" ], "time_ms": 48.9 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "20.126.154.183" ], "time_ms": 62.16 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "20.126.154.183" ], "time_ms": 100.22 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "20.126.154.183" ], "time_ms": 68.08 } ] } }, "ssl": { "available": true, "issuer": "GlobalSign nv-sa", "subject": "education.gov.uk", "valid_from": "2025-10-07T03:41:09-05:00", "valid_to": "2026-11-08T02:41:08-06:00", "days_remaining": 89, "san": [ "education.gov.uk", "www.education.gov.uk" ], "protocol": "TLSv1.2", "cipher": "ECDHE-RSA-AES256-GCM-SHA384" }, "http": { "url": "https://www.gov.uk/government/organisations/department-for-education", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "content-type": "text/html; charset=utf-8", "content-length": "134833", "connection": "Close", "location": "https://www.gov.uk/government/organisations/department-for-education", "server": "nginx", "cache-control": "max-age=300, public", "content-security-policy": "default-src 'self'; base-uri 'none'; img-src 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk www.google-analytics.com ssl.google-analytics.com stats.g.doubleclick.net www.googletagmanager.com www.region1.google-analytics.com region1.google-analytics.com www.google.co.uk analytics.google.com *.analytics.google.com www.google.com lux.speedcurve.com assets.digital.cabinet-office.gov.uk https://img.youtube.com https://i.ytimg.com; script-src 'self' www.google-analytics.com ssl.google-analytics.com stats.g.doubleclick.net www.googletagmanager.com www.region1.google-analytics.com region1.google-analytics.com www.google.co.uk analytics.google.com *.analytics.google.com www.google.com www.gstatic.com *.ytimg.com www.youtube.com www.youtube-nocookie.com 'nonce-CCclkOskkyhuuNpiOo7/3g=='; style-src 'self' www.gstatic.com; font-src 'self'; connect-src 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk www.google-analytics.com ssl.google-analytics.com stats.g.doubleclick.net www.googletagmanager.com www.region1.google-analytics.com region1.google-analytics.com www.google.co.uk analytics.google.com *.analytics.google.com www.google.com lux.speedcurve.com; object-src 'none'; frame-src 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk www.youtube.com www.youtube-nocookie.com; frame-ancestors 'self' *.publishing.service.gov.uk www.gov.uk *.dev.gov.uk; report-uri https://csp-reporter.publishing.service.gov.uk/report", "etag": "W/\"d7d67891a5061cfd71c8e6a9c1a52abf\"", "link": "; rel=preload; as=style; nopush,; rel=preload; as=script; nopush,; rel=modulepreload; as=script; nopush,; rel=preload; as=script; nopush,; rel=modulepreload; as=script; nopush,; rel=preload; as=style; nopush", "permissions-policy": "interest-cohort=()", "referrer-policy": "strict-origin-when-cross-origin", "via": "1.1 router, 1.1 varnish", "x-content-type-options": "nosniff", "x-frame-options": "SAMEORIGIN", "x-permitted-cross-domain-policies": "none", "x-request-id": "f8364bd9-f261-47bb-963a-b45ef2f028d1", "x-runtime": "0.352817", "x-xss-protection": "0", "fastly-backend-name": "origin", "accept-ranges": "bytes", "age": "0", "date": "Mon, 10 Aug 2026 09:14:23 GMT", "strict-transport-security": "max-age=31536000; preload", "server-timing": "cacheMiss", "x-served-by": "cache-stl760080-STL", "x-cache": "MISS", "x-cache-hits": "0", "x-timer": "S1786353263.546125,VS0,VE1083", "vary": "Accept, Accept-Encoding", "alt-svc": "h3=\":443\";ma=86400,h3-29=\":443\";ma=86400,h3-27=\":443\";ma=86400" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "x-frame-options": true, "referrer-policy": true, "permissions-policy": true, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "nginx", "powered_by": "" }, "webpage": { "url": "https://www.gov.uk/government/organisations/department-for-education", "title": "Department for Education - GOV.UK", "description": "The Department for Education is responsible for children’s services and education, including early years, schools, higher and further education policy in England. DfE is a ministerial department, supported by 13 agencies and public bodies .", "success": true, "error": "", "status": 206 }, "network": { "20.126.154.183": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "education-gov-uk.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 35.6, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4020.8, "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": 91.23 }