{ "ok": true, "domain": "english-heritage.org.uk", "generated_at": "2026-08-09T04:38:09-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 78, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 69, "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": "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": 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": "229 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": 4, "lost_points": 31, "detail": "1 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: ;; communications error to 69.64.44.20#53: timed out" }, { "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": "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": "229 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": "1 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 4, "lost_points": 31 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: ;; communications error to 69.64.44.20#53: timed out", "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/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": [ "217.114.94.2" ], "AAAA": [], "CNAME": [], "MX": [ "10 englishheritage-org-uk01i.mail.protection.outlook.com." ], "TXT": [ "\"MS=ms95978956\"", "\"v=spf1 mx include:spf.protection.outlook.com include:spf.amris.com ip4:194.62.32.0/24 ~all\"", "\"facebook-domain-verification=52ttf3ph3issbd8o63u46olahgnzow\"" ], "NS": [ "ns4-05.azure-dns.info.", "ns1-05.azure-dns.com.", "ns2-05.azure-dns.net.", "ns3-05.azure-dns.org." ], "SOA": [ "ns1-05.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "217.114.94.2" ], "ipv6": [] }, "mail": { "spf": "v=spf1 mx include:spf.protection.outlook.com include:spf.amris.com ip4:194.62.32.0/24 ~all", "dmarc": "v=DMARC1; p=quarantine; rua=mailto:dmarc-rua@dmarc.service.gov.uk; ruf=mailto:itsecurity@english-heritage.org.uk; pct=100", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.english-heritage.org.uk", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXLDw6FkbKIVWZN5+XvA0EU0hedwTf8/0THWCJdwzyNRx4TuKx+AUZcXAxMy1kEPEF/uIUMgX4mSzXrKKocV1LbpRSk1aa2ES792RymBNoo47mGEQevhxEL4lW+RrP0AQuBCvJwcxOVwq2SuDJOsEsN5VZua6wRQeikfxX1UK9pQIDAQAB; n=1024,1487446464,1503084864", "spf_analysis": { "valid": true, "lookups": 3, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": ";; communications error to 69.64.44.20#53: timed out", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "217.114.94.2" ], "time_ms": 72.91 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "217.114.94.2" ], "time_ms": 53.75 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "217.114.94.2" ], "time_ms": 95.36 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "217.114.94.2" ], "time_ms": 127.24 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "217.114.94.2" ], "time_ms": 81.11 } ] } }, "ssl": { "available": true, "issuer": "DigiCert Inc", "subject": "*.English-Heritage.Org.Uk", "valid_from": "2026-02-22T18:00:00-06:00", "valid_to": "2027-03-26T18:59:59-05:00", "days_remaining": 229, "san": [ "*.English-Heritage.Org.Uk", "*.historicengland.org.uk", "historicengland.org.uk", "english-heritage.org.uk", "bookings.english-heritage.org.uk" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.english-heritage.org.uk/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Sun, 09 Aug 2026 09:38:01 GMT", "location": "https://www.english-heritage.org.uk/", "server": "cloudflare", "cf-ray": "a285c912bdd8c629-STL", "alt-svc": "h3=\":443\"; ma=86400", "content-type": "text/html; charset=utf-8", "access-control-expose-headers": "Request-Context", "cache-control": "private", "set-cookie": "ARRAffinitySameSite=3671ed4ea2b312664c31a1988ecc2e2dafedf84935c62792fde4fdff3fdfd02c;Path=/;HttpOnly;SameSite=None;Secure;Domain=www.english-heritage.org.uk", "vary": "Accept-Encoding", "request-context": "appId=cid-v1:db696f61-bccc-4161-98c9-dc864d7eba65", "x-frame-options": "SAMEORIGIN", "cf-cache-status": "DYNAMIC" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": false, "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.english-heritage.org.uk/", "title": "English Heritage | English Heritage", "description": "English Heritage cares for over 400 historic places, bringing the story of England to life for millions of visitors each year.", "success": true, "error": "", "status": 200 }, "network": { "217.114.94.2": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "englishheritage-org-uk01i.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 36.3, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4055.3, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4004, "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": 114.29 }