{ "ok": true, "domain": "barbican.org.uk", "generated_at": "2026-08-10T03:32:03-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 86, "label": "Good", "categories": { "dns": 80, "mail": 100, "security": 77, "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": "2 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "2 IPv6 address(es) detected." }, { "category": "dns", "title": "Name server redundancy", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "2 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": "69 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": 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": "2 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "2 IPv6 address(es) detected.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "ok", "title": "Name server redundancy", "detail": "2 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": "69 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": "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": [ "172.66.152.97", "104.20.16.76" ], "AAAA": [ "2606:4700:10::6814:104c", "2606:4700:10::ac42:9861" ], "CNAME": [], "MX": [ "5 barbican-org-uk.mail.protection.outlook.com." ], "TXT": [ "\"atlassian-domain-verification=gXPKqRv3CUkToraJRreJQFz/u9fNcXLegdNPliQfaaW9070fLxQlVZBp4zes46P5\"", "\"sophos-domain-verification=3947869d6133a6e2b1207467ad5e0eb087e8e04c758c22cfcdda986a0e573d26\"", "\"MS=ms71340125\"", "\"mlol0vfca5hqtm4f7u8f2pvjvh\"", "\"v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.elasticemail.com include:shops.shopify.com ~all\"", "\"P1DjoWDW0EBa7wf2Al3Vt2hrhY2rV8N3/v6R727ZTjw=\"", "\"ZOOM_verify_b-RRcWVjQCu27UTTlAUssg\"", "\"google-site-verification=O4DKbmKBWSowfDB2Xww2TPAcL0nsw1RIyT4PNZLzZAg\"", "\"apple-domain-verification=ySYGMJAf0ab7s1gN\"", "\"facebook-domain-verification=mjvr9fq4wu4dhnfmzpz3siccfae0tj\"", "\"9JowBhXYEz+lWTH3DBXruMccFBLzEOh2Qd9CZ4U/MaAVQL0HmOrTaUTeogKeOkt+opdBK5yvd13d/yCTFWkJzA==\"", "\"MS=ms54554978\"" ], "NS": [ "chloe.ns.cloudflare.com.", "chad.ns.cloudflare.com." ], "SOA": [ "chad.ns.cloudflare.com. dns.cloudflare.com. 2411739782 10000 2400 604800 1800" ], "CAA": [], "DS": [], "DNSKEY": [ "256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==", "257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==" ], "RRSIG": [ "NS 13 3 86400 20260811093154 20260809073154 34505 barbican.org.uk. vGEqrICS/iqCoo2FGrkqXQf4ODqiyrJ4prugIiu14NFFMQ2yvVb/FzRg TYSFupkbqEHVTGHg9rkcTCEmZPedUw==", "AAAA 13 3 300 20260811093148 20260809073148 34505 barbican.org.uk. oto7B4QrO6AjV3zZDDoB52Mp9gMz4Dj/bKLCOd0gMZiC3YEwyRscfb8e WJ9MSVW7skQP4cbCGT4Zk/Dw6l89EQ==", "A 13 3 300 20260811093148 20260809073148 34505 barbican.org.uk. R5W/hP408CiTfRKhIEZjs75nMER14qsq2c5Pq/xzW1O4KRQgpZRD1gxa Sdcw4fU6gYA3YOb0+WfVGzem6hR8qA==", "NSEC 13 3 1800 20260811093147 20260809073147 34505 barbican.org.uk. h3VBkI0BzTh0BqJuuavNullxpa9aCi1r7i/8sPFXofSqmqgADWQmEMrG 4fxBqZ4VABTCR5R1RLM/Fi7iDlemCQ==" ], "NSEC": [ "\\000.barbican.org.uk. 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": [ "172.66.152.97", "104.20.16.76" ], "ipv6": [ "2606:4700:10::6814:104c", "2606:4700:10::ac42:9861" ] }, "mail": { "spf": "v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.elasticemail.com include:shops.shopify.com ~all", "dmarc": "v=DMARC1;p=reject;rua=mailto:dc7c933f061e4508b239f3dcbfd27071@dmarc-reports.cloudflare.net", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.barbican.org.uk", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2TVHlotPNDkwQsdpYtQEGGUgKg7Eawr2mrpn6kXqJ9hn2MwguUHZiK/PHa+GgMrhe62+sUsRjYu72N2iFsVH9tHcmsiA0KHeZpzlapZ7CLMVbUCfZNTuGmtTIHvU/lOBkjO1XzA10F8/eypNukyqbQ/eSuXIiNn3paepnNfs3Cs2JceVXaXPQgQiD93UnKR4eqro5tnInbJKfKtRIYAGvSpKWamifz/RNlHf5lNDSfWA0HDJ8raFyBXxeXwYytv07xrVai5fs6N3/NY8ewg0wQR639VZPadAXrURMByB1euVt9BAS2sB/giShczfB5B4qJYTGK5vicDk6BpQ3EXqhQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 4, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "v=BIMI1; l=https://static.barbican.org.uk/bimi/logo.svg;", "mta_sts": "v=STSv1; id=21112025T000000", "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": [ "104.20.16.76", "172.66.152.97" ], "time_ms": 71.79 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "104.20.16.76", "172.66.152.97" ], "time_ms": 19.34 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "104.20.16.76", "172.66.152.97" ], "time_ms": 23.38 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "104.20.16.76", "172.66.152.97" ], "time_ms": 34.14 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "104.20.16.76", "172.66.152.97" ], "time_ms": 49.25 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "barbican.org.uk", "valid_from": "2026-07-20T07:13:23-05:00", "valid_to": "2026-10-18T07:13:22-05:00", "days_remaining": 69, "san": [ "*.barbican.org.uk", "barbican.org.uk" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.barbican.org.uk/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Mon, 10 Aug 2026 08:31:55 GMT", "content-type": "text/html; charset=UTF-8", "location": "https://www.barbican.org.uk/", "traceresponse": "00-18ca51210ece702ee1d9a0e340e24871-ee824d5f9440d0bf-01", "x-debug-info": "eyJyZXRyaWVzIjowfQ==", "x-platform-cluster": "huuturmhy7a6c-master-7rqtwti", "x-platform-router": "2l4o42x3cng27hljrzrnucmmfe", "accept-ranges": "bytes", "age": "6", "x-served-by": "cache-lhr-egll1980082-LHR, cache-chi-klot8100029-CHI", "x-cache": "HIT, MISS", "x-cache-hits": "31, 0", "strict-transport-security": "max-age=31557600", "vary": "Cookie, Origin, Accept-Encoding", "cf-cache-status": "HIT", "server": "cloudflare", "cf-ray": "a28da5a17c8be7f4-ORD", "content-language": "en", "expires": "Sun, 19 Nov 1978 05:00:00 GMT", "last-modified": "Mon, 10 Aug 2026 02:36:32 GMT", "link": "; rel=\"preload\"; as=\"font\"; type=\"font/woff2\"; crossorigin=\"\"", "x-content-type-options": "nosniff", "x-drupal-dynamic-cache": "HIT", "x-frame-options": "SAMEORIGIN", "x-platform-processor": "lndkx2yj5g7hhe6jmp3d7xvthq", "cache-control": "max-age=3600, public" }, "security_checks": { "strict-transport-security": true, "content-security-policy": false, "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.barbican.org.uk/", "title": "Welcome to the Barbican | Barbican", "description": "", "success": true, "error": "", "status": 206 }, "network": { "172.66.152.97": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "104.20.16.76": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "barbican-org-uk.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 1.2, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4019.6, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4032.4, "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": 95.57 }