{ "ok": true, "domain": "caa.co.uk", "generated_at": "2026-08-09T21:30:03-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 84, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 84, "network": 65, "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": 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": "38 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": 19, "lost_points": 16, "detail": "5 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: aa089eb6179d1ae2b.awsglobalaccelerator.com" }, { "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": 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": "2 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": "38 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": "5 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 19, "lost_points": 16 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: aa089eb6179d1ae2b.awsglobalaccelerator.com", "category": "network", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "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": "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": [ "13.248.160.137", "76.223.34.124" ], "AAAA": [], "CNAME": [], "MX": [ "10 caa-co-uk.mail.protection.outlook.com." ], "TXT": [ "\"google-site-verification=zB8AoeouiMWfYdjNYaB15SJ-60ggMxGvAkAZqPXGwII\"", "\"_vnaxifhud69gf9wq38plp4dhmq036oe\"", "\"apple-domain-verification=8X3p3xQ06i8eTPLu\"", "\"tinfoil-site-verification: 64ce0afa9e4b6a1be8f413e886d8ef133009cb19=9d85f78963fed97ef514cbaf4a98d4e99b42387d\"", "\"MS=ms48700271\"", "\"globalsign-domain-verification=2686105B6E265E4C1201EF3BB1828A0A\"", "\"successfactors-site-verification=NGQ0MzNlNmRkNWY2N2NjOGY0MDUwNDIzZmNiM2RhMThlZTQ3ZjkyODliMzMwMzQwZWU5OWI1YjE4Njg1MmJhNQ==\"", "\"v=spf1 ip4:193.240.223.238 ip4:95.138.142.185 ip4:91.198.224.29 ip4:194.37.255.29 ip4:35.204.84.239 ip4:34.90.197.59 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.accessplanit.com include:_spf.cmail.ondemand.com include:_spf-dc\" \"57.sapsf.eu -all\"", "\"successfactors-site-verification=YjNjZWZlZmU2YWVmZTAzM2U1ZGI5MGFlZjQ2ZDAxYzY2NTNlNzRlZGY3NDgwZWQ3NmY0OWM5M2FhM2Y2YWFhZA==\"", "\"G8cDzO9BqixO1LuDb99GkgDcKwlpzUJFRo3v3h/DW1uGsADAU1S9tRqDZYyuwnvmxyfoTGP7o5wSZg1Ksl1qdA==\"", "\"6mr28CiBUrRSHSyOnF8RfAM0fgMCt5q1JKHu9RX2r0HWUgapZKoVi2D16PvSxWjnT5pEdjXNkW64PvPo/wcR5w==\"", "\"globalsign-domain-verification=e252dffdd4c71595c4319081ef65c513\"", "\"gumyeEQEYnVOug91/7F1VEbOR7OLUqBVnUELNKOoatXrRGUTdF6lWf/G8990LHIsaJeve1THfw75Gv/k/dnY4A==\"", "\"_globalsign-domain-verification=uUjFhLKtDQIJ8GTik2pL6ARIIqdxuRUcpEH81pJHvc\"", "\"anthropic-domain-verification-tc3n8g=6hHAvHjkUQgD3nhLsWMM1G2hH\"", "\"MS=ms79188112\"" ], "NS": [ "ns3-04.azure-dns.org.", "ns4-04.azure-dns.info.", "ns1-04.azure-dns.com.", "ns2-04.azure-dns.net." ], "SOA": [ "ns1-04.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "13.248.160.137", "76.223.34.124" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:193.240.223.238 ip4:95.138.142.185 ip4:91.198.224.29 ip4:194.37.255.29 ip4:35.204.84.239 ip4:34.90.197.59 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.accessplanit.com include:_spf.cmail.ondemand.com include:_spf-dc57.sapsf.eu -all", "dmarc": "v=DMARC1;p=reject;fo=1;rua=mailto:dmarc.rua@caa.co.uk;ruf=mailto:dmarc.ruf@caa.co.uk", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.caa.co.uk", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAytbxeVEwtfP5s/2M3TESisVpRJKm0xxeFjWSCYoBp4E0LeaXl0UMTQVksxMjfKydt/1ntwFqie540CB1v68hFXDi57ZHtqwvmuEuedYL0irzRmGTqYfTshLlhoqaA83Qv/bzA0SujTg2/sxw50oridx1HPLuloIlMsLV+fjIXjAZ8ZEZQHuVVnnrr7jQHvkZBUbFRTRqUKaD2qrlcP0lIBC5qHdw2TxnYW0N9lJZD+I6AI9pHk5xjdK1yYdvJQbXM9BBX1QejAxsQMpTD5aazV9zj+akIbYmJcAog4DcIE1RELV2zVvV98PYeXQ1sxPgnCUrTbc2JNkk0Z2NHbwWFQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 5, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "aa089eb6179d1ae2b.awsglobalaccelerator.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "13.248.160.137", "76.223.34.124" ], "time_ms": 43.4 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "13.248.160.137", "76.223.34.124" ], "time_ms": 53.51 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "13.248.160.137", "76.223.34.124" ], "time_ms": 253.87 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "13.248.160.137", "76.223.34.124" ], "time_ms": 64.22 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "13.248.160.137", "76.223.34.124" ], "time_ms": 123.87 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "caa.co.uk", "valid_from": "2026-06-19T15:21:49-05:00", "valid_to": "2026-09-17T15:21:48-05:00", "days_remaining": 38, "san": [ "caa.co.uk" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.caa.co.uk/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Mon, 10 Aug 2026 02:29:55 GMT", "content-type": "text/html; charset=utf-8", "content-length": "155", "location": "https://www.caa.co.uk/", "er-request-id": "f9a216a95bdb8422498ced528a62e260", "pragma": "no-cache", "cache-control": "no-store, max-age=0", "x-content-type-options": "nosniff", "er-rule-id": "r-357c29c0-0e54-4c8d-a9d5-b707d4ec2383", "server": "urllo", "strict-transport-security": "max-age=63072000; includeSubDomains; preload", "content-security-policy": "default-src 'none'; frame-ancestors 'self'; base-uri 'self'; form-action 'self'; style-src 'self'; font-src 'self' fonts.gstatic.com; frame-src 'self' www.google.com www.youtube.com www.googletagmanager.com; connect-src 'self' *.google-analytics.com ginfoapi.caa.co.uk aircraftapi.caa.co.uk *.google.com *.clarity.ms; img-src 'self' data: www.google-analytics.com www.googletagmanager.com; script-src 'self' www.google.com www.gstatic.com *.google-analytics.com *.googletagmanager.com *.clarity.ms; manifest-src 'self';", "referrer-policy": "no-referrer-when-downgrade", "permissions-policy": "accelerometer=(),camera=(),geolocation=(),gyroscope=(),magnetometer=(),microphone=(),payment=(),usb=()", "x-azure-ref": "20260810T022955Z-r1b87f4d9cbm56c6hC1CHI221w0000000bcg000000003dge", "x-fd-int-roxy-purgeid": "68", "x-cache-info": "L2_T2", "x-cache": "TCP_REMOTE_HIT" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "x-frame-options": false, "referrer-policy": true, "permissions-policy": true, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "urllo", "powered_by": "" }, "webpage": { "url": "https://www.caa.co.uk/", "title": "UK Civil Aviation Authority", "description": "The UK Civil Aviation Authority (CAA), the UK’s independent aerospace regulator, protects people and enables aviation. Provides guidance and services for passengers, pilots, aerodrome operators, airlines, commercial and general aviation operators, drone users, aerospace and spaceflight organisations, and aviation industry professionals.", "success": true, "error": "", "status": 200 }, "network": { "13.248.160.137": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "76.223.34.124": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "caa-co-uk.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 36.1, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4242.9, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4054, "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": 80.53 }