{ "ok": true, "domain": "thomascook.com", "generated_at": "2026-08-10T22:10:44-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 74, "label": "Fair", "categories": { "dns": 70, "mail": 90, "security": 65, "network": 100, "availability": 60 }, "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": "6 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": 0, "lost_points": 10, "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": "85 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": 0, "lost_points": 35, "detail": "0 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: a23-200-156-20.deploy.static.akamaitechnologies.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": 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": 0, "lost_points": 40, "detail": "HTTP/2 403 " }, { "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": "6 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": "error", "title": "DNS propagation", "detail": "Agreement between public resolvers.", "category": "dns", "max_points": 10, "earned_points": 0, "lost_points": 10 }, { "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": "85 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": "error", "title": "HTTP security headers", "detail": "0 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 0, "lost_points": 35 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: a23-200-156-20.deploy.static.akamaitechnologies.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": "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": "error", "title": "HTTP response", "detail": "HTTP/2 403 ", "category": "availability", "max_points": 40, "earned_points": 0, "lost_points": 40 }, { "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": [ "23.200.156.20", "23.200.156.18" ], "AAAA": [ "2600:1407:7400:5f::17d1:5ee8", "2600:1407:7400:5f::17d1:5ee9" ], "CNAME": [], "MX": [ "10 smtp.google.com." ], "TXT": [ "\"MS=ms66373475\"", "\"k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjvLoSGaQ+tjM7bSmC7tI9xGsRRnlYYb3YYDXe1u7BOKATPJCGZ5PDf4StR17ZzDN6AHcSOfUqeivwrEFPqyEaw/FMZEzv9dzomom/vgWAlT55qUtNnF09nR2VfelM1G0UVNqmrTipUaweS1zp50xjuT92DgpIw61r9rdRYLFbMQIDAQAB\"", "\"d2lahvjt5jne9i.cloudfront.net\"", "\"tiktok-developers-site-verification=7ZG6wbtQMvdzzbcl6Hx3QpRc34dxCHSb\"", "\"QHgvdWsw9IqK0KvghOqDA1I0xZo6YQbkCVneDLOdC8M=\"", "\"rkddbrqyjkh4yvbkqm5ktgc5x1jcplky\"", "\"28hnvb6q65y8s73x5dj5hrxw9hl5qcjs\"", "\"mojecertpl-site-verification-h12rseN6efFoJK2BD7Tu34Ckxinx4DLH\"", "\"v=spf1 include:spf.protection.outlook.com include:spf.ssmx.net include:_spf.emaillabs.net.pl include:_spf.google.com -all\"", "\"anthropic-domain-verification-28263z=FaODbDdLZDgVVwotzvhbVLFil\"", "\"4lbun0lc0dmjgk0ol0bb5flrnh\"", "\"google-site-verification=PlZ7YgC-vitseHxngj-NYfEmtkyWumafgaYxdnIZjKQ\"", "\"MS=ms41797821\"", "\"MS=ms31863047\"", "\"google-site-verification=nTZ6a_PjfJJjx-i-1sd02hrZKW5esJE2f0601eb2ic0\"", "\"facebook-domain-verification=wv3jccfml3cs4meumrlx2ifi0exxyg\"", "\"notion-domain-verification=HmQn7QgHWuUcGUSFjRF3zb66rKUIGBGBRY3ZMTE2oJM\"", "\"pardot269772=1d6edbd85f7090b566a705e85d99f7d532bd340e860f5d19d34735e3d6970441\"", "\"MS=ms41831275\"", "\"vd9a15edu1jbbm4lqd8kkr6na1\"", "\"ubsiidq08v8fdtv22qriake821\"", "\"MS=ms53147880\"" ], "NS": [ "a6-66.akam.net.", "a5-65.akam.net.", "a1-156.akam.net.", "a24-67.akam.net.", "a7-67.akam.net.", "a4-64.akam.net." ], "SOA": [ "a1-156.akam.net. a24-67.akam.net. 2024092938 3600 600 604800 300" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "23.200.156.20", "23.200.156.18" ], "ipv6": [ "2600:1407:7400:5f::17d1:5ee8", "2600:1407:7400:5f::17d1:5ee9" ] }, "mail": { "spf": "v=spf1 include:spf.protection.outlook.com include:spf.ssmx.net include:_spf.emaillabs.net.pl include:_spf.google.com -all", "dmarc": "v=DMARC1;p=quarantine;rua=mailto:3f16f52397@rua.easydmarc.eu,mailto:dmarcchecksuk@thomascook.com;ruf=mailto:3f16f52397@ruf.easydmarc.eu,mailto:dmarcchecksuk@thomascook.com;fo=0:1:d:s;", "dkim_selector": "google", "dkim_host": "google._domainkey.thomascook.com", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm3Xbek+FLudym69YCdaASG+WjPsSnSlVstUhBsgpfVXyRU8ts5TzgvjhwXrdyn76xuDfP0rK+X8Gbm/wNNEA/VLnvrqwSSfZaT/yNizVPJ7d8+Awa8Lqm9BYwNsww/zigACevRQejsydsP2vNDbmJjf5C+54DTrhsO/+7fDwbtb/ZfStfRHi+tav2HHaQ6KiuRyOoPwRoP8CA3Yfel/m/lxA4ahsB9LJgFfyVftOU/ZLRnMjFmzS1k1MljY9j65jEZdt1lOoG0O1mVYktwNIhfjHjY2U0Eb/40OnLs07TinSxMl7nU9xmdNXX5t2g1oA8WFjjZIAgRMyyaPiUhrppQIDAQAB", "spf_analysis": { "valid": true, "lookups": 4, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "a23-200-156-20.deploy.static.akamaitechnologies.com", "propagation": { "consistent": false, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "23.213.186.197", "23.213.186.206" ], "time_ms": 69.06 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "23.213.53.44", "23.213.53.78" ], "time_ms": 59.22 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "23.211.127.10", "23.211.127.41" ], "time_ms": 56 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "23.213.186.197", "23.213.186.206" ], "time_ms": 31.26 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "23.206.172.65", "23.206.172.69" ], "time_ms": 57.59 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "www.thomascook.com", "valid_from": "2026-08-06T08:37:00-05:00", "valid_to": "2026-11-04T07:36:59-06:00", "days_remaining": 85, "san": [ "holidaypirates.thomascook.com", "links.thomascook.com", "meta.thomascook.com", "static.thomascook.com", "thomascook.com", "thomascook.pl", "www.thomascook.be", "www.thomascook.com", "www.thomascook.nl", "www.thomascook.pl", "www2.thomascook.com", "www2.thomascook.pl" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.thomascook.com/", "status": "HTTP/2 403 ", "http_version": "3", "headers": { "location": "https://www.thomascook.com/", "x-esky-path-name": "www-redirect", "x-esky-service-name": "www-gateway", "content-length": "370", "cache-control": "max-age=0", "date": "Tue, 11 Aug 2026 03:10:35 GMT", "alt-svc": "h3=\":443\"; ma=93600", "mime-version": "1.0", "content-type": "text/html" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": false, "x-frame-options": false, "referrer-policy": false, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "", "powered_by": "" }, "webpage": { "url": "https://www.thomascook.com/", "title": "Thomas Cook | Holidays 2026 / 2027 | Deposits from £19pp", "description": "Thomas Cook Holidays for 2026 & 2027. Book your perfect package holiday or city break deal with ATOL protection and low £19pp deposits.", "success": true, "error": "", "status": 206 }, "network": { "23.200.156.20": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "23.200.156.18": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "smtp.google.com", "ports": [ { "port": 25, "open": false, "time_ms": 44.2, "banner": "220 mx.google.com ESMTP 5614622812f47-4b1af810383si6733545b6e.120 - gsmtp", "error": "No connection" }, { "port": 465, "open": false, "time_ms": 4007.4, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.2, "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": 91.31 }