{ "ok": true, "domain": "jtb.co.jp", "generated_at": "2026-08-10T17:38:51-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 79, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 65, "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": "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": 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": "76 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: ec2-35-74-105-176.ap-northeast-1.compute.amazonaws.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": "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": "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": "76 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: ec2-35-74-105-176.ap-northeast-1.compute.amazonaws.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": [ "35.74.105.176", "54.168.183.217" ], "AAAA": [], "CNAME": [], "MX": [ "10 jtb-co-jp.mail.protection.outlook.com." ], "TXT": [ "\"HO4ab5UUZgK4ZAhXr9XS9i7KEfGycF\"", 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"\"kfg18sta2phe17197qmc4ecuhv\"", "\"google-site-verification=ZVDsjOZjGFwL4GJJDKuygYLpVz5Nr_Bxt66x7q2RDnY\"", "\"google-site-verification=Ct5XaQ6xNqXIX2STuahoVA05LORFggJz-bLSM3dcvoo\"", "\"r8pncapi0ciu2ed2vqu91mblr3\"" ], "NS": [ "ns00.vips.ne.jp.", "ns01.vips.ne.jp." ], "SOA": [ "ns00.vips.ne.jp. helpdesk.jens.jp. 2026081002 10800 1800 1209600 3600" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "35.74.105.176", "54.168.183.217" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:52.196.62.145 ip4:54.178.96.226 ip4:124.109.181.7 ip4:164.46.203.94 ip4:165.76.179.0/25 ip4:167.89.57.37 ip4:167.89.57.55 ip4:167.89.57.48 ip4:149.72.1.137 ip4:149.72.1.148 ip4:149.72.1.153 ip4:149.72.1.142 ip4:149.72.1.143 ip4:149.72.1.146 ip4:149.72.34.16 ip4:150.66.56.107 ip4:150.66.57.167 include:spf.maildealer.jp include:spf.ecbeing.co.jp include:smp.ne.jp include:amazonses.com ~all", "dmarc": "v=DMARC1; p=none; pct=100; 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"server": "1.1.1.1", "result": [ "35.74.105.176", "54.168.183.217" ], "time_ms": 384.69 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "35.74.105.176", "54.168.183.217" ], "time_ms": 414.17 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "35.74.105.176", "54.168.183.217" ], "time_ms": 619.24 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "35.74.105.176", "54.168.183.217" ], "time_ms": 411.32 } ] } }, "ssl": { "available": true, "issuer": "Cybertrust Japan Co., Ltd.", "subject": "*.jtb.co.jp", "valid_from": "2026-04-12T19:19:29-05:00", "valid_to": "2026-10-26T09:59:00-05:00", "days_remaining": 76, "san": [ "*.jtb.co.jp", "jtb.co.jp" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://www.jtb.co.jp:443/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "Microsoft-IIS", "date": "Mon, 10 Aug 2026 22:38:41 GMT", "content-type": "text/html", "content-length": "450407", "location": "https://www.jtb.co.jp:443/", "x-powered-by": "ASP.NET", "cache-control": "private", "set-cookie": "ASPSESSIONIDSSSDBTQS=MGAEIBCBELFHFGKMAHHJALFG; path=/; HttpOnly; Secure; SameSite=Lax", "x-jtbsp": "False", "x-cache": "Miss from cloudfront", "via": "1.1 5189029a2fd867aafceb69b934089dca.cloudfront.net (CloudFront)", "x-amz-cf-pop": "ORD58-P14", "x-amz-cf-id": "kBsTh_ySlO2RQ8DWYYfzcfqp-GsCt9AbdEZqz0fDTKYndJpQ4lBT2A==" }, "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": "Microsoft-IIS", "powered_by": "ASP.NET" }, "webpage": { "url": "https://www.jtb.co.jp:443/", "title": "JTB公式｜海外旅行・国内旅行｜ツアー・ホテル・旅館・宿の予約サイト", "description": "旅行予約はＪＴＢ！安心と信頼の海外ツアー「ルックＪＴＢ」や、高級ホテル・旅館から格安プランまで揃った国内ツアー「エースＪＴＢ」のほか、格安航空券やオプショナルツアー、レストラン予約まで。旅を楽しくする多彩なラインナップが満載！", "success": true, "error": "", "status": 200 }, "network": { "35.74.105.176": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "54.168.183.217": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "jtb-co-jp.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 27.4, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4043.5, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.3, "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": 92.86 }