{ "ok": true, "domain": "gnavi.co.jp", "generated_at": "2026-08-09T09:00:39-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 77, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 65, "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": "5 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": "32 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: www.gnavi.jp" }, { "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/1.1 200 OK" }, { "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": "5 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": "32 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: www.gnavi.jp", "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/1.1 200 OK", "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": [ "103.129.28.29" ], "AAAA": [], "CNAME": [], "MX": [ "5 alt2.aspmx.l.google.com.", "1 aspmx.l.google.com.", "5 alt1.aspmx.l.google.com.", "10 alt4.aspmx.l.google.com.", "10 alt3.aspmx.l.google.com." ], "TXT": [ "\"google-site-verification=NZAhgepkg4UA1u6u8x1WzraD9Qnyf65j9UxPm-KIWrI\"", "\"anthropic-domain-verification-38emch=taU0XWvJzyUFTyV9rI8dR4ptE\"", "\"jamf-site-verification=SYpV_BfiO4ECMt3UNSQnrg\"", "\"apple-domain-verification=H1eFMVSkarTDU0YL\"", "\"google-site-verification=IbZjA2lQ6fRTKzFigL-Uc2VUjNG3lkPN_EyAosJFolU\"", "\"MS=ms90639686\"", "\"v=spf1 ip4:103.129.28.0/22\" \" +ip4:158.201.246.0/27 +ip4:158.201.242.0/27 include:_spf.google.com include:spf-bma.mpme.jp\" \" include:spf.gnavi.smtps.jp ip4:180.214.48.32/27 include:spf.gnavi-consumer.smtps.jp ~all\"", "\"nLJYodj68vyTRAXr8NPP632xiaNMME\"", "\"google-site-verification=GIY8OJ2shK6kgrp-9j37ElJfiHfhl9e4Uuffuk7Onlg\"", "\"worksmobile-certification=yyuvjns7f99uc3eyln-wajgj1ssrdwwmx-2ugdkwv5g\"", "\"atlassian-domain-verification=eYVUdiYiYwfE/pb6lcQoJUGap6ClIVRaZrMihCdox0aSb7MKdNi/se/2c1uvna4q\"", "\"atlassian-sending-domain-verification=1b4e830e-94fa-4161-a15d-e0a6539db567\"" ], "NS": [ "ns-887.awsdns-46.net.", "ns-1067.awsdns-05.org.", "ns-110.awsdns-13.com.", "ns-2019.awsdns-60.co.uk." ], "SOA": [ "ns-110.awsdns-13.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "103.129.28.29" ], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:103.129.28.0/22 +ip4:158.201.246.0/27 +ip4:158.201.242.0/27 include:_spf.google.com include:spf-bma.mpme.jp include:spf.gnavi.smtps.jp ip4:180.214.48.32/27 include:spf.gnavi-consumer.smtps.jp ~all", "dmarc": "v=DMARC1; p=none;", "dkim_selector": "s1", "dkim_host": "s1._domainkey.gnavi.co.jp", "dkim": "k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDUhoWB3KzhiaglyiJnJOyWQr6+wcQA5O4zMOOVbAOTSHnSd7Yi0fR++0H2N/QRJDWA3QR894VDvu4pO5L3BFSsAJEqCfDW/LSQ4LBny6An5cTbewatMnUWA7qVVwIBO5C5XUVC/tXqF/rrHULQ90Nzvs5u+VjWUkxV4kMZT1TPbQIDAQAB", "spf_analysis": { "valid": true, "lookups": 4, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "www.gnavi.jp", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "103.129.28.29" ], "time_ms": 72.94 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "103.129.28.29" ], "time_ms": 76.22 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "103.129.28.29" ], "time_ms": 67.25 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "103.129.28.29" ], "time_ms": 98.24 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "103.129.28.29" ], "time_ms": 142.51 } ] } }, "ssl": { "available": true, "issuer": "Cybertrust Japan Co., Ltd.", "subject": "*.gnavi.co.jp", "valid_from": "2025-08-12T00:09:32-05:00", "valid_to": "2026-09-10T09:59:00-05:00", "days_remaining": 32, "san": [ "*.gnavi.co.jp", "gnavi.co.jp" ], "protocol": "TLSv1.2", "cipher": "ECDHE-RSA-AES128-GCM-SHA256" }, "http": { "url": "https://www.gnavi.co.jp/", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "date": "Sun, 09 Aug 2026 14:00:28 GMT", "server": "Apache", "location": "https://www.gnavi.co.jp/", "content-type": "text/html; charset=UTF-8", "set-cookie": "wwwhome_session=eyJpdiI6Iml6cmxKSXlWR3ZcL2FoYkFNSStwWndBPT0iLCJ2YWx1ZSI6Iis0N1Bqcnp0UElPVnd3c3JQREdRcTJ4UmN4REk3ZDBTbEIzMFI2NVZXU2grN29GYXorWFRsZFwvQnVWOFkyNGdBIiwibWFjIjoiNGE3NzY1ZDI1YTIyNjY0YTU4Mzk5MjVlMWQ0MGUyNWQ2ZWE2NmU2NWQ4ZTNkMTBlOGY4OTQwYzE1ZWVkN2E4NCJ9; expires=Sun, 09-Aug-2026 16:00:28 GMT; Max-Age=7200; path=/; httponly", "cache-control": "no-cache, private", "access-control-allow-credentials": "true", "access-control-allow-origin": "*", "access-control-allow-methods": "GET, POST, OPTIONS", "access-control-allow-headers": "Origin, Authorization, Accept,Accept-Language,Content-Language, Content-Type" }, "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": "Apache", "powered_by": "" }, "webpage": { "url": "https://www.gnavi.co.jp/", "title": "ぐるなび - レストラン・宴会予約 グルメ情報サイト", "description": "レストラン予約サイト【ぐるなび】なら、ネット予約で楽天ポイントが貯まる！エリア、駅名、予算などの条件から希望のお店をスピーディに検索、予約ができます。お得なクーポン情報や最新レストラン情報も満載なので、歓送迎会・宴会のお店探しにもオススメ！", "success": true, "error": "", "status": 200 }, "network": { "103.129.28.29": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "alt2.aspmx.l.google.com", "ports": [ { "port": 25, "open": false, "time_ms": 0.8, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4018.7, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4006.9, "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": 106.29 }