{ "ok": true, "domain": "jaist.ac.jp", "generated_at": "2026-08-10T23:37:13-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 79, "label": "Good", "categories": { "dns": 80, "mail": 70, "security": 65, "network": 85, "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": 10, "lost_points": 0, "detail": "1 IPv6 address(es) detected." }, { "category": "dns", "title": "Name server redundancy", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "3 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": "2 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": 0, "lost_points": 20, "detail": "No tested DKIM selector responded." }, { "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": "155 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-master.jaist.ac.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": 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/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": "ok", "title": "IPv6 (AAAA)", "detail": "1 IPv6 address(es) detected.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "ok", "title": "Name server redundancy", "detail": "3 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": "2 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": "error", "title": "DKIM", "detail": "No tested DKIM selector responded.", "category": "mail", "max_points": 20, "earned_points": 0, "lost_points": 20 }, { "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": "155 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-master.jaist.ac.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": "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/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": [ "150.65.5.232" ], "AAAA": [ "2001:df0:2ed:8250::232" ], "CNAME": [], "MX": [ "30 mailrelayb-out.jaist.ac.jp.", "20 mailrelaya.jaist.ac.jp." ], "TXT": [ "\"aeyescan-activation=\" \"aeyescan-activation=dff79326db360d1f\"", "\"adobe-idp-site-verification=3b035dc8080ab39981da42841fdf89f1d8e5316667cd85cbfa3a49760aab5013\"", "\"AE7382A4F2680E6C9384C101A7B74BCD\"", "\"docusign=8524f635-ad06-4f7b-a6b6-386490eb12d7\"", "\"globalsign-domain-verification=nn5eh_eM5OIjj5S8_vVy7dtSC8PKuZC0xbXhBU4I6K\"", "\"adobe-idp-site-verification=38ad6dd0-b51c-43b3-9128-c2d3b84c6e77\"", "\"openai-domain-verification=dv-Q6Bkq9iCIr4tyinzcKKh8qNs\"", "\"MS=ms48876192\"", "\"zoho-verification=zb38449375.zmverify.zoho.com\"", "\"box-domain-verification=feebe852486bd1eba5a69ce1ed3cda1fe1d08044e7b37ca06ac8ee84afc5f1d7\"", "\"site24x7-signals-domain-verification=79288132e8da14ce95322026efb3f2af\"", "\"uEBlKh1uLKSIJLKS6sxwNceEstGtogEwP8s+6wNM9Os=\"", "\"google-site-verification=zaYcRHGLXlLYcY3z6yDDXeZtAOnqsIZAsxnzJwtrYq0\"", "\"securify-verification=1cd62da8660326c119dfa7ba44c29856\"", "\"0F05BBB214ED8F39E8E0C57F7C74EB65\"", "\"v=spf1 +ip4:150.65.19.48 +ip4:125.206.245.50 +ip6:2001:df0:2ed:8200::48 +ip6:2001:df0:2ed:8200::49 ?ip4:150.65.0.0/16 ?ip6:2001:df0:2ed::/48 -all\"" ], "NS": [ "fs2bk-mgr-ns-2024.jaist.ac.jp.", "dns-x.sinet.ad.jp.", "ns0.jaist.ac.jp." ], "SOA": [ "ns-master.jaist.ac.jp. hostmaster.jaist.ac.jp. 2150010432 3600 900 2419200 900" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "150.65.5.232" ], "ipv6": [ "2001:df0:2ed:8250::232" ] }, "mail": { "spf": "v=spf1 +ip4:150.65.19.48 +ip4:125.206.245.50 +ip6:2001:df0:2ed:8200::48 +ip6:2001:df0:2ed:8200::49 ?ip4:150.65.0.0/16 ?ip6:2001:df0:2ed::/48 -all", "dmarc": "v=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:postmaster-dmarc-rua@jaist.ac.jp", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 0, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "www-master.jaist.ac.jp", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "150.65.5.232" ], "time_ms": 41.33 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "150.65.5.232" ], "time_ms": 21.84 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "150.65.5.232" ], "time_ms": 242.36 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "150.65.5.232" ], "time_ms": 1040.17 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "150.65.5.232" ], "time_ms": 420.18 } ] } }, "ssl": { "available": true, "issuer": "GlobalSign nv-sa", "subject": "www.jaist.ac.jp", "valid_from": "2025-12-12T03:31:37-06:00", "valid_to": "2027-01-13T03:31:36-06:00", "days_remaining": 155, "san": [ "www.jaist.ac.jp", "jaist.ac.jp" ], "protocol": "TLSv1.2", "cipher": "ECDHE-ECDSA-AES256-GCM-SHA384" }, "http": { "url": "https://jaist.ac.jp/index.html", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "location": "/index.html", "connection": "close", "date": "Tue, 11 Aug 2026 04:37:04 GMT", "server": "Apache", "last-modified": "Mon, 10 Aug 2026 00:25:02 GMT", "etag": "\"10cd8-658a662a1aa83\"", "accept-ranges": "bytes", "content-length": "68824", "vary": "Accept-Encoding", "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": "Apache", "powered_by": "" }, "webpage": { "url": "https://jaist.ac.jp/", "title": "", "description": "", "success": false, "error": "OpenSSL SSL_read: error:0A000126:SSL routines::unexpected eof while reading, errno 0" }, "network": { "150.65.5.232": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mailrelayb-out.jaist.ac.jp", "ports": [ { "port": 25, "open": false, "time_ms": 169.5, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4193.1, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4190.7, "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": 112.55 }