{ "ok": true, "domain": "metu.edu.tr", "generated_at": "2026-08-09T20:05:51-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 28, "label": "Critical", "categories": { "dns": 40, "mail": 70, "security": 0, "network": 0, "availability": 20 }, "category_weights": { "dns": 25, "mail": 20, "security": 25, "network": 10, "availability": 20 }, "items": [ { "category": "dns", "title": "IPv4 (A)", "max_points": 30, "earned_points": 0, "lost_points": 30, "detail": "0 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": "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": 0, "lost_points": 55, "detail": "No valid certificate was retrieved." }, { "category": "security", "title": "Certificate lifetime", "max_points": 10, "earned_points": 0, "lost_points": 10, "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": 0, "lost_points": 30, "detail": "PTR not detected." }, { "category": "network", "title": "IPv4 diversity", "max_points": 35, "earned_points": 0, "lost_points": 35, "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": 0, "lost_points": 40, "detail": "At least one address family must resolve." }, { "category": "availability", "title": "HTTP response", "max_points": 40, "earned_points": 0, "lost_points": 40, "detail": "No successful HTTP response." }, { "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": "error", "title": "IPv4 (A)", "detail": "0 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 0, "lost_points": 30 }, { "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": "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": "error", "title": "Valid TLS certificate", "detail": "No valid certificate was retrieved.", "category": "security", "max_points": 55, "earned_points": 0, "lost_points": 55 }, { "level": "error", "title": "Certificate lifetime", "detail": "Full points require at least 30 days remaining.", "category": "security", "max_points": 10, "earned_points": 0, "lost_points": 10 }, { "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": "error", "title": "PTR reverse DNS", "detail": "PTR not detected.", "category": "network", "max_points": 30, "earned_points": 0, "lost_points": 30 }, { "level": "error", "title": "IPv4 diversity", "detail": "Two or more IPv4 addresses receive full points.", "category": "network", "max_points": 35, "earned_points": 0, "lost_points": 35 }, { "level": "error", "title": "IPv6 connectivity", "detail": "AAAA availability.", "category": "network", "max_points": 35, "earned_points": 0, "lost_points": 35 }, { "level": "error", "title": "DNS resolution", "detail": "At least one address family must resolve.", "category": "availability", "max_points": 40, "earned_points": 0, "lost_points": 40 }, { "level": "error", "title": "HTTP response", "detail": "No successful HTTP response.", "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": [ ";; communications error to 69.64.44.20#53: timed out", ";; communications error to 69.64.44.50#53: timed out", "; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> metu.edu.tr A +short +time=1 +tries=1", ";; global options: +cmd", ";; no servers could be reached" ], "AAAA": [], "CNAME": [], "MX": [ "10 kale.general.services.metu.edu.tr.", "10 varya.general.services.metu.edu.tr." ], "TXT": [ "\"google-site-verification=YMaN8hltMVe-BO0Rc6LnjGGx2m_OAPbW6xi8zgDwm5w\"", "\"tiktok-developers-site-verification=gv9mRYqnpzzxt0Vtm8oaw8dnqpgtAO9W\"", "\"v=spf1 ip4:144.122.144.0/23 ip4:144.122.198.0/24 ip4:144.122.199.128/25 ip4:144.122.201.0/24 ~all\"", "\"google-site-verification=G0YvnC0HstTlo9oBfpP82bpAgfW-27qKPI4TGFKJZmg\"", "\"Orta Dogu Teknik Universitesi\"", "\"Middle East Technical University\"", "\"MS=ms13737683\"", "\"NM848M2U3JTVYZ1TCMVXL7IUE1TX6WO72GV2EIMP\"", "\"adobe-idp-site-verification=0d01a89578158e2a0362446be31f4bc4b196b9ecc02b89686ce25c02411fcf4b\"" ], "NS": [ ";; communications error to 69.64.44.20#53: timed out", "ns1.metu.edu.tr.", "ns2.metu.edu.tr." ], "SOA": [ ";; communications error to 69.64.44.20#53: timed out", "ns1.metu.edu.tr. hostmaster.metu.edu.tr. 1786274402 43200 3600 1209600 86400" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [], "ipv6": [] }, "mail": { "spf": "v=spf1 ip4:144.122.144.0/23 ip4:144.122.198.0/24 ip4:144.122.199.128/25 ip4:144.122.201.0/24 ~all", "dmarc": "v=DMARC1; p=none; rua=mailto:ccreport@metu.edu.tr; ruf=mailto:ccreport@metu.edu.tr; fo=1;", "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": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "144.122.145.153" ], "time_ms": 35.22 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "144.122.145.153" ], "time_ms": 833.27 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "144.122.145.153" ], "time_ms": 182.4 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "144.122.145.153" ], "time_ms": 31.23 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "144.122.145.153" ], "time_ms": 1046.9 } ] } }, "ssl": { "available": false, "issuer": "", "subject": "", "valid_from": "", "valid_to": "", "days_remaining": null, "san": [], "protocol": "", "cipher": "", "error": "Connection timed out" }, "http": { "url": "https://metu.edu.tr/", "status": "", "http_version": "0", "headers": [], "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://metu.edu.tr/", "title": "", "description": "", "success": false, "error": "Connection timeout after 5000 ms" }, "network": [], "smtp": { "host": "kale.general.services.metu.edu.tr", "ports": [ { "port": 25, "open": false, "time_ms": 0.9, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4019, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020, "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": 82.96 }