{ "ok": true, "domain": "uoc.gr", "generated_at": "2026-08-10T12:51:14-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 75, "label": "Good", "categories": { "dns": 80, "mail": 90, "security": 65, "network": 85, "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": "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": "5 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": 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: www.uoc.gr" }, { "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": 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": "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": "5 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": "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: www.uoc.gr", "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": "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": [ "147.52.201.74" ], "AAAA": [ "2001:648:2c00:50::1" ], "CNAME": [], "MX": [ "50 mx02.uoc.gr.", "50 mx01.uoc.gr." ], "TXT": [ "\"google-site-verification=tuFV5C0Vyj1juzAQbAcJhmgKIAzX3pl6CfZRL4Q7EHQ\"", "\"HARICA-mQCA5z9nDXS5W4SABrQ\"", "\"cisco-ci-domain-verification=6bee6a8a4e5c5e8eeb0e1e7c9f241c31642a91db87b3fe32027bd315b700a958\"", "\"MS=ms85259799\"", "\"v=spf1 a:mx01.uoc.gr a:mx02.uoc.gr a:mx03.uoc.gr a:mx04.uoc.gr a:mx05.uoc.gr a:mx06.uoc.gr a:mx07.uoc.gr\" \" a:mx08.uoc.gr ip4:147.52.201.192/26 -all\"", "\"google-site-verification=l-xF3_mzmsbgbbWqNdIOmRWO0K8vdfjn4GBo42OxeMU\"", "\"HARICA-MwnGJwEAn23m3Brtayc\"", "\"University of Crete\"", "\"HARICA-0SDQAsoaOi4ji0dHoZi\"" ], "NS": [ "ns2.uoc.gr.", "sns0.grnet.gr.", "estia.csi.forth.gr.", "ns.uoc.gr.", "sns1.grnet.gr." ], "SOA": [ "ns.uoc.gr. gvas.ucnet.uoc.gr. 2026080400 28800 14400 86400 28800" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "147.52.201.74" ], "ipv6": [ "2001:648:2c00:50::1" ] }, "mail": { "spf": "v=spf1 a:mx01.uoc.gr a:mx02.uoc.gr a:mx03.uoc.gr a:mx04.uoc.gr a:mx05.uoc.gr a:mx06.uoc.gr a:mx07.uoc.gr a:mx08.uoc.gr ip4:147.52.201.192/26 -all", "dmarc": "v=DMARC1; p=none; adkim=r; aspf=r; sp=none; rua=mailto:postmaster@uoc.gr; ruf=mailto:postmaster@uoc.gr", "dkim_selector": "default", "dkim_host": "default._domainkey.uoc.gr", "dkim": "v=DKIM1; k=rsa; s=email; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDkqDjk3iDxJhNJXxKmxKSX3NHjZUvJb7WkCT1ts5TQEmZ2sVxijMfZztqpxDLa/8WcLYO8vji21YVtzjZuT5PVYQe9B1MyTAJyq3Lvil9MkfM+rN7OJEWlReJU5DQ0L9s3+lZmd4bzTbmoGW3zYVHOuuyUqUks+NnMFLqB8kgtBwIDAQAB", "spf_analysis": { "valid": true, "lookups": 8, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "www.uoc.gr", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "147.52.201.74" ], "time_ms": 61.39 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "147.52.201.74" ], "time_ms": 385.02 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "147.52.201.74" ], "time_ms": 30.11 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "147.52.201.74" ], "time_ms": 875.56 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "147.52.201.74" ], "time_ms": 67.35 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "www.uoc.gr", "valid_from": "2026-08-06T07:13:14-05:00", "valid_to": "2026-11-04T06:13:13-06:00", "days_remaining": 85, "san": [ "www.uoc.gr" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://uoc.gr/", "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://uoc.gr/", "title": "", "description": "", "success": false, "error": "SSL: no alternative certificate subject name matches target host name 'uoc.gr'" }, "network": { "147.52.201.74": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mx02.uoc.gr", "ports": [ { "port": 25, "open": false, "time_ms": 149.9, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 152.4, "banner": "", "error": "No route to host" }, { "port": 587, "open": false, "time_ms": 157.9, "banner": "", "error": "No route to host" } ] }, "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": 102.98 }