{ "ok": true, "domain": "okfn.de", "generated_at": "2026-08-09T14:33:43-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 83, "label": "Good", "categories": { "dns": 80, "mail": 90, "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": "6 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": "43 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: static.88-198-51-30.clients.your-server.de" }, { "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/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": "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": "6 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": "43 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: static.88-198-51-30.clients.your-server.de", "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/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": [ "88.198.51.30" ], "AAAA": [ "2a01:4f8:222:a::2" ], "CNAME": [], "MX": [ "5 alt2.aspmx.l.google.com.", "5 alt1.aspmx.l.google.com.", "1 aspmx.l.google.com.", "10 alt3.aspmx.l.google.com.", "10 alt4.aspmx.l.google.com." ], "TXT": [ "\"v=spf1 a mx include:_spf.google.com include:spf.smtp.net include:spf.dotplex.com a:brandt.okfn.de ~all\"", "\"Sendinblue-code:79744be74108616d77f546abf59d16ed\"", "\"google-site-verification=bsJNtlXIK74DizjBdqDJDvz1dguyvrO4iWuGVnMBHQs\"", "\"apple-domain-verification=SWuzuv04fQFCzBYt\"", "\"MS=799A4E27E4935514FF098A4AB0EED884D3A75046\"" ], "NS": [ "ns12.dnsmadeeasy.com.", "ns13.dnsmadeeasy.com.", "ns15.dnsmadeeasy.com.", "ns11.dnsmadeeasy.com.", "ns10.dnsmadeeasy.com.", "ns14.dnsmadeeasy.com." ], "SOA": [ "ns10.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2009013203 43200 3600 1209600 180" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "88.198.51.30" ], "ipv6": [ "2a01:4f8:222:a::2" ] }, "mail": { "spf": "v=spf1 a mx include:_spf.google.com include:spf.smtp.net include:spf.dotplex.com a:brandt.okfn.de ~all", "dmarc": "v=DMARC1; p=reject; rua=mailto:dmarc_reports@okfn.de; ruf=mailto:dmarc_reports@okfn.de; rf=afrf; pct=100; ri=86400", "dkim_selector": "mail", "dkim_host": "mail._domainkey.okfn.de", "dkim": "k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z+FApQ6ra2VsXfbJP3HE6wAO0YTVEJt1TmeczhEd2Jiz/fcabIISgXEdSpTYJhb0ct0VJRxcg4c8c7wIDAQAB", "spf_analysis": { "valid": true, "lookups": 6, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "static.88-198-51-30.clients.your-server.de", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "88.198.51.30" ], "time_ms": 72.64 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "88.198.51.30" ], "time_ms": 79.16 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "88.198.51.30" ], "time_ms": 302.7 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "88.198.51.30" ], "time_ms": 45.23 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "88.198.51.30" ], "time_ms": 316.49 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "okfn.de", "valid_from": "2026-06-24T01:17:18-05:00", "valid_to": "2026-09-22T01:17:17-05:00", "days_remaining": 43, "san": [ "okfn.de", "www.okfn.de" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://okfn.de/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "nginx", "date": "Sun, 09 Aug 2026 19:33:35 GMT", "content-type": "text/html; charset=utf-8", "content-length": "51034", "last-modified": "Sun, 09 Aug 2026 03:29:25 GMT", "etag": "\"6a77f415-c75a\"", "accept-ranges": "bytes" }, "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": "nginx", "powered_by": "" }, "webpage": { "url": "https://okfn.de/", "title": "OKF - Open Knowledge Foundation Deutschland e.V.", "description": "Open Knowledge Foundation Deutschland e. V.", "success": true, "error": "", "status": 200 }, "network": { "88.198.51.30": { "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": 4019.2, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4013.8, "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": 95.3 }