{ "ok": true, "domain": "seld.be", "generated_at": "2026-08-09T23:57:03-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 88, "label": "Good", "categories": { "dns": 95, "mail": 90, "security": 65, "network": 100, "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": "4 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "4 IPv6 address(es) detected." }, { "category": "dns", "title": "Name server redundancy", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "2 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": 15, "lost_points": 0, "detail": "DS and DNSKEY detected." }, { "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": "7 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": "38 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: cdn-185-199-110-153.github.com" }, { "category": "network", "title": "IPv4 diversity", "max_points": 35, "earned_points": 35, "lost_points": 0, "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": "4 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "4 IPv6 address(es) detected.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "ok", "title": "Name server redundancy", "detail": "2 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": "ok", "title": "DNSSEC chain", "detail": "DS and DNSKEY detected.", "category": "dns", "max_points": 15, "earned_points": 15, "lost_points": 0 }, { "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": "7 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": "38 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: cdn-185-199-110-153.github.com", "category": "network", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv4 diversity", "detail": "Two or more IPv4 addresses receive full points.", "category": "network", "max_points": 35, "earned_points": 35, "lost_points": 0 }, { "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": [ "185.199.110.153", "185.199.111.153", "185.199.109.153", "185.199.108.153" ], "AAAA": [ "2606:50c0:8003::153", "2606:50c0:8001::153", "2606:50c0:8002::153", "2606:50c0:8000::153" ], "CNAME": [], "MX": [ "10 aspmx3.googlemail.com.", "10 aspmx4.googlemail.com.", "10 aspmx5.googlemail.com.", "10 aspmx2.googlemail.com.", "5 alt2.aspmx.l.google.com.", "5 alt1.aspmx.l.google.com.", "1 aspmx.l.google.com." ], "TXT": [ "\"v=spf1 mx include:_spf.google.com ~all\"" ], "NS": [ "ns106.ovh.net.", "dns106.ovh.net." ], "SOA": [ "dns106.ovh.net. tech.ovh.net. 2084883753 86400 3600 3600000 300" ], "CAA": [], "DS": [ "61741 8 2 289AB2A5AFBC124CD359C8923FDF458437E5276A24FB5559D722717F F4B7542E" ], "DNSKEY": [ "256 3 8 AwEAAcEyUtvb0L9cw3zTt6titDi3FcM4iQefgSQG2PkNgoAKHtxZ/TDH XyuojXbyl22RFvnBVAtDvAZNS5H8HMw73PKMHBSMXSmzat2l7EdeVNzM QwAXRZ7UQDbgBaddUXqwGWv/xN6DpjF9H/yYPqkglDpTyhU0pHNudkqt CoU1esp7", "257 3 8 AwEAAdkuUJgFzfcBt6AOSkbVQpRtekOHcuWGiXKtAP/tjuvszLaxqa9p f1+w1nylupNTd9Ivc7iwLxRfx5zqW/SUcgmn/0EAPQkq8IU3XdTGSzFD joJ1H4aZcMBiFtO0o3J4diM/KS6xm1VOUyw3X+lfWcgx9J58xiQlBEu4 BHpYJonDsNRx8giQc/ov3cv8TP/vCo22bCuT8ipXjedHzJNAr0dHLZ2j Yu4r363LA0rKLu5BGDkHGXlZBmE1SpMQkN3tTP7GXTuTwgMhgUaY66Ix smMJOJVxYJzYQZgl9t9XGCgtf5ykVDrLpbXvorYRcWjcGXiVd85Rkmrb JPvA5FLMWt8=" ], "RRSIG": [ "SOA 8 2 600 20260823080234 20260724080234 55609 seld.be. CVuT9mxEyjA4lomtcsmLD1cN97Ke0s8e3k/tx1Lw1EB/rRADg04nhTk8 9lyNjNDAXjpQmKNY9xWeo+cfmfdXnM21f85V/k/w9zuj8L0oo6dLgHpz PcCuED8AhjmD/j/avtrYW7I0uWLkYReWAaiqRcQ3I+b3PNoFZnDz7gTc cTM=", "NS 8 2 600 20260823080234 20260724080234 55609 seld.be. MhtezObWy9193VQQzfOFFU1AIJmJ8T0EijXy0MnfbeuywKXuLMZzv5P+ ArXccJIY2lifOzruiako8VortULgQsWzFCfHTFpGa+DHL72o1vQrv0uh 1G1HKXzaJrSTr8AKaKmFaY0Fz5N2Jdtxd+QZ6MfhTM8/lPv06Qd56gN0 DWI=", "MX 8 2 600 20260823080234 20260724080234 55609 seld.be. N+0D6DUs/wPRllMSSZRc0ozpjDkqHNAH2eEEQzWkui+cnm3CwStWQ5H0 JYY2fU57u4NthQpfuvw8bt+CHnNBuhUsUha1y7WbVivbb3Q9z/z5pRaJ oME6n+uCYoYrb0Oc1cu9m1XrMtM7cm4awsG/u+wadUQm9edbyyr7v3xv tWg=", "A 8 2 600 20260823080234 20260724080234 55609 seld.be. FbF02FSIirbrYpAzko6sF7POODK8GqzpBH7yWj+5cQFrnmy7mZdG1UTK OspWRY2UT5Psc4Nu/lUV4R23qflQg3VdD5uAN/nLJKtkHnzvLLu5esW0 y4TWn4NMxrfGWIN9asvFjFuBNAiWfaObeT1jJREzAw7cfLMg7szV5+EL b28=", "DS 13 2 86400 20260824054022 20260802191038 47679 be. GekmiCuWzld3oBTxmu2uCrD/1500KfBHBqjn2kYu4UutYIHkgTmYo5qI bQGBO7tLTOUDbT/FqYznWivaPKPfAw==" ], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "185.199.110.153", "185.199.111.153", "185.199.109.153", "185.199.108.153" ], "ipv6": [ "2606:50c0:8003::153", "2606:50c0:8001::153", "2606:50c0:8002::153", "2606:50c0:8000::153" ] }, "mail": { "spf": "v=spf1 mx include:_spf.google.com ~all", "dmarc": "v=DMARC1;p=quarantine;pct=100;rua=mailto:re+vqopmi5smdb@dmarc.postmarkapp.com;sp=reject;aspf=r;", "dkim_selector": "google", "dkim_host": "google._domainkey.seld.be", "dkim": "v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsQUnNteMwEdOhPQXns1fbY2aqsitBlW3OL9OAYst1l29SpnGErToFCD57qe5xFUpgfe3nXYgsIidX/W20GVDe/7EfrHOpT2Qi5w5TAt7r5AvgUWVpS2h3MvbI0nCH/3ctzH8gC24OOeXDspS3Iyier8nx6Fo4lyb5OLFS2zTELWmYBZQuBX7IdfrYTxal8L/71CitCZPoDx6z8QW5Sm0V5tki8WhCWNeugneNDneHlpW2bAhQ5ETWVzrNNhAytzT9+oiGQzd6B7iIJhsB79M+nWOERdTCkuPbfADLwOdOC8QCsMk5Z1lAG5rnhYx/DlIHzXqm/VjSho63sqiXxs9BwIDAQAB;", "spf_analysis": { "valid": true, "lookups": 2, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "cdn-185-199-110-153.github.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "185.199.108.153", "185.199.109.153", "185.199.110.153", "185.199.111.153" ], "time_ms": 277.27 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "185.199.108.153", "185.199.109.153", "185.199.110.153", "185.199.111.153" ], "time_ms": 248.01 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "185.199.108.153", "185.199.109.153", "185.199.110.153", "185.199.111.153" ], "time_ms": 268.32 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "185.199.108.153", "185.199.109.153", "185.199.110.153", "185.199.111.153" ], "time_ms": 311.75 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "185.199.108.153", "185.199.109.153", "185.199.110.153", "185.199.111.153" ], "time_ms": 403.49 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "seld.be", "valid_from": "2026-06-19T21:48:23-05:00", "valid_to": "2026-09-17T21:48:22-05:00", "days_remaining": 38, "san": [ "seld.be", "www.seld.be" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://seld.be/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "GitHub.com", "content-type": "text/html; charset=utf-8", "last-modified": "Thu, 04 Jun 2026 12:05:25 GMT", "access-control-allow-origin": "*", "etag": "\"6a216a05-4279\"", "expires": "Mon, 10 Aug 2026 05:06:54 GMT", "cache-control": "max-age=600", "x-proxy-cache": "MISS", "x-github-request-id": "1618:0A62:306DE74:38C1293:6A795A15", "x-github-edge-region": "iad", "accept-ranges": "bytes", "date": "Mon, 10 Aug 2026 04:56:54 GMT", "via": "1.1 varnish", "age": "0", "x-served-by": "cache-stl760054-STL", "x-cache": "HIT", "x-cache-hits": "1", "x-timer": "S1786337815.710007,VS0,VE1", "vary": "Accept-Encoding", "x-fastly-request-id": "919dd58e089305b10075f4b18f9057db2f81fb99", "content-length": "17017" }, "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": "GitHub.com", "powered_by": "" }, "webpage": { "url": "https://seld.be/", "title": "Jordi's Ramblings", "description": "Notes about PHP, Open Source and perhaps more", "success": true, "error": "", "status": 206 }, "network": { "185.199.110.153": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "185.199.111.153": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "185.199.109.153": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "185.199.108.153": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "aspmx3.googlemail.com", "ports": [ { "port": 25, "open": false, "time_ms": 23, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4051.6, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.1, "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": 86.67 }