{ "ok": true, "domain": "linklist.bio", "generated_at": "2026-08-08T21:48:22-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 72, "label": "Fair", "categories": { "dns": 85, "mail": 70, "security": 73, "network": 70, "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": "2 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "2 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": 0, "lost_points": 15, "detail": "Both DS and DNSKEY are required." }, { "category": "dns", "title": "CAA policy", "max_points": 5, "earned_points": 5, "lost_points": 0, "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": "6 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": "68 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": 8, "lost_points": 27, "detail": "2 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": 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": 0, "lost_points": 40, "detail": "HTTP/2 403 " }, { "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": "2 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "2 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": "error", "title": "DNSSEC chain", "detail": "Both DS and DNSKEY are required.", "category": "dns", "max_points": 15, "earned_points": 0, "lost_points": 15 }, { "level": "ok", "title": "CAA policy", "detail": "Certificate authority restriction.", "category": "dns", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "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": "6 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": "68 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": "warning", "title": "HTTP security headers", "detail": "2 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 8, "lost_points": 27 }, { "level": "error", "title": "PTR reverse DNS", "detail": "PTR not detected.", "category": "network", "max_points": 30, "earned_points": 0, "lost_points": 30 }, { "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": "error", "title": "HTTP response", "detail": "HTTP/2 403 ", "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": [ "172.66.161.202", "104.20.24.32" ], "AAAA": [ "2606:4700:10::ac42:a1ca", "2606:4700:10::6814:1820" ], "CNAME": [], "MX": [ "5 alt2.aspmx.l.google.com.", "1 aspmx.l.google.com.", "10 inbound-smtp.us-west-2.amazonaws.com.", "10 aspmx3.googlemail.com.", "10 aspmx2.googlemail.com.", "5 alt1.aspmx.l.google.com." ], "TXT": [ "\"stripe-verification=f9556ca34271b317b77b9121f7279effae7ffeede4869e7992ce54fb204404ca\"", "\"google-site-verification=2uTH6yvTHAOY55J9CvmE6bnN1tFWKNCu9qONsHn3nw4\"", "\"google-site-verification=07WCDoc5cLCa5YVuwV-WZcZlq-RA7Ucy9XYEActJ3Jk\"", "\"v=spf1 include:amazonses.com include:_spf.google.com ~all\"", "\"google-site-verification=40fRUTgWLXkZxsaUGDfFNpYFg7ww7dAnE3lgs35mJd0\"", "\"google-site-verification=elolUwMP11zZ0cAmsgQFOnBrmNzK3xqiW29uXttPFOg\"", "\"facebook-domain-verification=j1behf1j5h0ukgtdqbywyyj0ezq1j2\"" ], "NS": [ "demi.ns.cloudflare.com.", "beau.ns.cloudflare.com." ], "SOA": [ "beau.ns.cloudflare.com. dns.cloudflare.com. 2410996776 10000 2400 604800 1800" ], "CAA": [ "0 issue \"letsencrypt.org\"", "0 issue \"amazon.com\"", "0 issue \"digicert.com; cansignhttpexchanges=yes\"", "0 issuewild \"ssl.com\"", "0 issuewild \"digicert.com; cansignhttpexchanges=yes\"", "0 issue \"comodoca.com\"", "0 issuewild \"comodoca.com\"", "0 issue \"ssl.com\"", "0 issuewild \"letsencrypt.org\"", "0 issue \"pki.goog; cansignhttpexchanges=yes\"", "0 issuewild \"pki.goog; cansignhttpexchanges=yes\"" ], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "172.66.161.202", "104.20.24.32" ], "ipv6": [ "2606:4700:10::ac42:a1ca", "2606:4700:10::6814:1820" ] }, "mail": { "spf": "v=spf1 include:amazonses.com include:_spf.google.com ~all", "dmarc": "v=DMARC1; p=none; rua=mailto:sajvl31t@ag.dmarcian.com;", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 2, "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": [ "104.20.24.32", "172.66.161.202" ], "time_ms": 51.89 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "104.20.24.32", "172.66.161.202" ], "time_ms": 67.73 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "104.20.24.32", "172.66.161.202" ], "time_ms": 33.34 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "104.20.24.32", "172.66.161.202" ], "time_ms": 167.49 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "104.20.24.32", "172.66.161.202" ], "time_ms": 146.9 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "linklist.bio", "valid_from": "2026-07-18T13:56:02-05:00", "valid_to": "2026-10-16T13:56:01-05:00", "days_remaining": 68, "san": [ "linklist.bio" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://linklist.bio/", "status": "HTTP/2 403 ", "http_version": "3", "headers": { "date": "Sun, 09 Aug 2026 02:48:13 GMT", "content-type": "text/html; charset=UTF-8", "cache-control": "private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0", "expires": "Thu, 01 Jan 1970 00:00:01 GMT", "referrer-policy": "same-origin", "x-frame-options": "SAMEORIGIN", "server": "cloudflare", "cf-ray": "a28370cb1a06eaef-ORD" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": false, "x-frame-options": true, "referrer-policy": true, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "cloudflare", "powered_by": "" }, "webpage": { "url": "https://linklist.bio/", "title": "Seus links e produtos em um só lugar", "description": "Leve sua marca para o mundo com o Linklist: seu link na bio, catálogo digital, encurtador de link e gerador de QR code.", "success": true, "error": "", "status": 200 }, "network": { "172.66.161.202": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "104.20.24.32": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "alt2.aspmx.l.google.com", "ports": [ { "port": 25, "open": false, "time_ms": 0.7, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4004, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.8, "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": 141.83 }