{ "ok": true, "domain": "gatsbyjs.com", "generated_at": "2026-08-11T03:05:32-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 83, "label": "Good", "categories": { "dns": 70, "mail": 90, "security": 81, "network": 65, "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": "2 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": "4 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": "61 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": 16, "lost_points": 19, "detail": "4 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: afa7f374f51cc8991.awsglobalaccelerator.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": 0, "lost_points": 35, "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": "2 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "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": "4 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": "61 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": "4 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 16, "lost_points": 19 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: afa7f374f51cc8991.awsglobalaccelerator.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": "error", "title": "IPv6 connectivity", "detail": "AAAA availability.", "category": "network", "max_points": 35, "earned_points": 0, "lost_points": 35 }, { "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": [ "3.33.186.135", "15.197.167.90" ], "AAAA": [], "CNAME": [], "MX": [ "1 aspmx.l.google.com.", "5 alt2.aspmx.l.google.com.", "10 alt4.aspmx.l.google.com.", "10 alt3.aspmx.l.google.com.", "5 alt1.aspmx.l.google.com." ], "TXT": [ "\"v=spf1 mx include:_spf.google.com include:mail.zendesk.com ~all\"", "\"google-site-verification=o5PxO__2vuYqAcepAsyfJ7rGAPzG5q0R9ACau2qvcsI\"" ], "NS": [ "ns-cloud-c1.googledomains.com.", "ns-cloud-c4.googledomains.com.", "ns-cloud-c2.googledomains.com.", "ns-cloud-c3.googledomains.com." ], "SOA": [ "ns-cloud-c1.googledomains.com. cloud-dns-hostmaster.google.com. 2 21600 3600 259200 300" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "3.33.186.135", "15.197.167.90" ], "ipv6": [] }, "mail": { "spf": "v=spf1 mx include:_spf.google.com include:mail.zendesk.com ~all", "dmarc": "v=DMARC1; p=reject; rua=mailto:fexahwip@ag.dmarcian.com; ruf=mailto:fexahwip@fr.dmarcian.com; fo=1", "dkim_selector": "google", "dkim_host": "google._domainkey.gatsbyjs.com", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkAjrmwZBpjA0h9JzlDArNPmz31dv6+IOlKB3mYtE4W7yGDsqPaW9wtl0I8P+cQmbIDOQGXkmF3N/y7WILd2+bBMLyZkRmDYVOFs+3JJWw3Z0Z2fbYkMT9bvTDeAyO6HK+NVHGip+XNZPFeG1ZSvb6NdNfLd6ZkGsk3yP+qCydFGQYkGX27l8UpFn+mKavgVQFe6cd6iymoPUlTwKo5Ft/fUvy5eT4XFcTrlLgqfkzoxv3fKxmRG3pt3RxZ1PJZDyt9NP7tXPdouJKSh55yYAleaMrx++a80dJXRWQhxco+Vnxm4xz86iy738m9Cmo+GTCOaKEa7co8nkIO0SM4+gowIDAQAB", "spf_analysis": { "valid": true, "lookups": 3, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "afa7f374f51cc8991.awsglobalaccelerator.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "15.197.167.90", "3.33.186.135" ], "time_ms": 109.36 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "15.197.167.90", "3.33.186.135" ], "time_ms": 178.15 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "15.197.167.90", "3.33.186.135" ], "time_ms": 97.99 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "15.197.167.90", "3.33.186.135" ], "time_ms": 95.19 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "15.197.167.90", "3.33.186.135" ], "time_ms": 171.84 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "www.gatsbyjs.com", "valid_from": "2026-07-13T20:03:46-05:00", "valid_to": "2026-10-11T20:03:45-05:00", "days_remaining": 61, "san": [ "gatsbyjs.com", "www.gatsbyjs.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://www.gatsbyjs.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "content-type": "text/html; charset=UTF-8", "date": "Tue, 11 Aug 2026 08:05:23 GMT", "location": "https://www.gatsbyjs.com/", "server": "Netlify", "strict-transport-security": "max-age=31536000", "x-nf-request-id": "01KZQXNN2VSFHG6643TWW1TTQA", "accept-ranges": "bytes", "age": "4286", "cache-control": "public,max-age=0,must-revalidate", "cache-status": "\"Netlify Edge\"; hit; ttl=31531714", "etag": "\"4cf883dfb80cf868f5080207acaca443-ssl\"", "referrer-policy": "same-origin", "x-content-type-options": "nosniff", "x-frame-options": "DENY", "x-xss-protection": "1; mode=block", "content-length": "206565" }, "security_checks": { "strict-transport-security": true, "content-security-policy": false, "x-content-type-options": true, "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": "Netlify", "powered_by": "" }, "webpage": { "url": "https://www.gatsbyjs.com/", "title": "The Best React-Based Framework | Gatsby", "description": "Gatsby is a React-based open source framework with performance, scalability and security built-in. Collaborate, build and deploy 1000x faster on Netlify.", "success": true, "error": "", "status": 206 }, "network": { "3.33.186.135": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "15.197.167.90": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "aspmx.l.google.com", "ports": [ { "port": 25, "open": false, "time_ms": 21.7, "banner": "220 mx.google.com ESMTP 006d021491bc7-6b09fddb014si600651eaf.16 - gsmtp", "error": "No connection" }, { "port": 465, "open": false, "time_ms": 4020.8, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4018.2, "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": 89.52 }