{ "ok": true, "domain": "web.dev", "generated_at": "2026-08-08T18:39:35-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 69, "label": "Fair", "categories": { "dns": 85, "mail": 0, "security": 77, "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": "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": 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": 0, "lost_points": 20, "detail": "0 MX record(s)." }, { "category": "mail", "title": "SPF", "max_points": 25, "earned_points": 0, "lost_points": 25, "detail": "SPF policy not found." }, { "category": "mail", "title": "DMARC", "max_points": 25, "earned_points": 0, "lost_points": 25, "detail": "DMARC policy not found." }, { "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": "64 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": 12, "lost_points": 23, "detail": "3 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: any-in-201b.1e100.net" }, { "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": "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": "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": "error", "title": "MX records", "detail": "0 MX record(s).", "category": "mail", "max_points": 20, "earned_points": 0, "lost_points": 20 }, { "level": "error", "title": "SPF", "detail": "SPF policy not found.", "category": "mail", "max_points": 25, "earned_points": 0, "lost_points": 25 }, { "level": "error", "title": "DMARC", "detail": "DMARC policy not found.", "category": "mail", "max_points": 25, "earned_points": 0, "lost_points": 25 }, { "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": "64 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": "3 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 12, "lost_points": 23 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: any-in-201b.1e100.net", "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": [ "216.239.32.27" ], "AAAA": [ "2001:4860:4802:32::1b" ], "CNAME": [], "MX": [], "TXT": [ "\"google-site-verification=1KUpoM0U9uMGLkzIL1CaCnZDapQByrD74Wr92wrYZdA\"" ], "NS": [ "ns3.zdns.google.", "ns1.zdns.google.", "ns4.zdns.google.", "ns2.zdns.google." ], "SOA": [ "ns1.zdns.google. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300" ], "CAA": [ "0 issue \"pki.goog\"", "0 issue \"letsencrypt.org\"" ], "DS": [], "DNSKEY": [ "256 3 8 AwEAAaKqmEhXDHrGrxLg5cZdId9NJg+tOR0hsXa+o/K/0h2oehVWch4q 1nsc/NaPAnJkwfbk++VGBnVSLMQRD5oi65AUIzAyau9y2ZtLGVqJN9cg zeWriI/IAWG35SsBq/Q3upl+gU5O5LyC/EnRL8RO+DUECAuo7Geq1OhG hyhq0WSR", "257 3 8 AwEAAYSLv8Vj4oEjn1xXQgf2Zrd+h/KpcMJyaH6DOofb2yjou0+MddgU Y9j0fxK7ESgWl31g8CoegPht+pW8fzafNLGemFWavD70e2SkB14+8qeg DYZ/kR5IE+1N9/HVrIjLWbsh/Qovp/0OTdwSAaJu6a2adtkolV8OpCWZ J2qq0Bk71yszDQF2jmWuvxbe6QqsKbF07iShFz7C6M33QPJ9pSaVG6Oq g3SvhVK7M6yXoUeP0cKLNoVmWyY9qTT4lAfaMRnm8Jy1Yi1WgzCY8kVb u8PTlkEpIQZpgiTOyF0ecRI6pYTP8vPJOapnJmPapaIjf7q8f/LZMTAX JkWs5qnVq5U=" ], "RRSIG": [ "DNSKEY 8 2 300 20260828205110 20260806205110 45175 web.dev. LCuKDCbsjicVyWBamuzDL2A6P4ivgGVawJv9AhebGRi+Ik2Vc//SbZW6 TtuBMl6NUbYAcrNOauPoy5aRzPgcAacn0KINMGHKud0BRBsUfymR1T6T NXyXQGb+j1SxkuFfxgCrxbEAn5mODOOjpEzWlvJKei45va+M8ivO5Viw SCi+U8IxNQsZ+pOQ2vVngcCAstCXXacvqAtdQcRkbAaWawTIEoWdpgAH CnBOlPAdSe3iRzoXC26nZgx6SteNymFq2QvY1h9m1QZIiYVJgA7+5Kgl rCZysalcIhv0CJswZ3DlICkcjQrhIVrS3YPf5DdBPlauSDqILGcUxnVi CSch3g==", "NS 8 2 21600 20260828205110 20260806205110 27558 web.dev. Y7SdKKUXRn6k5Tv7i4bPEEo+SDXzKWZcXTllellnmFdL/1Jt43egwNpj Uk1t6u352Mp+5UaSdNLTXsKl25Jw39+dhx5RQM7+4kgcFob5t5N/E/DD gvIPrhNBD65tweHRZVwfC99psTxzfuGI1XbAUwBCANWwY2bfR2NMSAhs mhI=", "SOA 8 2 21600 20260828205110 20260806205110 27558 web.dev. kOE73p7gYUPrwTWiBdeZbXzcynJF2PLQDr1HrQ2KQRTBvZWdJKYIiyT3 A0anh+F/0MUlbRF2hTHjWfbd7WXAaO41A/ScW1Uz02vBvgY+U7fJRtP0 JvzWgKs/BVKvbelLq4aGP0t3nG0V/zc0o0BdsZb7R2a7pa41Kirj76wY 0yw=", "TXT 8 2 3600 20260828205110 20260806205110 27558 web.dev. echX44/0UAPmldmD4z3mMFLjiXNFVdrSa/3LnwJoyF6SJ1/hb/rcg5bz nDBN2ipCL6uAXfvbBFNZHjCoJ/h3AmbzZ2WAyjeymInGZP07Xe/cDqc8 1MBtSkhOfJ5qmBaq5UPr189vdtqEzfqDInm7vxl+wceHurPhG/UbCwzF E6I=", "AAAA 8 2 300 20260828205110 20260806205110 27558 web.dev. e8fo8Mtvx2OIkhOlPz+CxocMKFeIMm8qDVlQwZo1abW1GG2OQLMHxZqX tFy+TS4HaV4xPii71HZI2U+32m9qCG0QmhfZ62CVipwbyeCLKRHsx5v1 at0T6JSj5dYT+F8xksjFXGLVcsiBeMzbVtewMijxsO4TkQK31CVQMCKk 9Gw=" ], "NSEC": [ "*.web.dev. A NS SOA TXT AAAA RRSIG NSEC DNSKEY CDS CAA" ], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "216.239.32.27" ], "ipv6": [ "2001:4860:4802:32::1b" ] }, "mail": { "spf": "", "dmarc": "", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": false, "lookups": 0, "final": "", "message": "Not published" }, "dmarc_analysis": { "valid": false, "policy": "" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "any-in-201b.1e100.net", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "216.239.32.27" ], "time_ms": 46.9 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "216.239.32.27" ], "time_ms": 54.4 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "216.239.32.27" ], "time_ms": 223.13 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "216.239.32.27" ], "time_ms": 163.92 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "216.239.32.27" ], "time_ms": 229.24 } ] } }, "ssl": { "available": true, "issuer": "Google Trust Services", "subject": "devsite-sni.developers.google.com", "valid_from": "2026-07-20T13:05:57-05:00", "valid_to": "2026-10-12T13:05:56-05:00", "days_remaining": 64, "san": [ "devsite-sni.developers.google.com", "docs.actifio.com", "d.actifio.com", "apigee.com", "*.apigee.com", "appdefensealliance.dev", "*.appdefensealliance.dev", "bazel.build", "*.bazel.build", "builders.google", "*.builders.google", "cel.dev", "*.cel.dev", "deepmind.google.com", "*.deepmind.google.com", "developer.nest.com", "developers.nest.com", "devsitetest.how", "*.devsitetest.how", "fuchsia.dev", "*.fuchsia.dev", "issues.fuchsia.dev", "*.issues.fuchsia.dev", "generativeai.google", "*.generativeai.google", "*.generativeai.google.com", "google.dev", "ai.google.dev", "www.ai.google.dev", "*.google.dev", "intrinsic.ai", "*.intrinsic.ai", "jibemobile.com", "*.jibemobile.com", "learn.mapsplatform.google.com", "*.learn.mapsplatform.google.com", "onboarding.off.goog", "*.onboarding.off.goog", "openthread.io", "*.openthread.io", "openweave.io", "*.openweave.io", "openxla.org", "*.openxla.org", "preview.source.android.com", "privacysandbox.google.com", "*.privacysandbox.google.com", "quantumai.google", "*.quantumai.google", "tensorflow.org", "*.tensorflow.org", "web.dev", "*.web.dev", "webrtc.org", "www.webrtc.org", "wing.com", "*.wing.com", "wing.dev", "*.wing.dev", "devsite.google", "*.devsite.google", "mediapipe.dev", "*.mediapipe.dev", "ai.dev", "*.ai.dev", "ai.studio", "*.ai.studio", "app.new", "*.app.new", "chat.new", "*.chat.new", "bot.new", "*.bot.new", "agent.new", "*.agent.new", "ai.app", "*.ai.app" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://web.dev/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "last-modified": "Fri, 24 Jul 2026 08:05:07 GMT", "content-type": "text/html; charset=utf-8", "vary": "Cookie", "content-security-policy": "base-uri 'self'; object-src 'none'; script-src 'strict-dynamic' 'unsafe-inline' https: http: 'nonce-twJ2+A7zqEJOt4pu4qHhzO856c3FIU' 'unsafe-eval'; frame-ancestors 'self' https://developers.google.com/_d/analytics-iframe; report-uri https://csp.withgoogle.com/csp/devsite/v2", "strict-transport-security": "max-age=63072000; includeSubdomains; preload", "x-xss-protection": "0", "x-content-type-options": "nosniff", "cache-control": "no-cache, must-revalidate", "expires": "0", "pragma": "no-cache", "x-cloud-trace-context": "9aafa0bdc254131616e67d1e6f4cc220", "content-length": "133077", "date": "Sat, 08 Aug 2026 23:39:22 GMT", "server": "Google Frontend", "alt-svc": "h3=\":443\"; ma=2592000,h3-29=\":443\"; ma=2592000" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": true, "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": "Google Frontend", "powered_by": "" }, "webpage": { "url": "https://web.dev/", "title": "web.dev", "description": "Guidance to build modern web experiences that work on any browser.", "success": true, "error": "", "status": 200 }, "network": { "216.239.32.27": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "web.dev", "ports": [ { "port": 25, "open": false, "time_ms": 4018.1, "banner": "", "error": "Connection timed out" }, { "port": 465, "open": false, "time_ms": 4020.6, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.9, "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": 84.75 }