{ "ok": true, "domain": "posthog.com", "generated_at": "2026-08-10T10:44:59-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 80, "label": "Good", "categories": { "dns": 85, "mail": 100, "security": 69, "network": 20, "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": 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": "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": "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": 5, "lost_points": 0, "detail": "Mail transport policy." }, { "category": "mail", "title": "TLS-RPT", "max_points": 5, "earned_points": 5, "lost_points": 0, "detail": "TLS reporting policy." }, { "category": "security", "title": "Valid TLS certificate", "max_points": 55, "earned_points": 55, "lost_points": 0, "detail": "62 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": 4, "lost_points": 31, "detail": "1 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": 20, "lost_points": 15, "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": "1 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": "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": "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": "ok", "title": "MTA-STS", "detail": "Mail transport policy.", "category": "mail", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "level": "ok", "title": "TLS-RPT", "detail": "TLS reporting policy.", "category": "mail", "max_points": 5, "earned_points": 5, "lost_points": 0 }, { "level": "ok", "title": "Valid TLS certificate", "detail": "62 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": "1 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 4, "lost_points": 31 }, { "level": "error", "title": "PTR reverse DNS", "detail": "PTR not detected.", "category": "network", "max_points": 30, "earned_points": 0, "lost_points": 30 }, { "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": "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": [ "216.150.1.1" ], "AAAA": [], "CNAME": [], "MX": [ "5 alt2.aspmx.l.google.com.", "10 alt3.aspmx.l.google.com.", "10 alt4.aspmx.l.google.com.", "1 aspmx.l.google.com.", "5 alt1.aspmx.l.google.com." ], "TXT": [ "\"google-site-verification=OzoiNToqd-3naAZ8v66RAlu4GFLD83oLYTAFuVkhDJw\"", "\"zapier-domain-verification-challenge=2d19d8f3-abea-4e65-9d76-afc2cfabbea2\"", "\"google-site-verification=JnVdTQN5QXDDrPw09cSFIRwc_hkmVQgwgpyuEUe3qgg\"", "\"hubspot-developer-verification=ZjBiZGU4ZWEtMmQzNS00YTIzLTg1NzktOWFhYmZhZWYyNGRj\"", "\"slack-domain-verification=pJ3bCWRyJrqVBSqaEFOoL5beWxNfWUAdsHqCv7bq\"", "\"google-site-verification=rV-p0xIuoSPKEOsbXiFRdpuRNAIvkmvqUCMKQdQNiQQ\"", "\"google-site-verification=2aAHS6wwKXEihn7xmDkURVERdCE1Ud1oDL257IR1JEY\"", "\"hubspot-developer-verification=NmM3ZGZjOGItMTFkNC00Y2JlLTk2OGMtNWI5NGRlNWE2MTk1\"", "\"warpstream-verification=W8ZSnRMODyyK7db-HsqH0g==\"", "\"stripe-verification=0758FA8B9CFF58AD6C7CA769A4CBCD1F538FD3CAE856ED865B600E0C85F8AF9C\"", "\"google-site-verification=y_lIMB59lFcZyw-aDkPwQH04ErnkAuswbPDI48kj7NU\"", "\"anthropic-domain-verification-fk0e2j=R5tx8jvOBLON93kYQoe7azTT5\"", "\"hubspot-developer-verification=MjAwNTY0MDEtNjg3Zi00ZDYyLWEwMmEtOWRlY2M4NGMwMWEx\"", "\"openai-domain-verification=dv-neQHJF2tLgKhhJ9cppTLIyQX\"", "\"xmpYvq0qq2jlJ41DdaHeshLvvw\"", "\"google-site-verification=HlrzEAPHS7VRZcGfvU39mhF86LLDPz-Nm88y6vEHSUk\"", "\"google-site-verification=XcqIYCKBCZjObwHn5VVmsi92SLnaVx1XYruncLCUldM\"", "\"wiz-domain-verification=3357378f04c747f632241dede60682807fdd2f1cbf17eaad4433626cadba1d34\"", "\"cloudflare_dashboard_sso=bf5bb621cae6f03b04deaeb95a4fbb47\"", "\"MS=ms19564166\"", "\"apple-domain-verification=LVLu2hGeleHVVEIh\"", "\"tiktok-developers-site-verification=lhlLSOG6nN8VhySQd9N00K8kezUO085W\"", "\"google-site-verification=8iSexCUhAjrq9sdND8snbBMQkxgT1uPyuLn8qMKCC3g\"", "\"v=spf1 include:_spf.google.com include:mail.zendesk.com include:servers.mcsv.net include:spf.mandrillapp.com include:amazonses.com include:mailgun.org -all\"" ], "NS": [ "rory.ns.cloudflare.com.", "julissa.ns.cloudflare.com." ], "SOA": [ "julissa.ns.cloudflare.com. 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A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA" ], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "216.150.1.1" ], "ipv6": [] }, "mail": { "spf": "v=spf1 include:_spf.google.com include:mail.zendesk.com include:servers.mcsv.net include:spf.mandrillapp.com include:amazonses.com include:mailgun.org -all", "dmarc": "v=DMARC1; p=quarantine; pct=100; rua=mailto:5c3ccb30d9f64b7583f458d746bd9d5a@dmarc-reports.cloudflare.net,mailto:re+ycfegpkscej@dmarc.postmarkapp.com; aspf=r; adkim=r; sp=reject;", "dkim_selector": "google", "dkim_host": "google._domainkey.posthog.com", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjB0VmsLAs4kZLAsNkDnJU/oPqJ/ZEJlBWX2pWWQUfDE3lqN/vnvl8NzwSKLSMYTw32yYGSTNrv6+cjhrblbJVJh23pGOJjBMB6yaCGPFylQq+xh/ccnBJ86lhOT6DThuMmpE+4OB76RRgn3rbM7iFkjwsjcbI5WqffwIChQak6rN15pQmcEhOTtNaBcw4TaVjFKV2zG5w+oU3LieOREPML2usALz5vrxy3rEv3Bdzh96DqsWEezFHq6xZFDSkdZyJpfQnn/lF1E/DNuQZwjlbwS8za+sgk7nzL9Lrj/Uspc0ZkM/wrbPDCvI4PfbfripJT1SU/d9nqPtW8MDihaRqQIDAQAB", "spf_analysis": { "valid": true, "lookups": 6, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "", "mta_sts": "v=STSv1;id=1755284077088;", "tls_rpt": "v=TLSRPTv1;rua=mailto:smtp-tls-reports@posthog.com;" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "216.150.1.1" ], "time_ms": 70.79 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "216.150.1.1" ], "time_ms": 46.96 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "216.150.1.1" ], "time_ms": 31.42 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "216.150.1.1" ], "time_ms": 32.37 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "216.150.1.1" ], "time_ms": 62.99 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "posthog.com", "valid_from": "2026-07-14T08:01:32-05:00", "valid_to": "2026-10-12T08:01:31-05:00", "days_remaining": 62, "san": [ "posthog.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://posthog.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "accept-ranges": "bytes", "access-control-allow-origin": "*", "age": "5268", "cache-control": "public, max-age=0, must-revalidate", "content-disposition": "inline", "content-security-policy-report-only": "default-src 'self'; script-src 'self' https://*.posthog.com https://www.youtube.com https://fast.wistia.com https://import-cdn.default.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; img-src 'self' data: https://*.posthog.com https://res.cloudinary.com https://www.gravatar.com https://raw.githubusercontent.com https://obuldanrptloktxcffvn.supabase.co https://cdn.shopify.com https://i.ytimg.com https://embed-ssl.wistia.com https://fast.wistia.com https://cdn.jsdelivr.net https://user-images.githubusercontent.com https://brandbadge.clearbit.com; font-src 'self' data: https://d27nj4tzr3d5tm.cloudfront.net https://res.cloudinary.com https://fonts.gstatic.com https://r2cdn.perplexity.ai https://fast.wistia.com https://use.typekit.net; connect-src 'self' https://*.posthog.com https://api.github.com https://lottie.host https://better-animal-d658c56969.strapiapp.com https://forms.default.com https://nucleus.default.com https://import-cdn.default.com https://posthog.myshopify.com https://*.algolia.net https://*.algolianet.com https://api.io.inkeep.com https://fast.wistia.net https://fast.wistia.com https://embed-cloudfront.wistia.com https://api.inkeep.com; media-src 'self' https://d1hovhsvet4m1p.cloudfront.net https://res.cloudinary.com blob:; frame-src 'self' https://www.youtube-nocookie.com https://hogwars.vercel.app https://hedgehog-mode-playground.vercel.app; worker-src 'self' blob:; child-src 'self' blob:; object-src 'none'; frame-ancestors 'none'; report-uri https://us.i.posthog.com/report/?token=sTMFPsFhdP1Ssg&sample_rate=0.1&v=1; report-to posthog", "content-type": "text/html; charset=utf-8", "date": "Mon, 10 Aug 2026 15:44:51 GMT", "etag": "\"f985921fec254fd68cd15a670c3da003\"", "last-modified": "Mon, 10 Aug 2026 14:17:03 GMT", "reporting-endpoints": "posthog=\"https://us.i.posthog.com/report/?token=sTMFPsFhdP1Ssg&sample_rate=0.1&v=1\"", "server": "Vercel", "strict-transport-security": "max-age=63072000", "x-vercel-cache": "HIT", "x-vercel-id": "cle1::5jb2r-1786376691474-27aaaf3304ce", "content-length": "1417640" }, "security_checks": { "strict-transport-security": true, "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": "Vercel", "powered_by": "" }, "webpage": { "url": "https://posthog.com/", "title": "PostHog – We make your product self-driving", "description": "PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it.", "success": true, "error": "", "status": 206 }, "network": { "216.150.1.1": { "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": 4020.8, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.5, "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": 101.02 }