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posthog.com 200
🔒 SSL Valid
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 44d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 86d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
1/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
216.150.1.1
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 4
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🎨 CSS Framework
Tailwind CSS
☁️ Hosting
Vercel
⚡ JS Framework
React
📄 Static Site Generator
Gatsby
Screenshot
Processing...
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⏳
Screenshot is being captured...
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 216.150.1.1 |
| NS | rory.ns.cloudflare.comjulissa.ns.cloudflare.com |
| MX | 1 aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com |
| TXT (25) |
Services configured via TXT:
Google8
Apple
Microsoft 365
OpenAI
Sinch
Slack
Stripe
Tiktok Developers
Wiz
+8 other TXT record(s)
Show all TXT recordshubspot-developer-verification=NmM3ZGZjOGItMTFkNC00Y2JlLTk2OGMtNWI5NGRlNWE2MTk1 zapier-domain-verification-challenge=2d19d8f3-abea-4e65-9d76-afc2cfabbea2 google-site-verification=HlrzEAPHS7VRZcGfvU39mhF86LLDPz-Nm88y6vEHSUk google-site-verification=y_lIMB59lFcZyw-aDkPwQH04ErnkAuswbPDI48kj7NU apple-domain-verification=LVLu2hGeleHVVEIh MS=ms19564166 sinch-domain-verification=3b91dbc6-6227-41f1-8251-f208d684cb4b wiz-domain-verification=3357378f04c747f632241dede60682807fdd2f1cbf17eaad4433626cadba1d34 google-site-verification=2aAHS6wwKXEihn7xmDkURVERdCE1Ud1oDL257IR1JEY google-site-verification=XcqIYCKBCZjObwHn5VVmsi92SLnaVx1XYruncLCUldM google-site-verification=rV-p0xIuoSPKEOsbXiFRdpuRNAIvkmvqUCMKQdQNiQQ hubspot-developer-verification=MjAwNTY0MDEtNjg3Zi00ZDYyLWEwMmEtOWRlY2M4NGMwMWEx warpstream-verification=W8ZSnRMODyyK7db-HsqH0g== google-site-verification=OzoiNToqd-3naAZ8v66RAlu4GFLD83oLYTAFuVkhDJw cloudflare_dashboard_sso=bf5bb621cae6f03b04deaeb95a4fbb47 tiktok-developers-site-verification=lhlLSOG6nN8VhySQd9N00K8kezUO085W google-site-verification=8iSexCUhAjrq9sdND8snbBMQkxgT1uPyuLn8qMKCC3g slack-domain-verification=pJ3bCWRyJrqVBSqaEFOoL5beWxNfWUAdsHqCv7bq hubspot-developer-verification=ZjBiZGU4ZWEtMmQzNS00YTIzLTg1NzktOWFhYmZhZWYyNGRj 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 google-site-verification=JnVdTQN5QXDDrPw09cSFIRwc_hkmVQgwgpyuEUe3qgg stripe-verification=0758FA8B9CFF58AD6C7CA769A4CBCD1F538FD3CAE856ED865B600E0C85F8AF9C anthropic-domain-verification-fk0e2j=R5tx8jvOBLON93kYQoe7azTT5 openai-domain-verification=dv-neQHJF2tLgKhhJ9cppTLIyQX xmpYvq0qq2jlJ41DdaHeshLvvw |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Amazon Registrar, Inc. |
| Registered | 2020-01-23 |
| Expires | 2027-01-23 (in 86 days) |
| Last Updated | 2026-05-15 |
| Status | client transfer prohibited |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | posthog.com |
| Issuer | Let's Encrypt |
| Valid From | 2026-09-13 |
| Valid Until | 2026-12-12 (44 days left) |
| SANs (1) | posthog.com |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | Vercel |
| Content-Type | text/html; charset=utf-8 |
| Final URL | https://posthog.com/ |
| strict-transport-security | max-age=63072000 |
| cache-control | public, max-age=0, must-revalidate |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 216.150.1.1 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
F (2/7)
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Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
Areas hidden from crawlers:
Other paths
1
Show raw disallow rules (1)
/*.md$
| Sitemap | Found 1 sitemaps (index) pages |
Social & Meta Tags
Complete
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| Title | PostHog – Your product’s context layer |
| Description | PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it. |
| OG Title | PostHog – Your product’s context layer |
| OG Description | PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it. |
| OG Image | https://posthog.com/images/og/default.png |
| OG Type | website |
| Twitter Card | summary_large_image |
| Canonical URL | https://posthog.com/ |
| Language | en |
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | ✓ Present 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 | ✓ Present v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; aspf=r; adkim=r; sp=reject; |
| MX Records | 1 → aspmx.l.google.com 10 → alt3.aspmx.l.google.com 10 → alt4.aspmx.l.google.com 5 → alt1.aspmx.l.google.com 5 → alt2.aspmx.l.google.com |
Other TLDs Other top-level domain variants of this domain name and their availability. 10 active 6 for sale 7 available
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Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.