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Domain report

posthog.com

posthog.com ranks in the top 0.0031% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 52 distinct hosts observed under it.

Explore posthog.com in the Web Graph

Connectivity

#4,089harmonic-centrality rank
Top percentile
0.0031%
Hosts observed
52

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://posthog.com/ answered with HTTP 200.

DNS records

A
  • 216.150.1.1
AAAA
No records found.
MX
  • 1 aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
NS
  • rory.ns.cloudflare.com.
  • julissa.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of posthog.com — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

Registrar
Amazon Registrar, Inc.
Registered
2020-01-23
Expires
2027-01-23
Last changed
2026-05-15

Nameservers: JULISSA.NS.CLOUDFLARE.COM, RORY.NS.CLOUDFLARE.COM

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=63072000
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://posthog.com/HTTP 308

    → https://posthog.com/

  2. 2.https://posthog.com/HTTP 200

Meta tags

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.
Canonical
https://posthog.com/
Robots
Not set
Generator
Gatsby 4.25.9
Open Graph title
PostHog - your product’s context layer
Open Graph description
PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it.
Open Graph image
https://posthog.com/images/og/default.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
PostHog - your product’s context layer
Twitter image
https://posthog.com/images/og/default.png

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
4

Sitemap declared:

  • https://posthog.com/sitemap/sitemap-index.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Gatsbyframework

    Found "__gatsby" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.