Domain report
kirschsubstack.com
kirschsubstack.com ranks in the top 0.33% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.
Connectivity
- Top percentile
- 0.33%
- Hosts observed
- 1
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://kirschsubstack.com/ answered with HTTP 200.
DNS records
- A
- 172.64.151.232
- 104.18.36.24
- AAAA
- 2606:4700:4406::ac40:97e8
- 2606:4700:4401::6812:2418
- MX
- No records found.
- NS
- ashton.ns.cloudflare.com.
- tori.ns.cloudflare.com.
Live preview
This site's Content-Security-Policy restricts embedding to specific origins ("frame-ancestors 'self' https://*.substack.com https://substack.com"), which does not include StatsMyWeb.
Since kirschsubstack.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- no-cache
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- frame-ancestors 'self' https://*.substack.com https://substack.com
- Strict-Transport-Security
- max-age=31536000; includeSubDomains; preload
- X-Frame-Options
- Not sent
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://kirschsubstack.com/HTTP 301→ https://kirschsubstack.com/
- 2.
https://kirschsubstack.com/HTTP 200
Meta tags
- Title
- Steve Kirsch's newsletter | Substack
- Description
- I've written over 1,700 articles about COVID, vaccines, corruption, censorship, and early treatments. The data shows that the COVID vaccines have no benefit and have killed over 500,000 Americans. The data is publicly available, but nobody wants to look. Click to read Steve Kirsch's newsletter, a Substack publication with hundreds of thousands of subscribers.
- Canonical
- https://kirschsubstack.com/
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Steve Kirsch's newsletter | Substack
- Open Graph description
- I've written over 1,700 articles about COVID, vaccines, corruption, censorship, and early treatments. The data shows that the COVID vaccines have no benefit and have killed over 500,000 Americans. The data is publicly available, but nobody wants to look. Click to read Steve Kirsch's newsletter, a Substack publication with hundreds of thousands of subscribers.
- Open Graph image
- https://substackcdn.com/image/fetch/$s_!6o7w!,w_400,h_400,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.png
- Open Graph type
- article
- Twitter card
- summary
- Twitter title
- Steve Kirsch's newsletter | Substack
- Twitter image
- https://substackcdn.com/image/fetch/$s_!6o7w!,w_400,h_400,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F784bba8d-04cd-46d6-ab10-23a5e1d49cf7_377x377.png
robots.txt
robots.txt request failed (HTTP 429).
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Expressframework
X-Powered-By: Express
- Google Analyticsanalytics
Found "googletagmanager.com/gtag/js" in the page's HTML
- Cloudflare Web Analyticsanalytics
Found "static.cloudflareinsights.com" in the page's HTML
- Cloudflare Bot Managementcdn
Cookie set: __cf_bm
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