Domain report
substrate.com
substrate.com ranks in the top 0.15% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.15%
- Hosts observed
- 2
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://substrate.com/ answered with HTTP 200.
DNS records
- A
- 104.18.4.204
- 104.18.5.204
- AAAA
- 2606:4700::6812:4cc
- 2606:4700::6812:5cc
- MX
- 10 mxa.us.inbound.cf-emailsecurity.net.
- 10 mxb.us.inbound.cf-emailsecurity.net.
- NS
- blue.foundationdns.com.
- blue.foundationdns.net.
- blue.foundationdns.org.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.
Since substrate.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
- public, max-age=3600
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- default-src 'self'; script-src 'self' https://assets.substratecdn.com https://embed.cloudflarestream.com https://static.cloudflareinsights.com https://jobs.ashbyhq.com; style-src 'self' 'unsafe-inline' https://assets.substratecdn.com https://jobs.ashbyhq.com; img-src 'self' data: https://assets.substratecdn.com https://imagedelivery.net https://jobs.ashbyhq.com; font-src 'self' https://assets.substratecdn.com; connect-src 'self' https://customer-oz4udkrpd1a6lvwr.cloudflarestream.com https://embed.cloudflarestream.com https://static.cloudflareinsights.com https://platform.dash.cloudflare.com https://jobs.ashbyhq.com; frame-src https://customer-oz4udkrpd1a6lvwr.cloudflarestream.com https://embed.cloudflarestream.com https://jobs.ashbyhq.com; media-src 'self' blob: https://customer-oz4udkrpd1a6lvwr.cloudflarestream.com; worker-src 'self' blob:; base-uri 'none'; form-action 'self'; frame-ancestors 'self'; object-src 'none'; report-uri https://substrate.report-uri.com/r/d/csp/enforce
- Strict-Transport-Security
- max-age=31536000; includeSubDomains; preload
- X-Frame-Options
- SAMEORIGIN
- X-Content-Type-Options
- nosniff
- Referrer-Policy
- same-origin
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://substrate.com/HTTP 301→ https://substrate.com/
- 2.
https://substrate.com/HTTP 200
Meta tags
- Title
- Substrate
- Description
- Substrate is building America's next-generation semiconductor foundry
- Canonical
- https://substrate.com/
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Substrate
- Open Graph description
- Substrate is building America's next-generation semiconductor foundry
- Open Graph image
- https://imagedelivery.net/CkMwzGh8J-as7RLjnf0zpA/8636ff23-ee9e-45dd-ec77-f5a5c07d8400/public
- Open Graph type
- website
- Twitter card
- summary_large_image
- Twitter title
- Substrate
- Twitter image
- https://imagedelivery.net/CkMwzGh8J-as7RLjnf0zpA/8636ff23-ee9e-45dd-ec77-f5a5c07d8400/public
robots.txt
- Disallow rules (User-agent: *)
- 1
- Disallow rules (other agents)
- 0
Sitemap declared:
https://substrate.com/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Cloudflare Bot Managementcdn
Cookie set: __cf_bm
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.