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Domain report

substrate.io

substrate.io ranks in the top 0.066% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 8 distinct hosts observed under it.

Explore substrate.io in the Web Graph

Connectivity

#88,195harmonic-centrality rank
Top percentile
0.066%
Hosts observed
8

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

HTTPS reachability

404HTTP status

https://substrate.io/ answered with HTTP 404.

DNS records

A
  • 18.208.88.157
  • 98.84.224.111
AAAA
  • 2600:1f18:16e:df01::258
  • 2600:1f18:16e:df01::259
MX
No records found.
NS
  • ed.ns.cloudflare.com.
  • ara.ns.cloudflare.com.

Live preview

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

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

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
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
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://substrate.io/HTTP 301

    → https://substrate.io/

  2. 2.https://substrate.io/HTTP 301

    → https://polkadot.com/platform/sdk

  3. 3.https://polkadot.com/platform/sdkHTTP 404

Meta tags

Title
Polkadot
Description
Products for people.
Canonical
Not set
Robots
noindex
Generator
Not set
Open Graph title
Polkadot
Open Graph description
Products for people.
Open Graph image
https://polkadot.com/og-image.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Polkadot
Twitter image
https://polkadot.com/og-image.png

robots.txt

substrate.io has no robots.txt.

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Next.jsframework

    Found "_next/static/" in the page's HTML

Related domains

Similar connectivity

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