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Domain report

inf.run

inf.run ranks in the top 0.081% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore inf.run in the Web Graph

Connectivity

#107,298harmonic-centrality rank
Top percentile
0.081%
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

200HTTP status

https://inf.run/ answered with HTTP 200.

DNS records

A
  • 13.124.150.100
  • 13.125.106.164
  • 43.202.170.71
  • 43.201.228.157
AAAA
No records found.
MX
No records found.
NS
  • ns-1122.awsdns-12.org.
  • ns-1863.awsdns-40.co.uk.
  • ns-372.awsdns-46.com.
  • ns-922.awsdns-51.net.

Live preview

Screenshot of inf.run

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since inf.run 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).

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
private, no-cache, no-store, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
frame-ancestors 'self'
Strict-Transport-Security
max-age=31536000
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://inf.run/HTTP 308

    → https://inf.run/

  2. 2.https://inf.run/HTTP 301

    → https://www.inflearn.com/

  3. 3.https://www.inflearn.com/HTTP 302

    → https://www.inflearn.com/en/

  4. 4.https://www.inflearn.com/en/HTTP 308

    → https://www.inflearn.com/en

  5. 5.https://www.inflearn.com/enHTTP 200

Meta tags

Title
Inflearn - Lifetime Career Platform
Description
An online learning platform with over 1.4 million learners and 4,000 courses. Learn programming, AI, data, marketing, design, and more from top industry...
Canonical
https://www.inflearn.com/en/
Robots
Not set
Generator
Not set
Open Graph title
Inflearn - Lifetime Career Platform
Open Graph description
An online learning platform with over 1.4 million learners and 4,000 courses. Learn programming, AI, data, marketing, design, and more from top industry...
Open Graph image
https://cdn.inflearn.com/assets/brand/inflearn-brand.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Inflearn - Lifetime Career Platform
Twitter image
https://cdn.inflearn.com/assets/brand/inflearn-brand.png

robots.txt

inf.run 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

    X-Powered-By: Next.js

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