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textstack.app

textstack.app ranks in the top 0.15% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore textstack.app in the Web Graph

Connectivity

#203,338harmonic-centrality rank
Top percentile
0.15%
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

200HTTP status

https://textstack.app/ answered with HTTP 200.

DNS records

A
  • 172.67.217.231
  • 104.21.62.18
AAAA
  • 2606:4700:3031::ac43:d9e7
  • 2606:4700:3036::6815:3e12
MX
No records found.
NS
  • journey.ns.cloudflare.com.
  • rick.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States172.67.217.0/24, which holds 172.67.217.231

Live preview

Screenshot of textstack.app

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

Since textstack.app 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
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'self'; script-src 'self' https://accounts.google.com https://www.googletagmanager.com https://analytics.ahrefs.com https://static.cloudflareinsights.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://accounts.google.com; font-src 'self' data: https://fonts.gstatic.com; img-src 'self' data: blob: https:; media-src 'self' blob:; connect-src 'self' https://accounts.google.com https://www.googletagmanager.com https://*.google-analytics.com https://*.analytics.google.com https://*.g.doubleclick.net https://www.google.com https://analytics.ahrefs.com https://cloudflareinsights.com https://*.ingest.sentry.io https://*.ingest.us.sentry.io https://*.ingest.de.sentry.io; frame-src https://accounts.google.com; frame-ancestors 'none'; object-src 'none'; base-uri 'self'
Strict-Transport-Security
Not sent
X-Frame-Options
DENY
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://textstack.app/HTTP 301

    → https://textstack.app/

  2. 2.https://textstack.app/HTTP 301

    → https://textstack.app/en/

  3. 3.https://textstack.app/en/HTTP 200

Meta tags

Title
TextStack Reader – Read Books in English with Translation
Description
Read books in English with instant word translation. TextStack Reader helps you learn languages naturally through real books, vocabulary tracking, and spaced repetition.
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
Not set
Open Graph description
Not set
Open Graph image
Not set
Open Graph type
Not set
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
11
Disallow rules (other agents)
0

Sitemap declared:

  • https://textstack.app/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

Similar connectivity

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