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Domain report

librera1.com

librera1.com 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 librera1.com in the Web Graph

Connectivity

#195,472harmonic-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://librera1.com/ answered with HTTP 200.

DNS records

A
  • 199.36.158.100
AAAA
No records found.
MX
  • 10 mail.imena.com.ua.
NS
  • nsa3.srv53.org.
  • nsa2.srv53.com.
  • nsb2.srv53.net.
  • nsd4.srv53.com.
  • nsb3.srv53.org.
  • nsd3.srv53.org.
  • nsc3.srv53.com.
  • nsc3.srv53.org.
  • nsb3.srv53.com.
  • nsa4.srv53.net.
  • nsd4.srv53.net.
  • nsc1.srv53.net.

Live preview

This is a live, sandboxed embed of librera1.com — 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
max-age=3600
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31556926
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://librera1.com/HTTP 301

    → https://librera1.com/

  2. 2.https://librera1.com/HTTP 200

Meta tags

Title
Librera1 — a reader for the books you already have
Description
Librera1 is a free web and mobile ebook reader. Open EPUB, PDF, FB2, MOBI and CBZ files from your own device or your Google Drive, and keep your place, highlights and bookmarks in sync across every device you read on.
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
Librera1 — a reader for the books you already have
Open Graph description
A free EPUB, PDF, FB2, MOBI and CBZ reader. Your books, your Google Drive, your place kept in sync on every device.
Open Graph image
https://librera1.com/apple-touch-icon.png
Open Graph type
website
Twitter card
summary
Twitter title
Not set
Twitter image
Not set

robots.txt

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

No Sitemap declared in robots.txt.

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

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