Domain report
readlocker.com
readlocker.com ranks in the top 0.26% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.
Connectivity
#349,655harmonic-centrality rank
- Top percentile
- 0.26%
- 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://readlocker.com/ answered with HTTP 200.
DNS records
- A
- 207.211.178.201
- AAAA
- No records found.
- MX
- 1 fwd1.porkbun.com.
- 1 fwd2.porkbun.com.
- NS
- curitiba.ns.porkbun.com.
- fortaleza.ns.porkbun.com.
- maceio.ns.porkbun.com.
- salvador.ns.porkbun.com.
Live preview
This is a live, sandboxed embed of readlocker.com — not a copy. What it shows can change any time the site itself does.
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
- 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
Redirect chain
- 1.
http://readlocker.com/HTTP 521
Meta tags
- Title
- ReadLocker - Capture & Organize Your Thoughts
- Description
- Turn interesting articles, text snippets, YouTube video summaries, PDF files, or simply URLs into a personal knowledge base. Save them to read later at your own pace. Use it as your bookmarks manager, note taking application, personal knowledge management system, or as all of this combined - it's your choice. Edit and annotate as you go, highlighting key points or adding comments. Keep all your must-read content in one convenient place.
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- ReadLocker
- Open Graph description
- Turn articles, notes, and bookmarks into a personal knowledge base.
- Open Graph image
- /static/images/og-image.png
- Open Graph type
- website
- Twitter card
- Not set
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 4
- 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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