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Domain report

heedful.app

heedful.app ranks in the top 0.24% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore heedful.app in the Web Graph

Connectivity

#319,489harmonic-centrality rank
Top percentile
0.24%
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://heedful.app/ answered with HTTP 200.

Certificate until 2026-12-14C=US, O=Let's Encrypt, CN=YE2

DNS records

A
  • 172.67.141.241
  • 104.21.57.46
AAAA
  • 2606:4700:3032::ac43:8df1
  • 2606:4700:3035::6815:392e
MX
  • 16 route3.mx.cloudflare.net.
  • 30 route1.mx.cloudflare.net.
  • 67 route2.mx.cloudflare.net.
NS
  • alfred.ns.cloudflare.com.
  • asa.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States172.67.141.0/24, which holds 172.67.141.241

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
CloudFlare, Inc.
Registered
2026-05-20
Expires
2027-05-20
Last changed
2026-05-25

Nameservers: alfred.ns.cloudflare.com, asa.ns.cloudflare.com

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Common name
heedful.app
Issuer
C=US, O=Let's Encrypt, CN=YE2
Valid from
2026-09-15
Valid until
2026-12-14

Matches heedful.app exactly. Source: Certificate Transparency logs (crt.sh).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
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://heedful.app/HTTP 301

    → https://heedful.app/

  2. 2.https://heedful.app/HTTP 200

Meta tags

Title
Heedful: Stop pasting secrets into ChatGPT & other AI chats
Description
Free Chrome extension that warns you before pasting API keys, SSNs, customer data, or 75+ other sensitive things into ChatGPT, Claude, Gemini, and 9 more AI chat sites. 100% on-device. No tracking. Open-source detection rules.
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
Heedful: Stop pasting secrets into ChatGPT
Open Graph description
On-device DLP for AI chats. Free. Open detection rules. No cloud.
Open Graph image
https://heedful.app/og-image.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Heedful: Stop pasting secrets into ChatGPT
Twitter image
https://heedful.app/og-image.png

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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