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Domain report

headscratchapp.com

headscratchapp.com ranks in the top 0.25% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore headscratchapp.com in the Web Graph

Connectivity

#339,202harmonic-centrality rank
Top percentile
0.25%
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://headscratchapp.com/ answered with HTTP 200.

DNS records

A
  • 104.21.59.47
  • 172.67.213.204
AAAA
  • 2606:4700:3030::ac43:d5cc
  • 2606:4700:3031::6815:3b2f
MX
No records found.
NS
  • hadlee.ns.cloudflare.com.
  • shane.ns.cloudflare.com.

Live preview

Screenshot of headscratchapp.com

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

Since headscratchapp.com 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
public,max-age=0,must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000
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://headscratchapp.com/HTTP 301

    → https://headscratchapp.com/

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

Meta tags

Title
Headscratch — Funky Todo App
Description
Headscratch is a todo app for Android that's a little funky, but maybe something you'd like. Created by Google design award winner, Sam Ruston (that's me).
Canonical
https://headscratchapp.com/
Robots
Not set
Generator
Astro v5.18.1
Open Graph title
Headscratch — Funky Todo App
Open Graph description
Headscratch is a todo app for Android that's a little funky, but maybe something you'd like. Created by Google design award winner, Sam Ruston (that's me).
Open Graph image
Not set
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

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

Sitemap declared:

  • https://headscratchapp.com/sitemap-index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

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