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Domain report

builder.group

builder.group ranks in the top 0.039% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore builder.group in the Web Graph

Connectivity

#51,427harmonic-centrality rank
Top percentile
0.039%
Hosts observed
2

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://builder.group/ answered with HTTP 200.

DNS records

A
  • 216.198.79.1
AAAA
No records found.
MX
  • 1 smtp.google.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 builder.group — 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
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=63072000
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://builder.group/HTTP 308

    → https://builder.group/

  2. 2.https://builder.group/HTTP 307

    → https://www.builder.group/

  3. 3.https://www.builder.group/HTTP 200

Meta tags

Title
builder.group — Indie Software Studio
Description
builder.group is an indie software studio shipping SaaS products and open-source TypeScript libraries in public. Home of Saku, FocusCat, Kairos, Tapling, feature-fetch, ecsify, and more.
Canonical
https://builder.group
Robots
index, follow
Generator
Not set
Open Graph title
builder.group — Indie Software Studio
Open Graph description
An indie software studio shipping SaaS products and open-source TypeScript libraries in public. Home of Saku, FocusCat, Kairos, Tapling, feature-fetch, ecsify, and more.
Open Graph image
https://builder.group/og.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
builder.group
Twitter image
https://builder.group/og.png

robots.txt

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

Sitemap declared:

  • https://builder.group/sitemap.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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Similar connectivity

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