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Domain report

gf.dev

gf.dev ranks in the top 0.46% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore gf.dev in the Web Graph

Connectivity

#609,580harmonic-centrality rank
Top percentile
0.46%
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://gf.dev/ answered with HTTP 200.

DNS records

A
  • 143.244.60.193
AAAA
  • 2607:fdc0:1:5:3eec:efff:fee1:95b3
MX
  • 40 route2.mx.cloudflare.net.
  • 48 route3.mx.cloudflare.net.
  • 83 route1.mx.cloudflare.net.
NS
  • clara.ns.cloudflare.com.
  • igor.ns.cloudflare.com.

Live preview

Screenshot of gf.dev

This site's Content-Security-Policy restricts embedding to specific origins ("frame-ancestors 'self' https://gf.dev"), which does not include StatsMyWeb.

Since gf.dev 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=86400
Content-Encoding
Not sent

Security

Content-Security-Policy
frame-ancestors 'self' https://gf.dev;
Strict-Transport-Security
Not sent
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://gf.dev/HTTP 301

    → https://gf.dev/

  2. 2.https://gf.dev/HTTP 200

Meta tags

Title
GF.dev Geek Tools - Made by Geeks
Description
A suite of free tools for developers and sysadmins. Check DNS, Security Headers, TTFB, and more.
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
GF.dev Geek Tools - Made by Geeks
Open Graph description
A suite of free tools for developers and sysadmins. Check DNS, Security Headers, TTFB, and more.
Open Graph image
https://gf.dev/static/og-image.jpg
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

gf.dev has no robots.txt.

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

Related domains

Similar connectivity

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