indexo.dev

gf.dev

.dev crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 127 ms crawled 2026-05-19

FI · 37.27.135.61 · AS24940 Hetzner Online GmbH

Reputation 75/100 listed in spam blocklist

Classifying

HTML metadata

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.
Language
en

Open Graph

url
https://gf.dev/
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.

Technology

Server
BunnyCDN-FI1-1208
CMS
Gatsby
Ads
  • Google AdSense

Third-party hosts loaded (2)

  • pagead2.googlesyndication.com×1
  • static.getclicky.com×1

DNS records live

NS
  • clara.ns.cloudflare.com
  • igor.ns.cloudflare.com
Verified for
  • Google

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-17 to 2026-07-16
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://gf.dev/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
frame-ancestors 'self' https://gf.dev;

Linked from (2)