indexo.dev

gribnau.dev

.dev crawl

First seen 2026-04-14 · Last seen 2026-05-04 · ok HTTP/1.1 200 704 ms crawled 2026-05-07

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Home // Don't panic, impl Things
Description
A blog by Martijn Gribnau
Language
en
Feeds

Open Graph

url
https://gribnau.dev/
title
Don't panic, impl Things | Home
description
A blog by Martijn Gribnau

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • unpkg.com×1

Social

Contact

Email

DNS records live

NS
  • ns1.openprovider.nl
  • ns2.openprovider.be
  • ns3.openprovider.eu
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
TXT
  • protonmail-verification=8a0410773fe17a3c51fc84cb380874762b1a86ce

Email authentication strong

SPF
v=spf1 include:_spf.protonmail.ch ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-02 to 2026-07-31
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://gribnau.dev/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (4)

Linked from (1)