marcindudek.dev

.dev crawl

First seen 2026-04-13 · Last seen 2026-05-03 · ok HTTP/1.1 200 807 ms crawled 2026-05-07

US · 172.67.182.209 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Marcin Dudek — Developer & Product Builder
Description: Full-stack developer and product builder. 15+ years shipping software — from WordPress plugins to AI-powered tools and SaaS. Former CTO, Toptal top 3%, 4.9★ on Fiverr.
Language: en
Canonical: https://marcindudek.dev/

Open Graph

url: https://marcindudek.dev/
title: Marcin Dudek — Developer & Product Builder
description: Full-stack developer and product builder. 15+ years shipping software — from WordPress plugins to AI-powered tools and SaaS. Former CTO, Toptal top 3%, 4.9★ on Fiverr.

Technology

CDN: Cloudflare

Fonts

Google Fonts

Third-party hosts loaded (3)

fonts.googleapis.com×3
fonts.gstatic.com×1
mws03-52117.wykr.es×1

Social

DNS records live

NS

cruz.ns.cloudflare.com
sam.ns.cloudflare.com

MX

10 outsider.mikr.us

TXT

google-site-verification=8li6DnPzMenBrwozfbYcc30YSi-i_rdEZ8Pmf4PyPZQ

Email authentication strong

SPF: v=spf1 a mx ip4:95.217.59.141 include:outsider.mikr.us include:spf.brevo.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none; fo=1; rua=mailto:noreply@marcindudek.dev
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-03-22 to 2026-06-20

Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://marcindudek.dev/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

CSP allows unsafe inline scripts/styles

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: geolocation=(), microphone=(), camera=()
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' https://rankinpublic.xyz; default-src 'self' 'unsafe-inline' 'unsafe-eval' https: data: 'unsafe-hashes';
strict-transport-security: max-age=31536000; includeSubDomains; preload

Links to (12)

Linked from (3)