stefanwienert.de

.de dns crawl

First seen 2026-05-07 · Last seen 2026-05-14 · ok HTTP/1.1 200 808 ms crawled 2026-05-14

DE · 116.203.99.71 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Stefan Wienert's Blog | Stefan's Blog
Description: I am a web developer from Germany, mostly working with Ruby on Rails, but also like to do Frontend Javascript with Vue, Svelte, Server-Deployment with Docker, Ansible, Terraform on Hetzner Cloud or build small mobile Apps with Flutter.
Language: en
Canonical: https://www.stefanwienert.de/

Open Graph

url: https://www.stefanwienert.de/
title: Stefan Wienert’s Blog
locale: en_US
site name: Stefan’s Blog
description: I am a web developer from Germany, mostly working with Ruby on Rails, but also like to do Frontend Javascript with Vue, Svelte, Server-Deployment with Docker, Ansible, Terraform on Hetzner Cloud or build small mobile Apps with Flutter.

Technology

Server: Caddy
CMS: Gatsby

Social

Registration

Updated

2019-08-23

Name servers

ns1.first-ns.de.
robotns2.second-ns.de.
robotns3.second-ns.com.

DNS records live

NS

ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com

MX

10 box.stefanwienert.de

Email authentication strong

SPF

v=spf1 mx -all

strict (-all)

DMARC

v=DMARC1; p=quarantine

policy: quarantine

DKIM

mail: v=DKIM1; h=sha256; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvBAjxKEV9+WeyIyWhMVS2pEqLHednb4iZhvZ8OHJ7KoWTtR4X+zDuPFcT1V…

selectors probed

Certificate (current)

from 2026-05-09 to 2026-08-07

Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.stefanwienert.de/

findings

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