fheidenreich.de

.de dns

First seen 2026-05-03 · Last seen 2026-05-03 · ok HTTP/1.1 200 883 ms crawled 2026-05-10

DE · 88.99.27.130 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Florian Heidenreich – Indie Software Developer from Dresden
Generator: Hugo 0.154.5

Technology

Server: nginx
CMS: Hugo

Fonts

Font Awesome

Third-party hosts loaded (3)

cdn.jsdelivr.net×2
micro.blog×1
use.fontawesome.com×1

Social

Registration

Updated

2026-05-05

Name servers

a.regfish-ns.net.
b.regfish-ns.net.
c.regfish-ns.net.

DNS records live

NS

a.regfish-ns.net
b.regfish-ns.net
c.regfish-ns.net

MX

0 mail.fheidenreich.de

TXT

google-site-verification=tlmqZqo2xBKiKpI-Hbd7bSor9VFLwFg7QbaQzSVtZ0U

Email authentication partial

SPF

v=spf1 mx a a:europa.fheidenreich.de ~all

softfail (~all)

DMARC

v=DMARC1; p=none; pct=100; rua=mailto:re+umftrt8mtpg@dmarc.postmarkapp.com; sp=none; aspf=r;

policy: none (monitoring only) · sp=none

DKIM

default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdRLtE7xSgZVjjinT+ybOIKTNzYvZsAv8o86hq8jePRz2ZzhHgbUcCGgNMjBwZVs1HoAE6Gcm4X7QGTfUqZFCBKAHhl…

selectors probed

Certificate (current)

R13

from 2026-04-01 to 2026-06-30

Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://fheidenreich.de/

present

permissions-policy

findings

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

Header values

permissions-policy: interest-cohort=()