indexo.dev

cfbolz.de

.de crawl

First seen 2026-05-30 · Last seen 2026-05-30 · ok HTTP/1.1 200 88 ms crawled 2026-05-31

DE · 188.40.28.162 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Hello! | CF Bolz-Tereick's Web Page
Language
en
Generator
Nikola (getnikola.com)
Canonical
https://cfbolz.de/
Translations
  • en
Feeds

Open Graph

url
https://cfbolz.de/
title
Hello!
site name
CF Bolz-Tereick's Web Page
description
I am a researcher interested in the efficient implementation of dynamic programming languages, teaching half-time at Heinrich-Heine-Universität Düsseldorf. I live in Duisburg. I used to work with Laur

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Social

Registration

Updated
2021-09-16
Name servers
  • ns1.your-server.de.
  • ns3.second-ns.de.
  • ns.second-ns.com.

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 10 www262.your-server.de

Email authentication weak

SPF
v=spf1 +a +mx ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-01 to 2026-06-30
Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (13)

Linked from (1)