guentherklebinger.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 10885 ms crawled 2026-05-16

US · 104.21.22.150 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

Günther Klebinger – Ich schreibe Briefe

Description

Ich schreibe Briefe

Language

de

Feeds

Technology

CDN: Cloudflare
CMS: WordPress

Third-party hosts loaded (2)

i.ytimg.com×6
gmpg.org×1

Social

Registration

Updated

2026-04-10

Name servers

adam.ns.cloudflare.com.
jasmine.ns.cloudflare.com.

DNS records live

NS

adam.ns.cloudflare.com
jasmine.ns.cloudflare.com

MX

10 mail.protonmail.ch
20 mailsec.protonmail.ch

TXT

google-site-verification=-mgeQAXll7loCK9oSy2w78UPpHgjwVHoFES8ErjAdm4
protonmail-verification=8bfc3e04e6b949bcefbfcb509c32e1f714e23aea

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)

E8

from 2026-04-10 to 2026-07-09

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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)

mspr0.de×2