indexo.dev

twenty1st.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 592 ms crawled 2026-05-06

DE · 91.233.86.120 · AS20647 IPB Internet Provider in Berlin GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Attikon twenty 1st
Language
de-DE
Generator
WordPress 6.4.3
Canonical
https://twenty1st.de/
Feeds

Technology

Server
Apache
CMS
WordPress

Contact

Email
Phone
Address
st Gesundheit & Vorsorge GmbHRichard-Byrd-Str. 35508

Registration

Updated
2021-04-16
Name servers
  • ns1.hosting-pilot.com.
  • ns2.hosting-pilot.de.

DNS records live

NS
  • ns1.hosting-pilot.com
  • ns2.hosting-pilot.de
MX
  • 10 twenty1st-de.mail.protection.outlook.com
TXT
  • MS=ms34593926
  • MS=ms72198802

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-14 to 2026-07-13
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://twenty1st.de/

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

Links to (2)

Linked from (3)