indexo.dev

c3s-frankfurt.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 4443 ms crawled 2026-05-19

DE · 85.10.213.160 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
C3S - Center for critical computational studies
Language
en
Canonical
https://www.c3s-frankfurt.de/

Technology

Server
Apache
Social widgets
  • YouTube Embed

Third-party hosts loaded (1)

  • www.youtube-nocookie.com×2

Registration

Updated
2023-05-09
Name servers
  • ns5.bachmanndesign.de.
  • ns6.bachmannit.de.
  • ns7.aenderfix.de.

DNS records live

NS
  • ns5.bachmanndesign.de
  • ns6.bachmannit.de
  • ns7.aenderfix.de
MX
  • 10 smtp.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
v=DMARC1;p=none;sp=none;pct=50;adkim=r;aspf=r;
policy: none (monitoring only) · pct=50 · sp=none
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2026-02-07 to 2027-02-07
Expires in 262 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.c3s-frankfurt.de/

present
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
permissions-policy
interest-cohort=()
x-content-type-options
nosniff

Links to (1)

Linked from (1)