indexo.dev

imtek.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 1503 ms crawled 2026-05-07

DE · 132.230.103.47 · AS553 Universitaet Stuttgart

Reputation 67/100 wrong cert no dmarc policy

Classifying

HTML metadata

Title
Welcome to nginx!

Technology

Server
nginx

Registration

Updated
2017-01-19
Name servers
  • atlas.informatik.uni-freiburg.de.
  • dns0.fun.uni-freiburg.de.
  • dns1.belwue.de.
  • dns1.fun.uni-freiburg.de.
  • dns3.belwue.de.

DNS records live

NS
  • dns0.fun.uni-freiburg.de
  • dns1.belwue.de
  • dns1.fun.uni-freiburg.de
  • dns3.belwue.de
  • dns5.belwue.de
MX
  • 1000 a1421.mx.srv.dfn.de
  • 1000 b1421.mx.srv.dfn.de
  • 1000 c1421.mx.srv.dfn.de
TXT
  • v=spf1redirect=_spf.uni-freiburg.de

Email authentication partial

SPF
v=spf1redirect=_spf.uni-freiburg.de
no all qualifier
DMARC
not published
DKIM
  • s1: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3vnerplKmg0ZUy7TrHtfNuQ1ACjLjOnTUcmEe+nhDxfeRI84AMFfki4FXcuNhMdotd67P6R5AlECBZCC4pABOjXOxy…
selectors probed

Certificate (current) wrong cert

GEANT TLS ECC 1
from 2025-12-10 to 2026-12-10
Expires in 205 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked over plain HTTP: http://imtek.de/

present
  • strict-transport-security
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=15768000; includeSubDomains
content-security-policy-report-only
default-src 'self'; img-src *; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'

Links to (2)

Linked from (2)