indexo.dev

katharinasickert.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-12 · ok HTTP/1.1 200 1268 ms crawled 2026-05-15

DE · 109.230.254.150 · AS197071 active 1 GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
katharina sickert • kunst • malerei • zeichnnung
Description
Katharina Sickert aus Hannover stellt einen Ausschnitt ihrer künstlerischen Arbeit vor: Malerei und Zeichnungen

Technology

Server
Apache

Registration

Updated
2018-06-12
Name servers
  • ns3.systix.de.
  • ns4.systix.de.

DNS records live

NS
  • ns3.systix.de
  • ns4.systix.de
MX
  • 10 mail.systix.de

Email authentication weak

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

Certificate (current)

R12
from 2026-05-01 to 2026-07-30
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://katharinasickert.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • short HSTS max-age
  • 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=0

Linked from (1)