indexo.dev

koellerer.net

.net crawl

First seen 2026-04-23 · Last seen 2026-05-16 · ok HTTP/1.1 200 6356 ms crawled 2026-05-16

AT · 81.19.159.5 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Dr. Christian Köllerers Notizen – 3000 Wiener Notizen über Klassiker, Kulturelles und Kosmopolitisches
Language
de
Generator
WordPress 5.8.13
Feeds

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • fonts.googleapis.com×2
  • js.stripe.com×2
  • gmpg.org×1
  • in.getclicky.com×1
  • s.w.org×1
  • static.getclicky.com×1

Registration

Registrar
World4You Internet Services GmbH
Created
2001-01-08
Expires
2027-01-08 234 days left
Updated
2026-01-09
Name servers
  • ns1.world4you.at
  • ns2.world4you.at

DNS records live

NS
  • ns1.world4you.at
  • ns2.world4you.at
MX
  • 10 mail.koellerer.net

Email authentication partial

SPF
v=spf1 mx include:spf.w4ymail.at -all
strict (-all)
DMARC
v=DMARC1;p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-09 to 2026-07-08
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.koellerer.net/

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

Links to (11)

Linked from (1)