insterburg.org

.org crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 494 ms crawled 2026-06-01

US · 104.21.84.186 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Insterburg - Das beste Studiwohnheim in Karlsruhe
Language
de

Technology

CDN
Cloudflare
jQuery
2.1.3 known XSS (<3.5)

DNS records live

NS
  • ada.ns.cloudflare.com
  • will.ns.cloudflare.com
MX
  • 1 mx00.ionos.de
  • 2 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-13 to 2026-08-11
Expires in 70 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.insterburg.org/

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

Links to (1)

Linked from (2)