indexo.dev

theodorianum.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 1161 ms crawled 2026-05-08

DE · 167.235.242.242 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Gymnasium Theodorianum Paderborn

Technology

Server
Apache

Registration

Updated
2020-10-22
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 100 mxlb.ispgateway.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-10 to 2026-07-09
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.theodorianum.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000;

Links to (1)

Linked from (1)