indexo.dev

puzzle-championship.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 2257 ms crawled 2026-05-12

DE · 217.160.0.103 · AS8560 IONOS SE

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Schmidt Puzzle Championship 2026
Description
Puzzle Championship

Technology

Server
Apache

Contact

Email

Registration

Updated
2021-11-05
Name servers
  • ns1045.ui-dns.biz.
  • ns1045.ui-dns.com.
  • ns1045.ui-dns.de.
  • ns1045.ui-dns.org.

DNS records live

NS
  • ns1045.ui-dns.biz
  • ns1045.ui-dns.com
  • ns1045.ui-dns.de
  • ns1045.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication weak

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

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-10-22 to 2026-11-06
Expires in 169 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://puzzle-championship.de/

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 (1)