indexo.dev

schachbrief.de

.de crawl

First seen 2026-05-04 · Last seen 2026-05-04 · ok HTTP/1.1 200 390 ms crawled 2026-05-11

DE · 136.243.150.205 · AS24940 Hetzner Online GmbH

Reputation 62/100 wrong cert weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
Chessletter.com
Description
Publisher of high quality chess programs and databases. Offers a free access to a regulary updated online database.

Technology

Server
Microsoft-IIS

Registration

Updated
2021-01-15
Name servers
  • ns59.domaincontrol.com.
  • ns60.domaincontrol.com.

DNS records live

NS
  • ns59.domaincontrol.com
  • ns60.domaincontrol.com
MX
  • 50 mail.schachbrief.de

Email authentication weak

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

Certificate (current) wrong cert

GeoTrust TLS RSA CA G1
from 2025-07-17 to 2026-08-18
Expires in 91 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://schachbrief.de/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)