indexo.dev

postkartenschach.de

.de crawl

First seen 2026-04-25 · Last seen 2026-05-18 · ok HTTP/1.1 200 493 ms crawled 2026-05-18

DE · 80.150.6.143 · AS3320 Deutsche Telekom AG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
postkartenschach.de
Description
Wir bieten pures reines Schachvergnügen - keine Community, keine Chats, keine tausend Spielvarianten. Nur pures Schachvergnügen. Damit postkartenschach.de nicht zum Zeitfresser wird, gibt es nur einen Zug pro Tag und Partie.
Canonical
https://www.postkartenschach.de

Technology

Server
IONOS

Contact

Email
Address
Alexander ThielKaysers Kamp 2726188 Edewechta@t-78.de0175/5243622

Registration

Updated
2024-01-11
Name servers
  • dns01-tld.t-online.de.
  • dns02-tld.t-online.de.

DNS records live

NS
  • dns01-tld.t-online.de
  • dns02-tld.t-online.de
MX
  • 10 smtp-01.tld.t-online.de
  • 10 smtp-02.tld.t-online.de
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.hier-im-netz.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-19 to 2026-07-18
Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://postkartenschach.de/

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

Links to (2)

Linked from (1)