indexo.dev

schwimmkalender.de

.de crawl

First seen 2026-06-11 · Last seen 2026-06-11 · ok HTTP/1.1 200 577 ms crawled 2026-06-11

DE · 195.201.215.11 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
schwimmkalender.de 11.06.2026
Description
Schwimmkalender,Langstreckenschwimmen,langstreckenschwimmen,24-Stunden-Schwimmen,12-Stunden-Schwimmen,Freiwasserschwimmen, Freiwasser, Open Water
Language
de

Technology

Server
Apache

Registration

Updated
2019-12-23
Name servers
  • ns1.your-server.de.
  • ns3.second-ns.de.
  • ns.second-ns.com.

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 10 mail.schwimmkalender.de
Verified for
  • Google

Email authentication weak

SPF
v=spf1 +a +mx ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-12 to 2026-08-10
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.schwimmkalender.de/sk_kalender/views/start.php?d=0&id=13709973260628912550827343483719078919062

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

Linked from (1)

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