indexo.dev

12tennis.at

.at crawl

First seen 2026-06-14 · Last seen 2026-06-14 · ok HTTP/1.1 200 677 ms crawled 2026-06-14

DE · 165.22.22.166 · AS14061 DigitalOcean, LLC

Reputation 100/100

Classifying

HTML metadata

Title
Online Tennis Buchungssystem | 12tennis.at
Description
Online Tennisplätze reservieren ist nun ganz einfach mit 12tennis.at. Ein Buchungssystem speziell für Vereine und Tennisspieler entwickelt.
Language
de
Canonical
http://www.12tennis.at/

Open Graph

url
https://www.12tennis.at/
title
12tennis.at: Online Tennisplatz-Buchungssystem
site name
12tennis.at
description
Online Tennisplätze reservieren ist nun ganz einfach mit 12tennis.at. Ein Buchungssystem speziell für Vereine und Tennisspieler entwickelt.

Technology

Server
gunicorn
CMS
Gatsby
jQuery
3.2.1 known XSS (<3.5)
Analytics
  • Google Tag Manager
Social widgets
  • YouTube Embed

Third-party hosts loaded (5)

  • play.google.com×2
  • cdn.polyfill.io×1
  • www.facebook.com×1
  • www.googletagmanager.com×1
  • www.youtube-nocookie.com×1

Social

Contact

Email

DNS records live

NS
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com
MX
  • 10 w01a3181.kasserver.com

Email authentication strong

SPF
v=spf1 mx -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:;
policy: reject (enforced)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

YR1
from 2026-06-06 to 2026-09-04
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.12tennis.at/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • weak content type protection
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff, nosniff

Links to (3)

Linked from (1)

Use this data via API

Everything on this page for 12tennis.at is available as JSON from the indexo.dev REST & MCP API.

curl "https://indexo.dev/api/v1/domains/12tennis.at" \
  -H "X-API-Key: idx_..."

Read the docs & get a free key →

Add a badge to your site

Own 12tennis.at? Show it's tracked on indexo.dev and link visitors straight to this page.

indexo.dev — 12tennis.at

<a href="https://indexo.dev/12tennis.at" target="_blank" rel="noopener">
  <img src="https://indexo.dev/12tennis.at/badge.svg" alt="indexo.dev — 12tennis.at">
</a>