indexo.dev

cardiotennisinstructor.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 2447 ms crawled 2026-05-06

US · 172.67.220.191 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Cardio Tennis Education
Description
The source for Cardio Tennis education for tennis and fitness instructors. Find on-line courses, course registration and programming.
Language
en
Canonical
https://www.cardiotennisinstructor.com

Open Graph

url
https://www.cardiotennisinstructor.com
title
Cardio Tennis Education
description
The source for Cardio Tennis education for tennis and fitness instructors. Find on-line courses, course registration and programming.

Technology

CDN
Cloudflare
Fonts
  • Font Awesome
  • Google Fonts
Third-party hosts loaded (7)
  • kajabi-app-assets.kajabi-cdn.com×7
  • kajabi-storefronts-production.kajabi-cdn.com×7
  • cdn.jsdelivr.net×5
  • fast.wistia.com×1
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • use.fontawesome.com×1

Social

Contact

Phone

Registration

Registrar
Network Solutions, LLC
Created
2021-06-27
Expires
2029-06-27 1133 days left
Updated
2025-12-11
Name servers
  • jermaine.ns.cloudflare.com
  • joyce.ns.cloudflare.com

DNS records live

NS
  • jermaine.ns.cloudflare.com
  • joyce.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1
from 2026-03-24 to 2026-06-22
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.cardiotennisinstructor.com/

present
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • CSP uses wildcard sources
  • weak frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
ALLOW-FROM https://app.kajabi.com https://app.vibely.io https://communities.kajabi.com https://communities-widget.kajabi.com *.mykajabi.com https://communities.newkajabi-staging.com https://communities-widget.newkajabi-staging.com https://www.cardiotennisinstructor.com
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self' https://app.kajabi.com https://app.vibely.io https://communities.kajabi.com https://communities-widget.kajabi.com *.mykajabi.com https://communities.newkajabi-staging.com https://communities-widget.newkajabi-staging.com https://www.cardiotennisinstructor.com

Links to (4)

Linked from (1)