indexo.dev

mathdiploma.com

.com crawl

First seen 2026-06-02 · Last seen 2026-06-17 · ok HTTP/1.1 200 909 ms crawled 2026-06-16

US · 159.89.36.112 · AS14061 DigitalOcean, LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Practice math for grades 1, 2, 3, 4, 5, and 6 on Mathdiploma.com
Description
Unlimited multiplication and division exercises, addition and subtraction sums, and play math games and Practice elementary school math here.
Language
en
Canonical
https://www.mathdiploma.com/
Translations
  • de ×3
  • en ×2
  • nl ×2
  • es
  • fr
  • it
  • no
  • sv

Open Graph

url
https://www.mathdiploma.com/
title
Practice math for grades 1, 2, 3, 4, 5, and 6 on Mathdiploma.com
description
Unlimited multiplication and division exercises, addition and subtraction sums, and play math games and Practice elementary school math here.

Technology

Server
nginx
CMS
Gatsby
jQuery
2.1.3 known XSS (<3.5)
Ads
  • Google AdSense
Fonts
  • Font Awesome
Third-party hosts loaded (20)
  • cdn-r-1.bvkstatic.com×14
  • cdn-t-1.bvkstatic.com×8
  • cdnjs.cloudflare.com×4
  • cdn-t-2.bvkstatic.com×2
  • www.rekenen.nl×2
  • ajax.googleapis.com×1
  • cdn-t-3.bvkstatic.com×1
  • pagead2.googlesyndication.com×1
  • use.fontawesome.com×1
  • www.exercicesdemaths.fr×1
  • www.giochidimatematica.it×1
  • www.matematicaescolar.com×1
  • www.matematikonline.se×1
  • www.mathestern.at×1
  • www.mathestern.ch×1
  • www.mathestern.de×1
  • www.mathsdiploma.co.uk×1
  • www.matteoppgaver.com×1
  • www.rekenenoefenen.be×1
  • www.tafeldiploma.nl×1

Registration

Registrar
Key-Systems GmbH
Created
2018-12-11
Expires
2026-12-11 176 days left
Updated
2025-12-12
Name servers
  • dns1.p04.nsone.net
  • dns2.p04.nsone.net
  • dns3.p04.nsone.net
  • dns4.p04.nsone.net

DNS records live

NS
  • dns1.p04.nsone.net
  • dns2.p04.nsone.net
  • dns3.p04.nsone.net
  • dns4.p04.nsone.net
MX
  • 10 primary.mail.pcextreme.nl
  • 20 fallback.mail.pcextreme.nl

Email authentication weak

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

Certificate (current)

R12
from 2026-05-28 to 2026-08-26
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.mathdiploma.com/

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

Links to (11)

Linked from (12)

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