indexo.dev

mathed.page

.page user

First seen 2026-05-20 · Last seen 2026-05-20 · ok HTTP/1.1 200 2244 ms crawled 2026-06-03

US · 23.251.153.26 · AS396982 Google LLC

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title
Home | www.MathEd.page
Description
Home page for Henri Picciotto's Math Education Page
Generator
BBEdit

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • www.mathed.page×51
  • cdn.mathjax.org×1
  • www.googletagmanager.com×1

Registration

Registrar
Tucows Domains Inc
Created
2018-10-09
Expires
2026-10-09 120 days left
Updated
2025-10-08
Name servers
  • ns5.dnsmadeeasy.com
  • ns6.dnsmadeeasy.com
  • ns7.dnsmadeeasy.com

DNS records live

NS
  • ns5.dnsmadeeasy.com
  • ns6.dnsmadeeasy.com
  • ns7.dnsmadeeasy.com
MX
Show 7 MX records
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 10 aspmx4.googlemail.com
  • 10 aspmx5.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 mx include:gmail.com include:spf.ymlp.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-22 to 2026-08-20
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (2)

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