indexo.dev

expii.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 3319 ms crawled 2026-05-09

US · 3.208.79.135 · AS14618 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Expii - Learn Creatively
Description
Expii is a free personalized learning website with thousands of math and science lessons, providing diverse ways to learn each topic, through interactive explanations and video.
Language
en

Open Graph

url
https://www.expii.com/
title
Expii - Learn Creatively
site name
expii
description
Expii is a free personalized learning website with thousands of math and science lessons, providing diverse ways to learn each topic, through interactive explanations and video.

Technology

Server
nginx
CMS
Gatsby
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • cdnjs.cloudflare.com×1
  • www.googletagmanager.com×1

Registration

Registrar
NameCheap, Inc.
Created
2008-11-17
Expires
2026-11-17 180 days left
Updated
2025-10-18
Name servers
  • ns-1145.awsdns-15.org
  • ns-1779.awsdns-30.co.uk
  • ns-401.awsdns-50.com
  • ns-830.awsdns-39.net

DNS records live

NS
  • ns-1145.awsdns-15.org
  • ns-1779.awsdns-30.co.uk
  • ns-401.awsdns-50.com
  • ns-830.awsdns-39.net
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
not published
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDoi+RyfsFEEZk/oulZ+P36HgxUyxmnW46KUW6RjewB3dMitxhg03KM00oStpCo85jhdt0TJuZfES3pcBEfY6…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxbCQyBvCcUWN/AbD7qLIvQT+r2YmXszQm07ZHmawxbfl8DxwXEH+aqryWtdzBnCWDTAtyGxM6J42EyzlEe…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCitwhAhGqJBeV1Up+tOKgRRtQNFDYcifOLyX6MM8nIWK2vXJAXWUrFPv1aobJVNZZRjPM6Z81p+EplvSTwruou2x…
selectors probed

Certificate (current)

Amazon RSA 2048 M04
from 2025-10-30 to 2026-11-28
Expires in 191 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.expii.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains; preload

Linked from (1)