indexo.dev

hialbert.co.uk

.uk crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 436 ms crawled 2026-06-02

DE · 63.176.8.218 · AS16509 Amazon.com, Inc.

Reputation 92/100 weak subdomain policy

Classifying

HTML metadata

Title
Albert
Description
Albert is a digital maths teacher for children. Developed by educators, teachers and researchers to teach maths in a smart, fun and educational way.
Language
en

Open Graph

site name
Albert
description
Albert is a digital maths teacher for children. Developed by educators, teachers and researchers to teach maths in a smart, fun and educational way.

Technology

CDN
Netlify
CMS
Next.js
JS framework
Next.js

Third-party hosts loaded (1)

  • www.datocms-assets.com×23

Social

DNS records live

NS
  • dns1.p02.nsone.net
  • dns2.p02.nsone.net
  • dns3.p02.nsone.net
  • dns4.p02.nsone.net
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google
  • Meta

Email authentication strong

SPF
v=spf1 include:mail.zendesk.com include:_spf.google.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=none; pct=100; ri=86400; rua=mailto:info@hialbert.co.uk,mailto:dmarc_agg@vali.email, mailto:dmarc@hejalbert.se
policy: reject (enforced) · sp=none
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-16 to 2026-08-14
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://hialbert.co.uk/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (6)

Linked from (1)