indexo.dev

sumdog.com

.com crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 802 ms crawled 2026-06-01

IE · 63.33.79.22 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Engaging Game-Based Learning for Maths and Spelling | Sumdog
Description
Helping children aged 5-14 enjoy learning, build confidence and make progress in maths and spelling. Discover Sumdog.
Language
en-gb
Generator
HubSpot
Canonical
https://learn.sumdog.com/en-gb/
Translations
  • en ×2

Open Graph

url
https://learn.sumdog.com/en-gb/
title
Engaging Game-Based Learning for Maths and Spelling | Sumdog
description
Helping children aged 5-14 enjoy learning, build confidence and make progress in maths and spelling. Discover Sumdog.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • hubspot-no-cache-eu1-prod.s3.amazonaws.com×4
  • www.googletagmanager.com×2
  • js-eu1.hubspot.com×1

Social

Contact

Email
Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2002-08-24
Expires
2026-08-24 81 days left
Updated
2025-08-25
Name servers
  • ns-1268.awsdns-30.org
  • ns-1947.awsdns-51.co.uk
  • ns-272.awsdns-34.com
  • ns-589.awsdns-09.net

DNS records live

NS
  • ns-1268.awsdns-30.org
  • ns-1947.awsdns-51.co.uk
  • ns-272.awsdns-34.com
  • ns-589.awsdns-09.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
  • Meta
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx ip4:46.226.1.18 include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:_spf.salesforce.com include:26608469.spf08.hubspotemail.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; sp=none; fo=0:1; rua=mailto:62457ce2b7fd1@ag.dmarcly.com; ruf=mailto:62457ce2b7fd1@fo.dmarcly.com;
policy: none (monitoring only) · sp=none
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlZ6LVE9hdd0oYXNq0GEV4TSQthvQUzrm61rrfe6yN9/ITxNm4pOPsynAUQiBFc5q1FxNMmG4f5OeqF…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

Amazon RSA 2048 M01
from 2025-11-24 to 2026-12-24
Expires in 203 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://learn.sumdog.com/en-gb/

present
  • strict-transport-security
  • content-security-policy
  • referrer-policy
findings
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
content-security-policy
upgrade-insecure-requests
strict-transport-security
max-age=31536000

Links to (7)

Linked from (1)