cambiumlearning.com

HTML metadata

Title: Home | Cambium Learning Group
Description: The Education Essentials company. Cambium provides award-winning education technology and supplemental K-12 solutions | Cambium Learning Group
Language: en
Canonical: https://www.cambiumlearning.com/

Open Graph

url: https://www.cambiumlearning.com/
title: Home | Cambium Learning Group
description: Cambium Learning® Group is the education essentials company.™ Through our family of companies and across all areas of our business, we focus on providing the elements that are most essential to the success of education.

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Social widgets

Vimeo Embed

Third-party hosts loaded (2)

player.vimeo.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

MarkMonitor Inc.

Created

2003-08-15

Expires

2028-08-15 818 days left

Updated

2025-07-29

Name servers

ns1.cambiumlearning.com
ns2.cambiumlearning.com

DNS records live

NS

ns1.cambiumlearning.com
ns2.cambiumlearning.com

MX

10 us-smtp-inbound-1.mimecast.com
10 us-smtp-inbound-2.mimecast.com

Email authentication strong

SPF

v=spf1 ip4:50.238.167.160/27 ip4:66.151.242.3 ip4:67.139.115.194 ip4:98.110.223.0/24 ip4:208.85.53.0/24 ip4:149.72.231.47 ip4:149.72.196.66 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.happyfox.com include:spfa.navexglobal.com include:amazonses.com include:_spf.salesforce.com ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:2e7f13de7e6b838@rep.dmarcanalyzer.com; ruf=mailto:2e7f13de7e6b838@for.dmarcanalyzer.com; fo=1;

policy: quarantine

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApx9uWdTtHGOsOJGbIvWzZVh4K7dO+k7OHCXkK3Qa7DucJbuO90yuxB1BmbOTAL//+ZYX741mX++SfJ…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDqJhFyNSg0RUGuDxyOu8rQkso5cRl9aPAgljQBNPBObEvPbfpPKUv0a7+3eULgBAiY0/cOkNBqRI4OVm7usX…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDhe4RZeHQRAi+lPQcy1Npk462OJCWuWPn1RwZv1lgkDrOTVYnZ1GXigUCyL6rMRj6pZPa+jg8WCthmA/yA9C…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA OV R36

from 2025-07-21 to 2026-07-22

Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.cambiumlearning.com/

present

content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: base-uri 'self';connect-src 'self' *.doubleclick.net *.google-analytics.com analytics.google.com *.bugsnag.com *.pusherapp.com *.bugherd.com *.pusher.com *.fontawesome.com svc.webspellchecker.net;default-src 'self';font-src 'self' data: *.typekit.net *.gstatic.com *.bugherd.com *.cloudfront.net *.cdnfonts.com *.fontawesome.com;frame-ancestors 'self';frame-src 'self' *.youtube.com *.vimeo.com;img-src 'self' blob: data: *.google-analytics.com *.vimeocdn.com *.googletagmanager.com *.cloudfront.net;media-src 'self';object-src 'none';script-src 'self' 'unsafe-inline' 'unsafe-eval' *.google-analytics.com *.googletagmanager.com *.bugherd.com *.cloudfront.net *.fontawesome.com *.jsdelivr.net svc.webspellchecker.net;style-src 'self' 'unsafe-inline' *.typekit.net *.googleapis.com *.bugherd.com *.cloudfront.net *.cdnfonts.com *.jsdelivr.net *.cloudflare.com;worker-src 'none';