courseco.com

HTML metadata

Technology

Server

Apache

CMS

Joomla

Analytics

• Google Tag Manager

Third-party hosts loaded (5)

• demo.1-2-1marketing.com×5
• cdn.userway.org×1
• cdnjs.cloudflare.com×1
• translate.google.com×1
• www.googletagmanager.com×1

Social

• facebook
• instagram
• linkedin

Contact

Phone

• 707.763.0335

Registration

Registrar

Tucows Domains Inc.

Created

1997-01-08

Expires

2027-01-07 219 days left

Updated

2025-11-24

Name servers

• ns10.dnsmadeeasy.com
• ns11.dnsmadeeasy.com
• ns12.dnsmadeeasy.com
• ns13.dnsmadeeasy.com
• ns14.dnsmadeeasy.com
• ns15.dnsmadeeasy.com

DNS records live

NS

• ns20.digicertdns.com
• ns21.digicertdns.com
• ns22.digicertdns.com
• ns23.digicertdns.net
• ns24.digicertdns.net
• ns25.digicertdns.net

MX

• 2 courseco-com.mail.protection.outlook.com

Verified for

• Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:sendgrid.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

policy: none (monitoring only)

DKIM

• selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6eKOkFJ40Ik1fEheUB5WQDIp01YuuPdgsRwjxHU9tbtYIOJZSyrxu2159bb4Wc2d6w3lZkRM1QiYuK…
• s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsRJqIqj0DAaDfFt3Bvx4AxAWm9abl8ytIrBF2eFU6rwkXx21y5ylGJuygbuXz7HwwgWqKvgsT2SNxNy/gn…
• s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx62E0v5HpaD/LcMCeSlNJ+TUaFAAhx3wf4MTuWROPPBY4A6KpGF7L7+FYW4YXxTfu7ywKykPUzZVN9PUSx…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.courseco.com/

present

• x-content-type-options

findings

• missing HSTS
• missing Content Security Policy
• missing frame protection
• missing Referrer Policy
• missing Permissions Policy

Links to (4)

• 1-2-1marketing.com×1
• facebook.com×1
• instagram.com×1
• linkedin.com×1

Linked from (1)

• tandemglobal.org×1