alphainacademia.com
HTML metadata
Technology
- CDN
- Cloudflare
- CMS
- Gatsby
- Analytics
-
- Cloudflare Insights
- Fonts
-
- Google Fonts
Third-party hosts loaded (4)
- substackcdn.com×249
- fonts.gstatic.com×1
- js.sentry-cdn.com×1
- static.cloudflareinsights.com×1
Registration
- Registrar
- GoDaddy.com, LLC
- Created
- 2026-04-13
- Expires
- 2027-04-13 327 days left
- Updated
- 2026-04-13
- Name servers
-
- ns07.domaincontrol.com
- ns08.domaincontrol.com
DNS records live
- NS
-
- ns07.domaincontrol.com
- ns08.domaincontrol.com
- MX
-
- 60 mxa.mailgun.org
- 60 mxb.mailgun.org
Email authentication strong
- SPF
-
v=spf1 include:mailgun.org ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;policy: quarantine - DKIM
-
- k1:
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBLyjLllmwr3a6OpXgQvjvcK6itph0+eHrDPYbG0uGBnawOUe4jjnuMbdB7UxSkAlCchclnV7gMSeeU/shHXY6qKgHng+…
selectors probed - k1:
Certificate (current)
E8
Expires in 69 days
HTTP security headers
- present
-
- strict-transport-security
- content-security-policy
- findings
-
- CSP uses wildcard sources
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- content-security-policy
frame-ancestors 'self' https://*.substack.com https://substack.com- strict-transport-security
max-age=31536000; includeSubDomains; preload