jeremysarber.com
HTML metadata
Technology
- CDN
- Cloudflare
- CMS
- Gatsby
- Analytics
-
- Cloudflare Insights
- Fonts
-
- Google Fonts
Third-party hosts loaded (5)
- substackcdn.com×254
- images.unsplash.com×2
- fonts.gstatic.com×1
- js.sentry-cdn.com×1
- static.cloudflareinsights.com×1
Registration
- Registrar
- Cloudflare, Inc.
- Created
- 2006-09-09
- Expires
- 2026-09-09 111 days left
- Updated
- 2025-08-10
- Name servers
-
- guy.ns.cloudflare.com
- megan.ns.cloudflare.com
DNS records
- MX
-
- 10 mx01.mail.icloud.com
- 10 mx02.mail.icloud.com
- TXT
-
apple-domain=soJvPYekmIWFrUDQ
- Verified for
-
Email authentication partial
- SPF
-
v=spf1 include:icloud.com ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=none; rua=mailto:429f790ff1ce48da84407e6d056ab956@dmarc-reports.cloudflare.netpolicy: none (monitoring only) - DKIM
- no key found at common selectors
Certificate (current)
E7
Expires in 33 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