understandingdms.com
HTML metadata
Technology
- CDN
- Cloudflare
- CMS
- Gatsby
- Analytics
-
- Cloudflare Insights
- Fonts
-
- Google Fonts
Third-party hosts loaded (4)
- substackcdn.com×262
- fonts.gstatic.com×1
- js.sentry-cdn.com×1
- static.cloudflareinsights.com×1
Registration
- Registrar
- IONOS SE
- Created
- 2025-05-07
- Updated
- 2025-05-07
- Name servers
-
- ns1018.ui-dns.biz
- ns1049.ui-dns.com
- ns1079.ui-dns.de
- ns1092.ui-dns.org
DNS records live
- NS
-
- ns1018.ui-dns.biz
- ns1049.ui-dns.com
- ns1079.ui-dns.de
- ns1092.ui-dns.org
- MX
-
- 10 mx00.ionos.co.uk
- 10 mx01.ionos.co.uk
- TXT
-
v=spf1 include:_spf-eu.ionos.com ~all
Certificate (current)
E7
Expires in 19 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