pythonshow.com
HTML metadata
Technology
- CDN
- Cloudflare
- CMS
- Gatsby
- Analytics
-
- Cloudflare Insights
- Fonts
-
- Google Fonts
Third-party hosts loaded (4)
- substackcdn.com×257
- fonts.gstatic.com×1
- js.sentry-cdn.com×1
- static.cloudflareinsights.com×1
Registration
- Registrar
- DreamHost, LLC
- Created
- 2023-05-05
- Expires
- 2027-05-05 351 days left
- Updated
- 2026-04-04
- Name servers
-
- ns1.dreamhost.com
- ns2.dreamhost.com
- ns3.dreamhost.com
DNS records live
- NS
-
- ns1.dreamhost.com
- ns2.dreamhost.com
- ns3.dreamhost.com
- MX
-
- 0 mx1.mailchannels.net
- 0 mx2.mailchannels.net
Email authentication weak
- SPF
-
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 59 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