principia.io
HTML metadata
Technology
- Server
- nginx
- CMS
- Gatsby
- Analytics
-
- Google Tag Manager
- Ads
-
- Google AdSense
Third-party hosts loaded (5)
- cdn.jsdelivr.net×3
- cdnjs.cloudflare.com×2
- cdn.rawgit.com×1
- pagead2.googlesyndication.com×1
- www.googletagmanager.com×1
Social
DNS records live
- NS
-
- ns1.digitalocean.com
- ns2.digitalocean.com
- ns3.digitalocean.com
- MX
-
- 10 mail.principia.io
- TXT
-
facebook-domain-verification=q381d65q163eggx1m09az831aymzgg
Email authentication partial
- SPF
-
v=spf1 include:_spf.mlsend.com a mx ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=none;policy: none (monitoring only) - DKIM
-
- k2:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed - k2:
Certificate (current)
E8
Expires in 79 days
HTTP security headers
- present
-
- x-frame-options
- findings
-
- missing HSTS
- missing Content Security Policy
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
SAMEORIGIN