compilerbook.com
HTML metadata
Technology
- CDN
- Netlify
Third-party hosts loaded (3)
- pbs.twimg.com×13
- code.jquery.com×1
- stackpath.bootstrapcdn.com×1
Social
Registration
- Registrar
- 1API GmbH
- Created
- 2018-02-06
- Expires
- 2027-02-06 263 days left
- Updated
- 2026-02-01
- Name servers
-
- ns1.dnsimple.com
- ns2.dnsimple-edge.net
- ns3.dnsimple.com
- ns4.dnsimple-edge.org
DNS records live
- NS
-
- ns1.dnsimple.com
- ns2.dnsimple-edge.net
- ns3.dnsimple.com
- ns4.dnsimple-edge.org
- TXT
-
ALIAS for compilerbook.netlify.com
Email authentication no MX
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E7
Expires in 23 days
HTTP security headers
- present
-
- strict-transport-security
- findings
-
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- strict-transport-security
max-age=31536000