jcnf.me
HTML metadata
Technology
- CDN
- Fastly
- Server
- GitHub.com
- CMS
- Gatsby
Third-party hosts loaded (1)
- cdn.jsdelivr.net×1
Social
Contact
DNS records live
- NS
-
- ns-cloud-a1.googledomains.com
- ns-cloud-a2.googledomains.com
- ns-cloud-a3.googledomains.com
- ns-cloud-a4.googledomains.com
- MX
-
- 10 mail.protonmail.ch
- 20 mailsec.protonmail.ch
- TXT
-
google-site-verification=mKR-4ThkvmzOqE-vi2A61kLFgPQQLHVpIv50PZfs4RU1kLFgPQQLHVpIv50PZfs4RUprotonmail-verification=4b12e77beedc8ab997272886c3c7e51ad86cd060
Email authentication strong
- SPF
-
v=spf1 include:_spf.protonmail.ch ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=quarantinepolicy: quarantine - DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 62 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=31556952