codechain.io
HTML metadata
Technology
- CDN
- Fastly
- Server
- GitHub.com
- CMS
- Gatsby
- Analytics
-
- Google Tag Manager
Third-party hosts loaded (1)
- www.googletagmanager.com×1
DNS records live
- NS
-
- ns-1397.awsdns-46.org
- ns-1843.awsdns-38.co.uk
- ns-360.awsdns-45.com
- ns-639.awsdns-15.net
- MX
-
- 1 aspmx.l.google.com
- 10 aspmx2.googlemail.com
- 10 aspmx3.googlemail.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
- Verified for
-
Email authentication weak
- SPF
-
v=spf1 include:_spf.google.com include:sendgrid.net include:servers.mcsv.net ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 70 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