skola-harrachov.cz
HTML metadata
Technology
- Server
- ATS
- CMS
- Joomla
- Analytics
-
- Google Tag Manager
Third-party hosts loaded (3)
- apis.google.com×1
- cdn.jsdelivr.net×1
- www.googletagmanager.com×1
DNS records live
- NS
-
- ns1.ignum.com
- ns2.ignum.cz
- MX
-
Show 6 MX records
- 1 aspmx.l.google.com
- 1 ms14599717.msv1.invalid.outlook.com.skola-harrachov.cz
- 10 aspmx2.googlemail.com
- 10 aspmx3.googlemail.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
- Verified for
-
- Microsoft 365
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 55 days
HTTP security headers
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy