redbuttonedu.cz
HTML metadata
Technology
- Fonts
-
- Google Fonts
- Social widgets
-
- Vimeo Embed
Third-party hosts loaded (4)
- fonts.googleapis.com×2
- cdn.solidpixels.com×1
- player.vimeo.com×1
- webforms.pipedrive.com×1
Social
Contact
- Phone
DNS records live
- NS
-
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
- MX
-
- 1 aspmx.l.google.com
- 10 alt3.aspmx.l.google.com
- 10 alt4.aspmx.l.google.com
- 5 alt1.aspmx.l.google.com
- 5 alt2.aspmx.l.google.com
- Verified for
-
- Ahrefs
- Atlassian
Email authentication partial
- SPF
-
v=spf1 include:_spf.google.com include:spf.active24.com ip4:31.15.10.104 include:spf.smartemailing.cz ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=none; rua=mailto:dmarc+672211@smartemailing.cz; fo=1policy: none (monitoring only) - DKIM
-
- google:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvTwRtATamenV8QFPZEAbaS5Du7c12NPeBdS55IJhmkNIjqzlV9sQdDPl79ewsKUieIhPc2WUgDlxPG… - k2:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed - google:
Certificate (current)
E7
Expires in 79 days
HTTP security headers
- present
-
- strict-transport-security
- content-security-policy
- x-content-type-options
- referrer-policy
- permissions-policy
- findings
-
- CSP uses wildcard sources
- missing frame protection
Header values
- referrer-policy
no-referrer-when-downgrade- permissions-policy
microphone=(), camera=(), geolocation=(self)- x-content-type-options
nosniff- content-security-policy
frame-ancestors 'self' https://*.solidpixels.net https://*.solidpixels.com https://*.solidpixels.cz; report-uri https://o4510499984769024.ingest.de.sentry.io/api/4510499988373584/security/?sentry_key=79fdf04e7859269363a6a291a44f1978- strict-transport-security
max-age=63072000; includeSubDomains; preload