johner-institute.com
HTML metadata
Technology
- CDN
- Cloudflare
- Analytics
-
- Google Tag Manager
Third-party hosts loaded (1)
- www.googletagmanager.com×1
Social
Contact
- Phone
Registration
- Registrar
- IONOS SE
- Created
- 2005-09-01
- Expires
- 2026-09-01 89 days left
- Updated
- 2025-09-02
- Name servers
-
- olga.ns.cloudflare.com
- zeus.ns.cloudflare.com
DNS records live
- NS
-
- olga.ns.cloudflare.com
- zeus.ns.cloudflare.com
- MX
-
- 0 johnerinstitute-com01e.mail.protection.outlook.com
- Verified for
-
- 1Password
- Ahrefs
- Apple
- Atlassian
- GlobalSign
- Microsoft 365
Email authentication strong
- SPF
-
v=spf1 include:spf.crsend.com include:_spf.google.com include:spf.protection.outlook.com include:25622905.spf08.hubspotemail.net include:20262628.spf05.hubspotemail.net ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=reject; rua=mailto:email-security@johner-institut.de;policy: reject (enforced) - DKIM
-
- google:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp/k8fiTz5H2vKs5K6G0Zt5PUFO3U1yseCi2Gv0QuCalzPkAZ3u0IMw79tBBPbTp2cYCnn05o708Cu0… - selector1:
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxZ6CUtXV16jxQaWVEIfqr8J6hqKdpDULoBmrGEWUT7s0tyQzQbFR/ZiduOX1FnQH5DPnV2PpZOlwFb…
selectors probed - google:
Certificate (current)
WE1
Expires in 76 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- referrer-policy
- findings
-
- missing Content Security Policy
- weak content type protection
- missing Permissions Policy
Header values
- referrer-policy
no-referrer-when-downgrade- x-frame-options
sameorigin- x-content-type-options
nosniff, nosniff- strict-transport-security
max-age=15552000; includeSubDomains