grimme-akademie.de
HTML metadata
Technology
- Server
- Apache
Third-party hosts loaded (1)
- ajax.googleapis.com×1
Social
Registration
- Updated
- 2026-02-16
- Name servers
-
- nsa5.schlundtech.de.
- nsb5.schlundtech.de.
- nsc5.schlundtech.de.
- nsd5.schlundtech.de.
DNS records live
- NS
-
- nsa5.schlundtech.de
- nsb5.schlundtech.de
- nsc5.schlundtech.de
- nsd5.schlundtech.de
- MX
-
- 10 grimmeakademie-de01e.mail.protection.outlook.com
- Verified for
-
- Meta
- Microsoft 365
Email authentication strong
- SPF
-
v=spf1 a:spf.grimme-institut.de include:spf.protection.outlook.com include:spf.crsend.com ~allsoftfail (~all) - DMARC
-
v=DMARC1;p=quarantine;ruf=mailto:postmaster@grimme-institut.depolicy: quarantine - DKIM
-
- selector1:
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCFgIw3LMICOIwVML9sr5kpiLydzHELKiDVe/OxYGPMEE44UoxgO/YiVeCmqxDacTyCmu4B1MVv/Oa13bt6nQ… - selector2:
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCL3LgvZRW9fs9mmcKQu3Q6+kcLO+BdhFMimugkmwagkGO+1pkL5GxjgZr49sK/f1s8LipS8w192pThoinMQi…
selectors probed - selector1:
Certificate (current)
R13
Expires in 76 days
HTTP security headers
- present
-
- x-frame-options
- findings
-
- missing HSTS
- missing Content Security Policy
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
SAMEORIGIN