leerdammer.ch
HTML metadata
Technology
- jQuery
- 3.7.1
- Cookie consent
-
- OneTrust
Third-party hosts loaded (2)
- images.ctfassets.net×21
- cdn.cookielaw.org×2
Social
DNS records live
- NS
-
- nsa.perf1.fr
- nsb.perf1.com
- nsc.perf1.com
- MX
-
- 5 mxa-00234701.gslb.pphosted.com
- 5 mxb-00234701.gslb.pphosted.com
- TXT
-
_pki-validation.leerdammer.ch
- Verified for
-
- GlobalSign
- Microsoft 365
Email authentication strong
- SPF
-
v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com include:sf1.lactalis.com include:sf2.lactalis.com -allstrict (-all) - DMARC
-
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.compolicy: reject (enforced) - DKIM
- no key found at common selectors
Certificate (current)
GlobalSign Atlas R46 DV TLS CA 2026 Q2
Expires in 84 days
HTTP security headers
- present
-
- strict-transport-security
- content-security-policy
- x-frame-options
- x-content-type-options
- referrer-policy
- findings
-
- missing Permissions Policy
Header values
- referrer-policy
strict-origin-when-cross-origin- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff- content-security-policy
frame-ancestors 'self' https://app.contentful.com- strict-transport-security
max-age=31536000; includeSubDomains; preload