oskar-lernt-englisch.de
HTML metadata
Technology
- CDN
- Cloudflare
- CMS
- Gatsby
Social
Contact
- Phone
Registration
- Updated
- 2025-08-06
- Name servers
-
- penny.ns.cloudflare.com.
- yevgen.ns.cloudflare.com.
DNS records live
- NS
-
- penny.ns.cloudflare.com
- yevgen.ns.cloudflare.com
- MX
-
- 10 mx01.hornetsecurity.com
- 20 mx02.hornetsecurity.com
- 30 mx03.hornetsecurity.com
- 40 mx04.hornetsecurity.com
- Verified for
-
- Microsoft 365
Email authentication strong
- SPF
-
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:email.freshdesk.com ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:edv@oskar-lernt-englisch.de; adkim=r; aspf=s; rf=afrf; ri=86400;policy: quarantine · sp=quarantine - DKIM
- no key found at common selectors
Certificate (current)
WE1
Expires in 34 days
HTTP security headers
- present
-
- x-frame-options
- x-content-type-options
- findings
-
- missing HSTS
- missing Content Security Policy
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
sameorigin- x-content-type-options
nosniff