johner-institut.de
HTML metadata
Technology
- CDN
- Cloudflare
- Analytics
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- Google Tag Manager
Third-party hosts loaded (3)
- cdn.jsdelivr.net×2
- widget.trustpilot.com×1
- www.googletagmanager.com×1
Social
Contact
- Phone
Registration
- Updated
- 2025-11-07
- Name servers
-
- olga.ns.cloudflare.com.
- zeus.ns.cloudflare.com.
DNS records live
- NS
-
- olga.ns.cloudflare.com
- zeus.ns.cloudflare.com
- MX
-
- 0 johnerinstitut-de01e.mail.protection.outlook.com
- TXT
-
Show 12 TXT records
atlassian-domain-verification=ncTRQTJGc1itW2Vb/c/gJgs93VyIKvppW2qXKS7aoqx5X9gPla0n4v0mQSWYf2c4atlassian-sending-domain-verification=5f5f91af-a5bf-4316-bf75-120d3ae97f38google-site-verification=4ehf3GHMYxowqil54-PEhgVcMJ-5YrNstj6NPq6U_m0google-site-verification=PbGfFLeSF_GoGm2AJXvfHEgqsCvhjoqJnfB6DAozxHwgoogle-site-verification=e09Vu0u4EGdP4FkokS5zgLGV6X9MVBBNdGYMs71l5qwmistral-domain-verification=8dee0aa630db12f20cbc40bd84e20cb4faf535e1stripe-verification=860AC6A5395149E8BEB1D401B91469634DAECDE3BDBAABBCA5B2E47891A33FDDv=spf1 ip4:217.22.195.99 ip4:38.242.227.128 include:spf.crsend.com include:_spf.google.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com include:25622905.spf08.hubspotemail.net include:amazonses.com ~allv=verifydomain MS=6118883ahrefs-site-verification_bf211bcc7cbec301b33127c509fa7934ecf9cc4987c04129aa8f45e96e7061fcamazon-business-verification=2b2845ea8b4d9ba5232984456ea3c697ec36e76cffc458366a3f6235329ff264apple-domain-verification=NYdXqrgjwclnUG12
Certificate (current)
WE1
Expires in 18 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