u-sieben.com
HTML metadata
Technology
- Server
- nginx
- Analytics
-
- Google Tag Manager
Third-party hosts loaded (4)
- le-cdn.website-editor.net×15
- cdn.website-editor.net×7
- static-cdn.website-editor.net×3
- www.googletagmanager.com×1
Social
Contact
- Phone
Registration
- Registrar
- IONOS SE
- Created
- 2021-01-13
- Expires
- 2027-01-13 239 days left
- Updated
- 2026-01-14
- Name servers
-
- ns1032.ui-dns.de
- ns1070.ui-dns.biz
- ns1089.ui-dns.com
- ns1121.ui-dns.org
DNS records live
- NS
-
- ns1032.ui-dns.de
- ns1070.ui-dns.biz
- ns1089.ui-dns.com
- ns1121.ui-dns.org
- MX
-
- 0 usieben-com0c.mail.protection.outlook.com
Email authentication weak
- SPF
-
v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
Sectigo Public Server Authentication CA DV R36
Expires in 239 days
HTTP security headers
- present
-
- strict-transport-security
- content-security-policy
- x-content-type-options
- findings
-
- CSP uses wildcard sources
- missing frame protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-content-type-options
nosniff- content-security-policy
frame-ancestors https://*.ionos.com https://*.ionos.at https://*.ionos.co.uk https://*.ionos.de https://*.ionos.es https://*.ionos.fr https://*.ionos.it https://*.ionos.ca https://*.ionos.mx https://*.ionos.us https://*.website-editor.net https://*.mywebsite-editor.com www.u-sieben.com- strict-transport-security
max-age=15768000; preload