zj-ck.com
HTML metadata
Technology
- Server
- nginx
Contact
- Phone
Registration
- Registrar
- Jiangsu Bangning Science & technology Co. Ltd.
- Created
- 2020-02-15
- Expires
- 2027-02-15 271 days left
- Updated
- 2026-01-24
- Name servers
-
- ns3.4cun.com
- ns4.4cun.com
DNS records
Email authentication no MX
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificates
Loading certificate
HTTP security headers
- present
-
- strict-transport-security
- findings
-
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- strict-transport-security
max-age=31536000