21xv.com
HTML metadata
Technology
- Server
- nginx
Third-party hosts loaded (1)
- img.01662.cn×10
Registration
- Registrar
- Dynadot Inc
- Created
- 2011-04-20
- Expires
- 2027-04-20 336 days left
- Updated
- 2026-03-26
- Name servers
-
- ns1.dyna-ns.net
- ns2.dyna-ns.net
DNS records live
- NS
-
- ns1.dyna-ns.net
- ns2.dyna-ns.net
Email authentication no MX
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 64 days
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
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