yctfd.com
HTML metadata
Technology
- Server
- openresty
Contact
- Phone
Registration
- Registrar
- Hefei Juming Network Technology Co., Ltd
- Created
- 2021-03-11
- Expires
- 2027-03-11 296 days left
- Updated
- 2026-04-21
- Name servers
-
- ns1.onclouddns.com
- ns2.onclouddns.com
DNS records live
- NS
-
- ns1.julydns.com
- ns2.julydns.com
Email authentication no MX
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificates
Loading certificate
HTTP security headers
- findings
-
- checked over plain HTTP
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
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