yufan.me
HTML metadata
Social
Contact
- Phone
DNS records live
- NS
-
- ed.ns.cloudflare.com
- nina.ns.cloudflare.com
- MX
-
- 5 m1.feishu.cn
Email authentication partial
- SPF
-
v=spf1 +include:_netblocks.m.feishu.cn ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=none;policy: none (monitoring only) - DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 35 days
HTTP security headers
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Links to (9)
- x.com×2
- github.com×2
- xifeng.net×1
- xingfuzhexue.com×1
- imba97.com×1
- yesreho.com×1
- twofei.com×1
- iminnz.com×1
- ficor.net×1