yuanchuan.dev

.dev crawl

First seen 2026-05-02 · Last seen 2026-05-15 · ok HTTP/1.1 200 820 ms crawled 2026-05-08

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
yuanchuan
Description
Hi, I'm Chuan. I'm a web developer with a passion for design, programming languages, and creative coding. I'm currently building css-doodle.
Language
en

Technology

CDN
Cloudflare

Third-party hosts loaded (1)

  • vis.social×1

Social

DNS records live

NS
  • olof.ns.cloudflare.com
  • thea.ns.cloudflare.com
MX
  • 28 route3.mx.cloudflare.net
  • 5 route2.mx.cloudflare.net
  • 89 route1.mx.cloudflare.net

Email authentication partial

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:27bc772b921644cbb06f7b71bd26e343@dmarc-reports.cloudflare.net
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-08 to 2026-08-06
Expires in 78 days

HTTP security headers

Header hygiene 45/100 Checked live page: https://yuanchuan.dev/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (6)

Linked from (3)