yingtongli.me

.me crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 532 ms crawled 2026-05-06

US · 172.67.129.251 · AS13335 Cloudflare, Inc.

Reputation 92/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Inane Observations
Feeds

Open Graph

title
Inane Observations
site name
Inane Observations

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×3
  • fonts.googleapis.com×1
  • static.cloudflareinsights.com×1

Social

DNS records live

NS
  • dora.ns.cloudflare.com
  • sam.ns.cloudflare.com
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
  • 90 mx.runbox.com
TXT
  • protonmail-verification=a33cebaeeaf50cb3e7101c006338a3b23e402156

Email authentication strong

SPF
v=spf1 include:_spf.protonmail.ch include:spf.runbox.com mx -all
strict (-all)
DMARC
v=DMARC1; p=none; adkim=s; aspf=s; fo=1; pct=100; ruf=mailto:dmarc_afrf@yingtongli.me; rf=afrf;
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3dJvGHwl4JIx/MWGqXKDqskjYEe/EHtTkq4RSfSL+OAmQboGH79UI2hbYRT9d19Io+1sr8Wf897eE1…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7R1UjdUw+fX0FsGadpZdC6d7ndPjmrJR4J99Qu5apzYSPOqH18HViOVEz1raLZPYQMW0yoDz1HXhyn…
selectors probed

Certificate (current)

WE1
from 2026-04-24 to 2026-07-23
Expires in 64 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://yingtongli.me/blog/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (6)

Linked from (2)