yutc.me

.me crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 487 ms crawled 2026-05-10

US · 192.30.252.154 · AS36459 GitHub, Inc.

Reputation 62/100 wrong cert weak security headers no dmarc policy

sector other type homepage

HTML metadata

Title: Tiancheng Yu's Homepage

Technology

CDN: GitHub Pages
Server: GitHub.com

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 mx1.privateemail.com
10 mx2.privateemail.com

Email authentication weak

SPF: v=spf1 include:spf.privateemail.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36

from 2026-04-14 to 2026-07-13

Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://yutc.me/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (10)

Linked from (1)

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