indexo.dev

tshu.io

.io crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 1943 ms crawled 2026-05-16

US · 162.0.212.3 · AS22612 Namecheap, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Tianmin Shu
Language
en

Technology

Third-party hosts loaded (1)

  • code.jquery.com×1

Social

DNS records live

NS
  • pdns1.registrar-servers.com
  • pdns2.registrar-servers.com
MX
  • 0 mail.tshu.io

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzqOJlJjvLMSBmVDYfEGubcE5drU/D1h3w91lLKCtGONeSTyOoy35zQT84IxuWCvMBEjbzsQxR3b62y…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-10-25 to 2026-11-26
Expires in 191 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://tshu.io/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; includeSubDomains

Links to (12)

Linked from (3)