indexo.dev

tengyu.ai

.ai crawl

First seen 2026-04-22 · Last seen 2026-05-12 · ok HTTP/1.1 200 1723 ms crawled 2026-05-16

US · 108.156.22.108 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Tengyu Liu
Language
en
Canonical
http://localhost:4000/

Technology

CDN
Amazon CloudFront
Server
AmazonS3
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • cdn.jsdelivr.net×14
  • fonts.googleapis.com×1
  • localhost×1
  • polyfill.io×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2022-05-27
Expires
2032-05-27 2198 days left
Updated
2025-04-02
Name servers
  • ns-111.awsdns-13.com
  • ns-1972.awsdns-54.co.uk
  • ns-1041.awsdns-02.org
  • ns-865.awsdns-44.net

DNS records live

NS
  • ns-1041.awsdns-02.org
  • ns-111.awsdns-13.com
  • ns-1972.awsdns-54.co.uk
  • ns-865.awsdns-44.net

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2025-10-23 to 2026-11-22
Expires in 185 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://tengyu.ai/

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

Links to (13)

Linked from (1)