indexo.dev

tudiqing.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-08 · ok HTTP/1.1 200 3604 ms crawled 2026-05-11

CN · 8.131.66.96 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
404 Not Found

Technology

Server
nginx

Registration

Registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Created
2022-12-12
Expires
2026-12-12 205 days left
Updated
2025-11-12
Name servers
  • archer.dnspod.net
  • create.dnspod.net

DNS records live

NS
  • archer.dnspod.net
  • create.dnspod.net

Email authentication no MX

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

Certificate (current) wrong cert

R13
from 2026-05-08 to 2026-08-06
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://tudiqing.com/

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

Linked from (1)