indexo.dev

jdedp.com

.com crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 3046 ms crawled 2026-05-15

CN · 47.103.123.209 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
高管研修班

Technology

Server
nginx
CMS
Gatsby

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2014-03-27
Expires
2027-03-27 310 days left
Updated
2024-06-17
Name servers
  • dns31.hichina.com
  • dns32.hichina.com

DNS records live

NS
  • dns31.hichina.com
  • dns32.hichina.com

Email authentication no MX

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

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-09-09 to 2026-09-09
Expires in 111 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jdedp.com/

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

Linked from (2)