jtdong.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 2977 ms crawled 2026-05-16

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Junting Dong
Generator
HTML Tidy for Linux/x86 (vers 11 February 2007), see www.w3.org

Technology

CDN
Fastly
Server
GitHub.com
CMS
Gatsby
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2019-03-14
Expires
2028-03-14 665 days left
Updated
2026-03-11
Name servers
  • dns23.hichina.com
  • dns24.hichina.com

DNS records live

NS
  • dns23.hichina.com
  • dns24.hichina.com
CNAME
  • dongjt1996.github.io

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-25 to 2026-07-24
Expires in 66 days

HTTP security headers

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

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

Links to (10)

Linked from (1)