indexo.dev

xrong.org

.org crawl

First seen 2026-04-15 · Last seen 2026-05-14 · ok HTTP/1.1 200 440 ms crawled 2026-05-11

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

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

Technology

CDN
Fastly
Server
GitHub.com
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2014-03-06
Expires
2027-03-06 291 days left
Updated
2026-02-24
Name servers
  • ns-cloud-a4.googledomains.com
  • ns-cloud-a1.googledomains.com
  • ns-cloud-a3.googledomains.com
  • ns-cloud-a2.googledomains.com

DNS records live

NS
  • ns-cloud-a1.googledomains.com
  • ns-cloud-a2.googledomains.com
  • ns-cloud-a3.googledomains.com
  • ns-cloud-a4.googledomains.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org
TXT
  • google-site-verification=wqsxYDoZTheXUgtJ8UTWf5wPZ60WWGe5RrX9DIbd7vM

Email authentication weak

SPF
v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-01 to 2026-07-30
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://xrong.org/

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

Links to (17)

Linked from (2)