indexo.dev

xuedao.io

.io crawl

First seen 2026-04-14 · Last seen 2026-05-06 · ok HTTP/1.1 200 1398 ms crawled 2026-05-08

SG · 34.142.179.23 · AS396982 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

sector education type homepage

HTML metadata

Title
Home | XueDao
Description
XUEDAO is a next-generation education platform built for high-responsibility learning environments.Designed for professional, medical, and applied-technology education, XUEDAO combines secure digital learning, evidence-based competency tracking, and governed AI support to guide learners from knowledge to mastery.
Language
en

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1

DNS records live

NS
  • ns1.siteground.net
  • ns2.siteground.net
MX
  • 10 mx10.antispam.mailspamprotection.com
  • 20 mx20.antispam.mailspamprotection.com
  • 30 mx30.antispam.mailspamprotection.com
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:_spf.siteground.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; aspf=r; adkim=r;
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCvket3fUQXoyskxxYjZIuQbSXy7wopURJHMfkBFCeUxTyc9bfzau8JmQOeEBbQdsZ23uT2Nt/1K24QpyyQ2/rn/Kkog…
selectors probed

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://xuedao.io/

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

Links to (1)

Linked from (1)