indexo.dev

classid.io

.io crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 915 ms crawled 2026-06-01

US · 104.21.81.84 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Classid | Home
Description
Een leerplatform om kennis en welbevinden van studenten te monitoren.
Language
nl

Technology

CDN
Cloudflare
CMS
WordPress
PHP
8.1.34 end of life
jQuery
3.7.1
Analytics
  • Cloudflare Insights
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • ajax.googleapis.com×1
  • fonts.googleapis.com×1
  • maps.googleapis.com×1
  • static.cloudflareinsights.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • dee.ns.cloudflare.com
  • mitchell.ns.cloudflare.com
MX
  • 0 classid-io.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; sp=reject; pct=100
policy: reject (enforced) · sp=reject
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-12 to 2026-08-10
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://classid.io/website/home

present
  • content-security-policy
  • x-frame-options
findings
  • missing HSTS
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
content-security-policy
frame-ancestors 'self' https://classid.io

Links to (8)

Linked from (1)