indexo.dev

gisopencourseware.org

.org crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 1726 ms crawled 2026-05-31

NL · 194.171.38.33 · AS1103 SURF B.V.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Home | OCWGIS
Description
This site is for the GIS OpenCourseWare Community
Language
en

Technology

Server
Microsoft-IIS
PHP
8.3.31 security-only
Analytics
  • Google Tag Manager
Third-party hosts loaded (7)
  • staticcdn.edwiser.org×3
  • cdn.jsdelivr.net×1
  • i.creativecommons.org×1
  • ihe-delft-ihe-website-production.s3.eu-central-1.amazonaws.com×1
  • static.surfconext.nl×1
  • www.googletagmanager.com×1
  • www.mastofeed.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.surfnet.nl
  • ns1.zurich.surf.net
  • ns2.surfnet.nl
  • ns3.surfnet.nl
Verified for
  • HARICA

Email authentication no MX

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

Certificate (current)

GEANT TLS RSA 1
from 2026-05-02 to 2026-11-17
Expires in 169 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://courses.gisopencourseware.org//

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin

Links to (4)

Linked from (1)