indexo.dev

grand-challenge.org

.org crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 3072 ms crawled 2026-05-15

US · 108.156.22.68 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Grand Challenge
Description
A platform for end-to-end development of machine learning solutions in biomedical imaging.
Language
en

Open Graph

url
https://grand-challenge.org/
title
Grand Challenge
site name
grand-challenge.org
description
A platform for end-to-end development of machine learning solutions in biomedical imaging.

Technology

CDN
Amazon CloudFront
Server
nginx

Third-party hosts loaded (1)

  • public.grand-challenge-user-content.org×11

Social

Registration

Registrar
Amazon Registrar, Inc.
Created
2010-03-21
Expires
2027-03-21 305 days left
Updated
2026-05-05
Name servers
  • ns-1157.awsdns-16.org
  • ns-1647.awsdns-13.co.uk
  • ns-314.awsdns-39.com
  • ns-731.awsdns-27.net

DNS records live

NS
  • ns-1157.awsdns-16.org
  • ns-1647.awsdns-13.co.uk
  • ns-314.awsdns-39.com
  • ns-731.awsdns-27.net
MX
  • 10 inbound-smtp.eu-west-1.amazonaws.com
TXT
  • google-site-verification=i_IArn3D4iUDrYrep4tZh8TVvWqwljiJflA77Iq484U
  • Di2wluV+3smnWJwfqlrhEZnPlaqBEJHpr5d7D55G3k4=

Email authentication strong

SPF
v=spf1 include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@grand-challenge.org; sp=reject
policy: quarantine · sp=reject
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2026-03-10 to 2026-09-24
Expires in 127 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://grand-challenge.org/

present
  • strict-transport-security
  • content-security-policy-report-only
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
  • cross-origin-opener-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
permissions-policy
accelerometer=(), ambient-light-sensor=(), autoplay=(), camera=(), display-capture=(), document-domain=(), encrypted-media=(), fullscreen=(self), geolocation=(), gyroscope=(), interest-cohort=(), magnetometer=(), microphone=(), midi=(), payment=(), usb=()
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload
cross-origin-opener-policy
unsafe-none
content-security-policy-report-only
media-src https://public.grand-challenge-user-content.org https://user-images.githubusercontent.com; img-src https://static.grand-challenge.org https://public.grand-challenge-user-content.org https://www.gravatar.com data: 'self' https: https://protected.grand-challenge-user-content.org; frame-src https://www.youtube-nocookie.com; default-src 'none'; script-src https://static.grand-challenge.org 'unsafe-eval' 'self'; style-src https://static.grand-challenge.org https://fonts.googleapis.com 'unsafe-inline'; connect-src 'self' https://grand-challenge.org https://eu-west-1.grand-challenge.org https://*.ingest.sentry.io https://static.grand-challenge.org https://protected.grand-challenge-user-content.org https://rumc-gcorg-p-uploads.s3-accelerate.amazonaws.com; font-src https://static.grand-challenge.org https://fonts.gstatic.com

Links to (4)

Linked from (1)