What powers ddcf.org?
Last seen Mar 2023 · 14 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
Documentation
Zendesk
since Aug 2022
Microsoft 365
since Aug 2022
Sendgrid
since Aug 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Operating systems
Windows Server
since Jan 2019
PaaS
Azure
since Feb 2023
Security
HSTS
since Sep 2022
Video players
YouTube
since Aug 2021
Web frameworks
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
5.89 / 10 · ranked #118,043 of all domains
341 referring domains · OpenPageRank
Organisation
- Doris Duke Charitable Foundation
- Founded: 1996
- Country: United States
From Wikidata (CC0).
Infrastructure
- Registered Oct 1997 (28 years) via Network Solutions, LLC, renews Oct 2030
- Hosted on Rackspace (72.3.244.241)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 446,635, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted