What powers f-sys.info?
Last seen Jun 2021 · 5 technologies across 5 categories
Analytics
Google Analytics
since Apr 2019
Font Scripts
Google Font API
since Oct 2016
JavaScript Frameworks
jQuery
since Oct 2016
JavaScript graphics
Exhibit
since May 2021
Web Servers
Apache HTTP Server
since Oct 2016
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Open Page Rank
3.66 / 10 · ranked #782,367 of all domains
68 referring domains · OpenPageRank
Infrastructure
- Hosted on SEDO-AS (64.190.63.222)
- DNS: Sedo Parking (parking service)
- Email:
- Email security: SPF (hard fail), no DMARC record, MTA-STS, BIMI
- SSL: DigiCert, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 11,398,199, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted