.fyi — 45,478 domains
- Total domains
- 45,478
- Root domains
- 45,085
- Subdomains
- 393
Browse 45,478 registered .fyi domains in our database. The list includes 45,085 root domains and 393 subdomains. Data is updated daily and available for security research, brand monitoring, competitive analysis, and domain intelligence.
Domain names
Showing first 100 of 45,478View all 45,478 .fyi domains with full DNS data, filters, and export.
Sign in to access full listCommon questions about .fyi domains
How many .fyi domains are registered?
Our database currently indexes 45,478 .fyi domains, comprising 45,085 root domains and 393 subdomains. This count reflects actively registered domains discovered during our daily crawling cycle.
How fresh is the domain data?
All domain lists are refreshed every 24 hours. New registrations, expirations, and DNS changes propagate within one day — significantly fresher than weekly or monthly alternatives.
Can I export or download the full .fyi list?
Yes. Subscribers can download the complete .fyi dataset as CSV with domain and TLD columns, plus access enriched DNS records, filters, and streaming exports with no row limits.
What is the difference between root domains and subdomains?
A root domain is a domain registered directly under .fyi
(e.g. example.fyi). A subdomain is a child
of a root domain (e.g. www.example.fyi or
mail.example.fyi). Both are included in our .fyi
domain list.