List of .fyi Zone Domains
.fyi Domain Zone Datasets
Download a .fyi domain name list or a full dataset with DNS, server IP, emails, and phone numbers.
Zone TLD: .FYI
Zone type: generic (gTLD)
Update frequency: daily (last updated on September 10, 2026)
Total domains monitored: 181,188
Live domains included in datasets: 112,273
Datasets available:
Basic Domain List (download sample 💾)
Detailed Domain Dataset (download sample 💾)
Filters: Active domains, New domains (last 24h)
| Dataset type choose a type |
Last updated next update: today |
Active domains currently registered |
New domains last 24h |
Emails crawled from websites |
Phones crawled from websites |
|
|---|---|---|---|---|---|---|
| Basic Domain List | Sep 10, 2026 | 112,273 | 148 | --- | --- | Download GET |
| Detailed Domain Dataset | Sep 10, 2026 | 112,273 | 148 | YES | YES | Download GET |
How many .fyi domains are registered?
As of September 10, 2026, the .fyi domain list contains 112,273 active .fyi domains, 0.031% of all domains tracked by NetAPI, which makes .fyi the #129 largest of 1,584 zones. 148 new .fyi domains were registered in the last 24 hours and 5,850 over the last 30 days. Net of expired and deleted domains, the zone changed by −2,535 (−2.21%) in 30 days and by +17,458 (+18.4%) year over year.
The .fyi domain list and the detailed dataset above are refreshed daily, so these figures move with the zone. 62 .fyi domains are in the free NetAPI Top 1M. See the Top 1M list. 891 .fyi domains are currently listed in the compromised domains feed (0.794% of the zone). See the TLD abuse report.
Frequently Asked Questions
See our FAQ for more answers.
Can I download sample datasets for the .fyi zone?
Yes. Download a sample .fyi domain list or a sample .fyi dataset.
What is a basic domain list, and how does it differ from a detailed dataset?
Both cover the same 112,273 registered domain names in the .fyi zone. A basic list is one domain name per line in a gzip CSV. A detailed dataset adds DNS servers, server IP, hostname, emails, phone numbers, and more. See the dataset format details.
What are active and new domains?
Datasets for .fyi are updated daily. Active domains are all currently registered names in the zone. New domains are names added in the last 24 hours.
Can I download only newly registered .fyi domains?
Yes. The New domains list contains only the .fyi domains registered in the last 24 hours and is rebuilt every day.
To download it manually, sign in and click the number in the New domains column of the
download table on this page (the Download button next to it gets the full list of active domains).
Through the API, call
/api2/?method=download&zone_tld=fyi&dataset_type=list&filter_type=new&token=YOUR_API_TOKEN
(dataset_type=dataset for the detailed dataset); see the API documentation.
What format and size is the file?
Every .fyi domain list and dataset is a CSV file compressed with gzip (.csv.gz):
the basic list has one domain name per line, the detailed dataset has one row per domain with the columns described in the
dataset format details.
Compressed, the current .fyi basic list is about 785 KB and the detailed dataset about 1.5 MB.
Any archiver opens gzip files, for example the free
7-Zip on Windows,
and the API can also serve the files uncompressed (format=plain).
How do I automate daily downloads?
Schedule automatic downloads through the API. See the API documentation for authentication and endpoints.
Are emails and phone numbers available for every domain?
No. We collect contact details from public websites when available. Many domains have no published email or phone, and we do not guarantee these fields on every row. Do not use the data for unsolicited bulk outreach.
Additional .FYI Zone / Registry Information
Zone Registry: Identity Digital
Dispute Policy: link
Registry Policy: link
Data Privacy Policy: link
In an attempt to increase the number of Internet namespaces, the Internet Corporation for Assigned Names and Numbers introduced the .fyi domain in 2015. This launch was meant to widen the options for using the Internet to showcase high-quality services and share information.
Anyone from any part of the world can register the .fyi domain without any restrictions. The domain has grown in popularity rapidly since it was first registered. At the moment, a wide range of organizations use it, including enterprises and media entrepreneurs. Because it is less competitive than other traditional TLDs like.com or.org, it provides more options for domain names.
Top DNS providers / .fyi domain zone
Share of .fyi domains by nameserver provider.
Chart Y-axis is scaled to the data range to show day-to-day changes (not from zero).
Based on this dataset and daily threat-intelligence signals. Domains may be listed after observed phishing, malware, spam, botnet, or similar activity; inclusion does not imply malicious intent by the owner, registrar, registry, or host. Updated daily; figures may change as new data arrives.
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