List of .blue Zone Domains
.blue Domain Zone Datasets
Download a .blue domain name list or a full dataset with DNS, server IP, emails, and phone numbers.
Zone TLD: .BLUE
Zone type: generic (gTLD)
Update frequency: daily (last updated on September 10, 2026)
Total domains monitored: 25,408
Live domains included in datasets: 21,031
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: tomorrow |
Active domains currently registered |
New domains last 24h |
Emails crawled from websites |
Phones crawled from websites |
|
|---|---|---|---|---|---|---|
| Basic Domain List | Sep 10, 2026 | 21,031 | 14 | --- | --- | Download GET |
| Detailed Domain Dataset | Sep 10, 2026 | 21,031 | 14 | YES | YES | Download GET |
How many .blue domains are registered?
As of September 10, 2026, the .blue domain list contains 21,031 active .blue domains, 0.006% of all domains tracked by NetAPI, which makes .blue the #301 largest of 1,584 zones. 14 new .blue domains were registered in the last 24 hours and 398 over the last 30 days. Net of expired and deleted domains, the zone changed by +7 (+0.033%) in 30 days and by +2,417 (+13.0%) year over year.
The .blue domain list and the detailed dataset above are refreshed daily, so these figures move with the zone. 52 .blue domains are in the free NetAPI Top 1M. See the Top 1M list. 1 .blue domains are currently listed in the compromised domains feed (0.005% of the zone). See the TLD abuse report.
Frequently Asked Questions
See our FAQ for more answers.
Can I download sample datasets for the .blue zone?
Yes. Download a sample .blue domain list or a sample .blue dataset.
What is a basic domain list, and how does it differ from a detailed dataset?
Both cover the same 21,031 registered domain names in the .blue 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 .blue 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 .blue domains?
Yes. The New domains list contains only the .blue 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=blue&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 .blue 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 .blue basic list is about 87 KB and the detailed dataset about 331 KB.
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 .BLUE Zone / Registry Information
Zone Registry: Identity Digital
Dispute Policy: link
Registry Policy: link
Data Privacy Policy: link
As part of the new generic top-level domain (gTLD) initiative, which attempts to expand the internet's naming system, the .blue domain was launched in 2014. This domain is administered by Afilias, an American registry business that also manages the .info and .mobi TLDs.
As the current record shows, with just 15,000 registrations, the .blue domain is among the less popular top-level domains. However, the domain name has numerous creative uses; for example, it can be used for personal blogs and environmental protection websites.
Top DNS providers / .blue domain zone
Share of .blue 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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