.blue Domain List (CSV)

Download New, Active & Historic .blue Domains — Updated Multiple Times Daily

  • 38,192 known .blue domains
  • 15,083 active .blue domains
  • 6 new .blue domains discovered in the last 24 hours

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What's in the free sample?

.blue

Download .blue Domain Names

Access our comprehensive database of .blue domains. Whether you're tracking new domain registrations, analyzing active websites, or researching internet domain trends within the .blue zone, our domain database is the ideal solution — and it's ready for download in CSV format.

We continuously monitor the internet to find new .blue domains, using registry data where available, DNS checks, crawlers and machine learning. In the past 24 hours, we have discovered 6 new .blue domains.

Last Data Update: 2026-10-31 10:38:09

Filename Description Domain Count Filesize (uncompressed) Filesize (compressed)
blue-domains-all.zip All known .blue domains 38,192 528 KiB 140 KiB Download
blue-domains-active.zip Active .blue domains 15,083 202 KiB 54 KiB Download
blue-domains-2026-10-31.zip Newly discovered .blue domains 2026-10-31 (today, still growing) 3 51 B 210 B Download
blue-domains-2026-10-30.zip Newly discovered .blue domains 2026-10-30 (complete day) 8 113 B 239 B Download
blue-domains-2026-10-29.zip Newly discovered .blue domains 2026-10-29 23 307 B 304 B Download
blue-domains-2026-10-28.zip Newly discovered .blue domains 2026-10-28 14 195 B 271 B Download
blue-domains-2026-10-27.zip Newly discovered .blue domains 2026-10-27 13 158 B 253 B Download
blue-domains-2026-10-26.zip Newly discovered .blue domains 2026-10-26 9 125 B 242 B Download
blue-domains-2026-10-25.zip Newly discovered .blue domains 2026-10-25 10 137 B 243 B Download
blue-domains-2026-10-24.zip Newly discovered .blue domains 2026-10-24 8 100 B 230 B Download
blue-domains-2026-10-23.zip Newly discovered .blue domains 2026-10-23 18 245 B 283 B Download
blue-domains-2026-10-22.zip Newly discovered .blue domains 2026-10-22 14 178 B 258 B Download

Show Full List of All TLDs

Information About the .blue Domain Extension

The .blue domain suffix is a gTLD (Generic Top-Level Domain), managed by Identity Digital Limited. Our database contains a comprehensive list of known .blue domains, helping businesses, researchers, and SEO professionals access up-to-date domain records with ease.

Type gTLD
Description Generic Top-Level Domain
Sponsor Identity Digital Limited
Country US
Whois Server whois.nic.blue
SOA Server a0.nic.blue
SOA Email hostmaster@donuts.email
Created 2014-01-23

Why Choose DomainMetaData for .blue Domain Lists?

Frequent Updates

Fresh .blue domain lists several times a day.

Comprehensive Dataset

Access all 38,192 known .blue domain records.

Checked in DNS

Download 15,083 active .blue domains, re-checked every few days.

Rich Metadata

Premium (coming soon): DNS, technology, page titles and more for every .blue domain. Details

Premium Domain Data for Professionals coming soon

  • Page Title & Meta Headers
  • DNS Servers, SOA Records, Mail Server
  • Hosting Server, Website Category & Topic
  • Robots.txt, HTTPS Status, HTTP Protocol Versions

Basic already includes all known, active and newly discovered .blue domains. What's in each plan

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How Industry Leaders Use Our .blue Domain Database

Marketing &
SEO Research

Analyze website trends and track new .blue domain registrations.

Cybersecurity &
Threat Intelligence

Monitor new .blue domains for phishing, scams, or malicious activities.

Brand Protection &
Trademark Monitoring

Detect .blue domain squatters and brand impersonators.

Lead Generation &
Data Enrichment

Use .blue domain lists to find potential leads & business opportunities.

Frequently Asked Questions About .blue Domains

As of October 31, 2026, DomainMetaData counts 15,083 active .blue domains, i.e. domains with at least one DNS record. In the last 24 hours, DomainMetaData discovered 6 new .blue domains. Nobody can see every domain, so read this as an "at least" number.

On a typical day, DomainMetaData discovers about 10 new .blue domains (median of the last 7 complete days). The new domains of each day are available as a separate download.

Right here on DomainMetaData, the database of internet domains. The list of all 15,083 active .blue domains is a ZIP-compressed CSV file that is updated multiple times a day, together with daily lists of newly registered .blue domains.

DomainMetaData offers free samples of every .blue list after signing up for a free account. The samples are the complete files with part of each name masked, so you can check completeness and freshness before you buy (how free samples work). The complete lists are part of the Basic plan for US$55 per month or US$149 per year.

Active are the .blue domains that currently have a DNS record. All known (38,192) also contains every .blue domain we have ever seen that has stopped resolving, e.g. expired or deleted ones — without dates. There is no separate list of dropped domains.

.blue is a Generic Top-Level Domain (gTLD) managed by Identity Digital Limited.

A ZIP file with a plain CSV list, one domain name per line and no header, ready to use in Excel, scripts or your database.

Download .blue Domains Now!

  • Get instant access to our comprehensive database of .blue domains
  • Bulk downloads as plain lists, one domain per line
  • Updated several times a day with newly discovered domains
  • New, active, and all known .blue domains, including inactive ones
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