.io Domains: Complete List

Access the largest domain database with all .io domains and live updates

  • 1,471,034 total .io domains
  • 1,101,495 active .io domains
  • 505 new .io domains (last 24h)

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.io

Download New & Active .io Domains

Get the complete dataset of all known .io domains in CSV format, including newly registered and active domains.

Filename Description Domain Count Filesize (uncompressed) Filesize (compressed)
io-domains-all.zip All known .io domains 1,471,034 19 MiB 5 MiB Download
io-domains-active.zip All active .io domains 1,101,495 14 MiB 4 MiB Download
io-domains-2025-05-30.zip New .io domains 2025-05-30 402 6 KiB 3 KiB Download
io-domains-2025-05-29.zip New .io domains 2025-05-29 563 8 KiB 3 KiB Download
io-domains-2025-05-28.zip New .io domains 2025-05-28 565 8 KiB 4 KiB Download
io-domains-2025-05-27.zip New .io domains 2025-05-27 559 8 KiB 4 KiB Download
io-domains-2025-05-26.zip New .io domains 2025-05-26 660 10 KiB 4 KiB Download
io-domains-2025-05-25.zip New .io domains 2025-05-25 524 8 KiB 3 KiB Download
io-domains-2025-05-24.zip New .io domains 2025-05-24 573 8 KiB 4 KiB Download
io-domains-2025-05-23.zip New .io domains 2025-05-23 676 10 KiB 4 KiB Download
io-domains-2025-05-22.zip New .io domains 2025-05-22 699 10 KiB 4 KiB Download

Show Full List of All TLDs


Information About the .io Domain Extension

The .io domain suffix is a ccTLD (Country Code Top-Level Domain), managed by Internet Computer Bureau Limited. Our database contains a complete list of all known .io domains, helping businesses, researchers, and SEO professionals access up-to-date domain records with ease.

Type ccTLD
Description Country Code Top-Level Domain
Sponsor Internet Computer Bureau Limited
Country GB
Whois Server whois.nic.io
SOA Server a0.nic.io
SOA Email hostmaster@donuts.email
Created 1997-09-16
Updated 2025-05-30 19:13:15

We continuously monitor the .io ccTLD extension for newly registered domains and update our records in real-time. In the past 24 hours, we have discovered 505 new .io domains.


Why Choose DomainMetaData for .io Domain Lists?

Real-time Updates

Get fresh .io domain data every few hours.

Comprehensive Dataset

Access all 1,471,034 known .io domain records.

Verified Domains

Download 1,101,495 active and up-to-date .io domains.

Rich Metadata

Get detailed .io data, including DNS records, and more.

Essential Domain Data for Professionals

  • Domain Name & Registration Date
  • DNS Servers, SOA Records, Mail Server
  • Hosting Server, Website Category & Topic
  • Robots.txt, HTTPS Status, HTTP Protocol Versions
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How Industry Leaders Use Our .io Domain Database

Marketing &
SEO Research

Analyze website trends and track new .io domain registrations.

Cybersecurity &
Threat Intelligence

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

Brand Protection &
Trademark Monitoring

Detect .io domain squatters and brand impersonators.

Lead Generation &
Data Enrichment

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

Download All .io Domains Now!

  • Get instant access to all registered .io domains
  • Bulk downloads in CSV format with rich metadata
  • Real-time updates with the latest registrations
  • Includes new & active .io domains
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