.io Domains: Complete List

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

  • 1,358,577 total .io domains
  • 956,169 active .io domains
  • 743 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 1,358,577 18 MiB 4 MiB Download
io-domains-active.zip All active .io domains 956,169 12 MiB 3 MiB Download
io-domains-2025-04-03.zip New .io domains 2025-04-03 563 8 KiB 4 KiB Download
io-domains-2025-04-02.zip New .io domains 2025-04-02 811 12 KiB 5 KiB Download
io-domains-2025-04-01.zip New .io domains 2025-04-01 947 14 KiB 6 KiB Download
io-domains-2025-03-31.zip New .io domains 2025-03-31 475 7 KiB 3 KiB Download
io-domains-2025-03-30.zip New .io domains 2025-03-30 613 9 KiB 4 KiB Download
io-domains-2025-03-29.zip New .io domains 2025-03-29 552 8 KiB 4 KiB Download
io-domains-2025-03-28.zip New .io domains 2025-03-28 700 10 KiB 4 KiB Download
io-domains-2025-03-27.zip New .io domains 2025-03-27 683 10 KiB 4 KiB Download
io-domains-2025-03-26.zip New .io domains 2025-03-26 715 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
Created 1997-09-16
Sponsor Internet Computer Bureau Limited
Country GB
Whois Server whois.nic.io
SOA Server a0.nic.io
SOA Email hostmaster@donuts.email

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 743 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 1,358,577 known .io domain records.

Verified Domains

Download 956,169 active and up-to-date .io domains.

Rich Metadata

Get detailed .io data, including DNS, IP addresses, and more.

Essential Domain Data for Professionals

  • Domain Name & Registration Date
  • DNS Servers, SOA Records, Mail Server
  • IPv4 & IPv6 Addresses
  • 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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