.io Domains: Complete List

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

  • 1,460,159 total .io domains
  • 1,055,752 active .io domains
  • 654 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 1,460,159 19 MiB 5 MiB Download
io-domains-active.zip All active .io domains 1,055,752 14 MiB 3 MiB Download
io-domains-2025-05-12.zip New .io domains 2025-05-12 639 9 KiB 4 KiB Download
io-domains-2025-05-11.zip New .io domains 2025-05-11 4,857 75 KiB 26 KiB Download
io-domains-2025-05-10.zip New .io domains 2025-05-10 4,767 74 KiB 26 KiB Download
io-domains-2025-05-09.zip New .io domains 2025-05-09 2,619 43 KiB 15 KiB Download
io-domains-2025-05-08.zip New .io domains 2025-05-08 3,181 53 KiB 18 KiB Download
io-domains-2025-05-07.zip New .io domains 2025-05-07 6,031 102 KiB 34 KiB Download
io-domains-2025-05-06.zip New .io domains 2025-05-06 11,162 183 KiB 59 KiB Download
io-domains-2025-05-05.zip New .io domains 2025-05-05 20,397 347 KiB 107 KiB Download
io-domains-2025-05-04.zip New .io domains 2025-05-04 28,962 466 KiB 136 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 2025-05-12 23:55:04

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 654 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 1,460,159 known .io domain records.

Verified Domains

Download 1,055,752 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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