Download the list of .io domains




Zone Updated Domains
.io domains 17.12.2025 00:10 (CET)
next update in 16 hours		 381 266 Download   (zip txt)
.io detailed information 17.12.2025 381 266 Download (zip)
.io detailed lists (daily updates) 17.12.2025 4 015 Download (zip)


.io is a ccTLD, zone registry maintained by IO Top Level Domain Registry.
We have 381 266 domains available in .io zone at the time of: 18.12.2025.



The list includes domain + e-mails of domain owners registered from the cut-off dates E-mails are collected from publicly available information and analyzed.

The file contains the most complete list of all registered domains in .io zone. You can download a list of all .io Internet addresses in one file in one click. Each domain is represented as a separate line in the file. We update the data in the file every day. Data is also available via API.

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