ActiveDNS

Free DNS Search

Domain listsFREE · NO REGISTRATION

Domain lists

All domains observed by ActiveDNS.

Free. No registration required.

ActiveDNS publishes every registrable domain observed by its resolvers as free downloadable domain lists.

The dataset currently contains more than 160 million domains across more than 1,200 top-level domains.

The lists are updated monthly.

Downloads are split into:

  • one file per country-code TLD (.uk, .de, .no, …)
  • one file per large generic TLD (.com, .net, .org, …)
  • one combined file for the remaining TLDs

Hostname popularity contest

Feature request by Alvaro

The top 10,000, 100,000 and 1,000,000 hostnames observed by ActiveDNS.
These lists are updated monthly, to give an up-to-date and relevant hostname list.

Example usage:
dnsx -w YYYY-MM_activedns-net_hostnames_top-10k.txt.gz -d example.com

The top hostnames files: the file, when it was made, its coverage (the share of the hostnames the largest list finds that it finds), and buttons to download it or copy a download link.
FileDateCoverage %Actions
Loading the lists…

Files

LOADING

Loading the lists…

Ready

About the lists

Terms of use

If you use the data in your work, publications or tooling, please credit ActiveDNS as the source when appropriate.

Example:

Domain list provided by ActiveDNS — https://activedns.net/

Price

ActiveDNS Other services
Price Free Monthly subscription
Account Not required Sign-up required
Terms of use Be nice Blood contract

The files

A file is plain text, gzipped: a few header lines starting with #, then one domain per line, sorted. The header says what the file is:

# ActiveDNS monthly snapshot
# Source: https://activedns.net/
# TLD: .no
# Generated: 2026-11-01
# Domains: 6343324
# Method: registrable domains observed by ActiveDNS

The top hostnames files have one hostname per line, most votes first, after a header of their own:

# ActiveDNS monthly hostname popularity contest
# Source: https://activedns.net/
# Top: 10000
# Generated: 2026-11-01
# Method: hostnames scored by ActiveDNS dataset

To get only the domains or hostnames: zcat file.txt.gz | grep -v '^#'. A registrable domain is the public suffix plus one label (example.com, example.co.uk), by the ICANN section of the public suffix list.

Download links are made when you ask for one and work for 12 hours. Copy link gives you the link to use elsewhere, for example with curl -o list.txt.gz '<link>'.