Dataset Access

Access the world's largest Internet domains dataset with 3.077B+ domains across 1519 TLDs.

Basic Formats

Dataset Only

Full subdomain list including all discovered subdomains and hostnames.

www.google.com
100gihj.feedproxy.ghs.google.com
www.nonexistentdomain.xyz

TLD Only

Root domains without subdomains, grouped by top-level domain.

google.com
nonexistentdomain.xyz

Active Domains

Only domains with verified DNS resolution and active responses.

www.google.com
100gihj.feedproxy.ghs.google.com

MX Only

Mail exchanger records with priority values and mail server hostnames.

createam.ml;5 mx2.createam.ml,10 mx1.createam.ml
cradle.ml;0 cradle.ml
creationosweb.freeee.ml;10 park-mx.above.com
crawford.ml;10 mx01.mail.icloud.com,10 mx02.mail.icloud.com

Advanced Formats

DNS JSON

Complete DNS response data in JSON format including record types, TTL, GeoIP information, and resolver metadata.

{
  "name": "noo-one-else-like-you.tumblr.com.",
  "type": "A",
  "class": "IN",
  "status": "NOERROR",
  "rx_ts": 1764511562179504881,
  "data": {
    "answers": [
      {
        "ttl": 300,
        "type": "A",
        "class": "IN",
        "name": "noo-one-else-like-you.tumblr.com.",
        "data": "74.114.154.22",
        "geoIP": { "Country": "US", "City": "Ashburn" }
      },
      {
        "ttl": 300,
        "type": "A",
        "class": "IN",
        "name": "noo-one-else-like-you.tumblr.com.",
        "data": "74.114.154.18",
        "geoIP": { "Country": "US", "City": "Ashburn" }
      }
    ]
  },
  "flags": ["rd", "ra"],
  "resolver": "172.64.36.56:53",
  "proto": "TCP"
}

$ ls dnsjson
030924  060226  090126  122823  151124  221224  240625  250125  250525  260825  290425  310724
050326  062023  102023  140224  191225  230925  241025  250325  250725  280225  301125  LICENSE

$ ls dnsjson/030924
7cf378f2-4faf-4eba-bec3-c78226935094-1725340706-results-geoip.txt.xz  ff1e3c86-c367-446f-a92f-917591c4a826-1725302551-results-geoip.txt.xz
7d0563fe-2aac-4b38-99c2-a3c0b9ef702b-1725336725-results-geoip.txt.xz  ff6277c9-5e98-4e51-ac96-29cd5423e9e1-1725327132-results-geoip.txt.xz
7d5fa316-531a-467d-be1c-765543a8cc48-1725310167-results-geoip.txt.xz

Big One

Complete dataset package with DNS JSON format. Organized by date snapshots, with A, MX, NS, and TXT records in separate directories. Each record type contains multiple compressed result files.

$ ls big-one/
031125  050326  060226  090126  100425  120725  191225  LICENSE

$ ls big-one/100425/
A/  MX/  NS/  TXT/

$ ls big-one/100425/MX/
18fec2fc-c359-47aa-8c71-8ca6a603ca31-1744394439-results.txt.xz
53975570-c117-4be2-bc47-a4e9b2f2a2c9-1744355927-results.txt.xz
53b5b868-486c-4dbd-80d5-37e471f7cfbc-1744335193-results.txt.xz
a90cbae4-27a4-4377-8195-14ec6bd1574b-1744356529-results.txt.xz
a924aee5-181c-4343-a194-4437b4e1cb77-1744378391-results.txt.xz
ffeb606c-f967-4501-b800-36e0728141c1-1744353730-results.txt.xz

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