A zone-file census of 256,672,105 domains across 1,108 top-level zones, traced to the 2,283,386 nameservers that answer for them — run by 896,386 DNS operators on 26,122 networks. Snapshot 2026-09-24.
| # | Operator | Domains | Share |
|---|---|---|---|
| 1 | domaincontrol.com | 47,657,578 | 18.6% |
| 2 | cloudflare.com | 39,473,168 | 15.4% |
| 3 | afternic.com | 11,411,381 | 4.4% |
| 4 | registrar-servers.com | 10,222,127 | 4.0% |
| 5 | googledomains.com | 10,052,759 | 3.9% |
| 6 | dns-parking.com | 7,274,709 | 2.8% |
| 7 | verify.hn | 6,650,741 | 2.6% |
| 8 | wixdns.net | 5,670,503 | 2.2% |
| 9 | ui-dns.org | 4,797,195 | 1.9% |
| 10 | ui-dns.com | 4,797,109 | 1.9% |
| 11 | ui-dns.biz | 4,795,826 | 1.9% |
| 12 | ui-dns.de | 4,795,745 | 1.9% |
| 13 | hichina.com | 4,134,333 | 1.6% |
| 14 | namebrightdns.com | 3,592,712 | 1.4% |
| 15 | share-dns.com | 3,337,393 | 1.3% |
| 16 | share-dns.net | 3,337,377 | 1.3% |
| 17 | spaceship.net | 3,004,443 | 1.2% |
| 18 | alidns.com | 2,988,286 | 1.2% |
| 19 | squarespacedns.com | 2,910,435 | 1.1% |
| 20 | nsone.net | 2,731,902 | 1.1% |
| Network | ASNs | Domains |
|---|---|---|
| Cloudflare | AS13335, AS209242 | 70,503,723 |
| GoDaddy | AS26496, AS44273, AS398101 | 61,191,901 |
| Amazon | AS8987, AS14618, AS16509 | 23,881,192 |
| AS15169, AS43515, AS394089, AS396982 | 17,772,435 | |
| DigiCert | AS12008, AS16552, AS19905, AS399153, AS399155, AS399156, AS399163 | 11,989,921 |
| IONOS SE | AS8560 | 9,161,699 |
| Hangzhou Alibaba Advertising Co.,Ltd. | AS37963 | 7,503,230 |
| Fasthosts Internet Limited | AS15418 | 7,441,674 |
| NS1 (IBM) | AS62597 | 5,610,823 |
| China Mobile Communications Group Co., Ltd. | AS9808 | 4,522,815 |
Explore the interactive census on this page, or the DNS dependency galaxy — the same data as a force-directed map of operator co-occurrence.