Registry backends

Which technical registry service provider actually serves each new gTLD's DNS. ICANN publishes no TLD-to-backend mapping, so this is inferred from three signals: the root-zone nameserver hostnames, the RDAP endpoint from IANA's bootstrap file, and — for TLDs running vanity hostnames — the reverse DNS of those nameservers' addresses.

1,090 TLDs attributed across 26 platforms. 24 remain unattributed — brand TLDs whose vanity nameservers and RDAP endpoints reveal nothing about who operates them. They are counted here rather than quietly dropped. How the inference works.

Backend concentration

Source: ICANN monthly registry reports

A handful of platforms serve the DNS for most of the new-gTLD namespace. Share of all new-gTLD domains by technical backend, from ICANN's monthly registry reports. Each TLD is attributed to the platform serving it today — nothing records who ran a TLD's DNS in 2016 — so this is volume on today's platforms over time, not who served it at the time.

Month Oct 2024 latest
GoDaddy Registry (Neustar) — 10.52M (26.03%)CentralNic (Team Internet) — 9.48M (23.46%)Identity Digital — 6.72M (16.64%)GMO Registry — 3.98M (9.84%)ARI Registry Services (GoDaddy Registry) — 3.74M (9.26%)ZDNS — 3.61M (8.94%)Google Registry — 1.35M (3.35%)fury.ca — 308.42k (0.76%)Knipp / TANGO Registry — 151.44k (0.37%)Nominet — 142.99k (0.35%)Other — 402.14k (1%)
40.41Mreported Oct 2024
Share of new-gTLD domains by backend
GoDaddy Registry (Neustar)51 TLDs10.52M26.03%
CentralNic (Team Internet)85 TLDs9.48M23.46%
Identity Digital441 TLDs6.72M16.64%
GMO Registry46 TLDs3.98M9.84%
ARI Registry Services (GoDaddy Registry)204 TLDs3.74M9.26%
ZDNS32 TLDs3.61M8.94%
Google Registry46 TLDs1.35M3.35%
fury.ca5 TLDs308.42k0.76%
Knipp / TANGO Registry27 TLDs151.44k0.37%
Nominet74 TLDs142.99k0.35%
Other13 more backends402.14k1%

By domains served

Source: Daily zone files and ICANN monthly registry reports

Bar length is domains; the TLD count is shown alongside because the two rank very differently.

7.33M
ZDNS 32 TLDs
6.56M
GMO Registry 46 TLDs
4.44M
2.57M
fury.ca 5 TLDs
386.88k
Nominet 78 TLDs
140.86k
140.51k
AFNIC 11 TLDs
118.78k
60,951
RyCE 4 TLDs
43,232
KNET 9 TLDs
35,663

All backends

#BackendTLDsDomainsSource
1 CentralNic (Team Internet) 87 17,715,960 curated
2 GoDaddy Registry (Neustar) 55 11,536,455 curated
3 Identity Digital 441 7,325,259 curated
4 ZDNS 32 6,560,881 curated
5 ARI Registry Services (GoDaddy Registry) 204 5,243,006 curated
6 GMO Registry 46 4,442,067 curated
7 Google Registry 46 2,566,960 curated
8 fury.ca inferred 5 386,880 rdap_host shared by 5 TLDs
9 Nominet 78 140,858 curated
10 Knipp / TANGO Registry 27 140,506 curated
11 AFNIC 11 118,776 curated
12 dnsnode.net inferred 2 60,951 ns_suffix shared by 16 TLDs
13 Public Interest Registry 10 49,402 curated
14 RyCE 4 43,232 curated
15 KNET 9 35,663 curated
16 FlexiReg 2 28,618 curated
17 anycastdns.cz inferred 1 16,799 ns_suffix shared by 25 TLDs
18 dns.net.za inferred 3 7,298 ns_suffix shared by 7 TLDs
19 Verisign 14 6,552 curated
20 ripn.net inferred 2 2,216 ns_suffix shared by 25 TLDs
21 NIC.br 5 906 curated
22 pch.net inferred 1 75 ns_suffix shared by 17 TLDs
23 aka-ns.net inferred 2 4 ns_suffix shared by 12 TLDs
24 ns.il inferred 1 ns_suffix shared by 6 TLDs
25 ntc.org.pk inferred 1 ns_suffix shared by 3 TLDs
26 monic.mo inferred 1 ns_suffix shared by 5 TLDs

Data currency. Domain counts on this page are from zone files dated and refresh daily. Registrar figures are from ICANN's monthly registry reports for May 2026, which ICANN publishes about three months in arrears; zone files contain no registrar information, so no fresher source exists. Full detail on methodology and live pipeline status.