.tdk domain statistics
1 domains were registered under .tdk at its latest check (Oct 9, 2026), placing it #980 of 1,079. Since its first check on Feb 24, 2026 it has held steady. At its latest check it changed by 0 domains over 56 days, about +0.0% a week.
About the .tdk extension
The registry behind .tdk is TDK Corporation. The extension was delegated to the root zone on Jun 7, 2016, 10.3 years ago. Its ICANN registry agreement was signed on Jun 11, 2015, 362 days before launch. .tdk is a brand TLD: under Specification 13 of its ICANN agreement, only TDK Corporation and its affiliates can register names in it. That is why its domain count stays small and mostly reflects the company's own sites.
Registry details from ICANN's gTLD list.
How .tdk compares
In domain count, .tdk outranks 9% of the extensions RootFetch follows. Among the 10 TLDs closest to it in size, .tdk grew faster than 0; the fastest of that group was .viking at +0.0%.
Biggest moves
Of 9 changes between checks, 0 were gains, 0 were losses and 9 showed no change.
.tdk growth trend
.tdk accounts for 0.00% of all 89M domains RootFetch counts. Over the 227 days from Feb 24 to Oct 9 it averaged +0.00% a week, or 0 domains a day. If the latest rate held for 30 days, .tdk would reach about 1 domains (a straight-line projection, not a forecast).
.tdk domains by month
| Month | Domains | Change |
|---|---|---|
| October 2026 | 1 | 0 |
| August 2026 | 1 | 0 |
| July 2026 | 1 | 0 |
| June 2026 | 1 | 0 |
| March 2026 | 1 | 0 |
| February 2026 | 1 | – |
Every check
| Date | Domains | Change | Growth | Window | Severity |
|---|---|---|---|---|---|
| Oct 9, 2026 | 1 | 0 | +0.0% | 56 days | |
| Aug 14, 2026 | 1 | 0 | +0.0% | 42 days | |
| Jul 3, 2026 | 1 | 0 | +0.0% | 28 days | |
| Jun 5, 2026 | 1 | 0 | +0.0% | 94 days | |
| Mar 3, 2026 | 1 | 0 | +0.0% | 1 day | |
| Mar 2, 2026 | 1 | 0 | +0.0% | 1 day | |
| Mar 1, 2026 | 1 | 0 | +0.0% | 3 days | |
| Feb 26, 2026 | 1 | 0 | +0.0% | 1 day | |
| Feb 25, 2026 | 1 | 0 | +0.0% | 1 day | |
| Feb 24, 2026 | 1 | – | – | first check |
Questions about .tdk
How many .tdk domains are there?
1, according to the .tdk zone file on Oct 9, 2026.
Can anyone register a .tdk domain?
No. .tdk is a brand TLD under Specification 13 of its ICANN registry agreement, so only TDK Corporation and its affiliates can register .tdk names.
Who runs the .tdk domain extension?
The registry operator is TDK Corporation.
When was .tdk created?
It was delegated on Jun 7, 2016.
Is .tdk growing?
.tdk went from 1 domains on Feb 24, 2026 to 1 on Oct 9, 2026, a change of +0.0%. Its latest rate is about +0.0% a week.
How big is the .tdk domain extension compared to others?
.tdk is number 980 in size among tracked extensions. Its nearest neighbours are .staples, .stcgroup, .taobao.