The .cologne top-level domain has 3,797 domains live in the DNS root zone as of 2026-09-12 · operated by dotKoeln GmbH on the RyCE GmbH backend · general availability began 2014-08-26.
.cologne
New GenericIn GA- Registry
- dotKoeln GmbH
- Technical Operator
- RyCE GmbH
- Delegated
- 2014-03-19
- General availability
- 2014-08-26
Domains live today
3,797
Registered domains (official)
4,001
as of 2026-05· +204 vs live
Domain growth · last 84 days
2026-06-11 → 2026-09-12Hover any day for exact counts. Drag the timeline below the chart to scroll between dates.
Growth momentum
7-day vs 30-day average7-day avg
-4/ day
30-day avg
-3/ day
Momentum
▼decelerating
-2/day vs 30-day
Daily net change (adds minus drops), smoothed into 7- and 30-day moving averages. When the 7-day line crosses above the 30-day, growth is accelerating; below, it's slowing. Zero line separates growth from contraction.
Apex label profile
Not yet computed for .cologne. Profiles are built per TLD on the daily ingest runner.
Launch phases
Source: ICANN- closedSunrise· Start Date SunriseJun 12, 2014 → Jul 13, 2014
- closedTrademark ClaimsAug 26, 2014 → Nov 24, 2014
- closedLimited Registration· Cologne PeriodJul 14, 2014 → Aug 12, 2014
- closedLimited Registration· Post ProcessingAug 13, 2014 → Aug 25, 2014
- liveGeneral Availability(estimated)Aug 26, 2014 → onwards
- closedOther· Exclusive RegistrationDec 10, 2014 → Jan 09, 2015
| # | Date | Domains live | Creates | Expiry | DNSSEC |
|---|---|---|---|---|---|
| 1 | 2026-09-12 | 3,797 | +1 | −7 | 96 |
| 2 | 2026-09-11 | 3,803 | +0 | — | 96 |
| 3 | 2026-09-10 | 3,803 | +2 | −2 | 96 |
| 4 | 2026-09-09 | 3,803 | +1 | −2 | 96 |
| 5 | 2026-09-08 | 3,804 | +0 | −2 | 96 |
| 6 | 2026-09-07 | 3,806 | +0 | −2 | 96 |
| 7 | 2026-09-06 | 3,808 | +1 | −20 | 96 |
| 8 | 2026-09-05 | 3,827 | +1 | −36 | 96 |
| 9 | 2026-09-04 | 3,862 | +1 | −2 | 96 |
| 10 | 2026-09-03 | 3,863 | +0 | −1 | 96 |
| 11 | 2026-09-02 | 3,864 | +0 | −1 | 96 |
| 12 | 2026-09-01 | 3,865 | +0 | −1 | 97 |
| 13 | 2026-08-31 | 3,866 | +0 | — | 97 |
| 14 | 2026-08-30 | 3,866 | +0 | −2 | 97 |
| 15 | 2026-08-29 | 3,868 | +0 | — | 97 |
| 16 | 2026-08-28 | 3,868 | +0 | — | 97 |
| 17 | 2026-08-27 | 3,868 | +0 | −1 | 97 |
| 18 | 2026-08-26 | 3,869 | +1 | −1 | 97 |
| 19 | 2026-08-25 | 3,869 | +0 | — | 97 |
| 20 | 2026-08-24 | 3,869 | +0 | −1 | 97 |
| 21 | 2026-08-23 | 3,870 | +0 | — | 97 |
| 22 | 2026-08-22 | 3,870 | +0 | −3 | 97 |
| 23 | 2026-08-21 | 3,873 | +0 | — | 97 |
| 24 | 2026-08-20 | 3,873 | +0 | — | 97 |
| 25 | 2026-08-19 | 3,873 | +1 | −3 | 95 |
| 26 | 2026-08-18 | 3,875 | +0 | — | 95 |
| 27 | 2026-08-17 | 3,875 | +1 | — | 95 |
| 28 | 2026-08-16 | 3,874 | +0 | — | 95 |
| 29 | 2026-08-15 | 3,874 | +1 | −1 | 95 |
| 30 | 2026-08-14 | 3,874 | +2 | −3 | 95 |
| 31 | 2026-08-13 | 3,875 | +1 | — | 96 |
| 32 | 2026-08-12 | 3,874 | +0 | — | 96 |
| 33 | 2026-08-11 | 3,874 | +1 | −1 | 96 |
| 34 | 2026-08-10 | 3,874 | +0 | −2 | 97 |
| 35 | 2026-08-09 | 3,876 | +0 | — | 97 |
| 36 | 2026-08-08 | 3,876 | +0 | −2 | 97 |
| 37 | 2026-08-07 | 3,878 | +1 | −1 | 97 |
| 38 | 2026-08-06 | 3,878 | +0 | −2 | 96 |
| 39 | 2026-08-05 | 3,880 | +1 | — | 96 |
| 40 | 2026-08-04 | 3,879 | +0 | −1 | 96 |
| 41 | 2026-08-03 | 3,880 | +0 | −1 | 96 |
| 42 | 2026-08-02 | 3,881 | +0 | −1 | 96 |
| 43 | 2026-08-01 | 3,882 | +2 | −1 | 96 |
| 44 | 2026-07-31 | 3,881 | +0 | — | 95 |
| 45 | 2026-07-30 | 3,881 | +0 | — | 95 |
| 46 | 2026-07-29 | 3,881 | +1 | — | 95 |
| 47 | 2026-07-28 | 3,880 | +4 | −2 | 95 |
| 48 | 2026-07-23 | 3,878 | +0 | — | 95 |
| 49 | 2026-07-22 | 3,878 | +0 | −1 | 95 |
| 50 | 2026-07-21 | 3,879 | +2 | — | 95 |
| 51 | 2026-07-20 | 3,877 | +0 | — | 95 |
| 52 | 2026-07-19 | 3,877 | +0 | — | 95 |
| 53 | 2026-07-18 | 3,877 | +0 | — | 95 |
| 54 | 2026-07-17 | 3,877 | +0 | — | 95 |
| 55 | 2026-07-16 | 3,877 | +0 | −4 | 95 |
| 56 | 2026-07-15 | 3,881 | +2 | — | 95 |
| 57 | 2026-07-14 | 3,879 | +0 | — | 95 |
| 58 | 2026-07-13 | 3,879 | +0 | — | 95 |
| 59 | 2026-07-12 | 3,879 | +0 | — | 95 |
| 60 | 2026-07-11 | 3,879 | +2 | −1 | 95 |