.open domain statistics
1 domains were registered under .open at its latest check (Aug 16, 2026), placing it #955 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 14 days, about +0.0% a week.
About the .open extension
The registry behind .open is American Express Travel Related Services Company, Inc.. The extension was delegated to the root zone on Aug 8, 2016, 10.2 years ago. Its ICANN registry agreement was signed on Jul 31, 2015, 374 days before launch. .open is a brand TLD: under Specification 13 of its ICANN agreement, only American Express Travel Related Services Company, Inc. 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.
Other extensions run by American Express Travel Related Services Company, Inc.
American Express Travel Related Services Company, Inc. operates 3 of the TLDs RootFetch tracks, holding 14 domains in total. .open is #3 of them by size, with 7.1% of the group's domains.
How .open compares
In domain count, .open outranks 12% of the extensions RootFetch follows. Among the 10 TLDs closest to it in size, .open grew faster than 0; the fastest of that group was .pid at +0.0%.
Biggest moves
Of 7 changes between checks, 0 were gains, 0 were losses and 7 showed no change.
.open growth trend
.open accounts for 0.00% of all 89M domains RootFetch counts. Over the 173 days from Feb 24 to Aug 16 it averaged +0.00% a week, or 0 domains a day. If the latest rate held for 30 days, .open would reach about 1 domains (a straight-line projection, not a forecast).
.open domains by month
| Month | Domains | Change |
|---|---|---|
| August 2026 | 1 | 0 |
| March 2026 | 1 | 0 |
| February 2026 | 1 | – |
Every check
| Date | Domains | Change | Growth | Window | Severity |
|---|---|---|---|---|---|
| Aug 16, 2026 | 1 | 0 | +0.0% | 14 days | |
| Aug 2, 2026 | 1 | 0 | +0.0% | 152 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 .open
How many .open domains are there?
1, according to the .open zone file on Aug 16, 2026.
Can anyone register a .open domain?
No. .open is a brand TLD under Specification 13 of its ICANN registry agreement, so only American Express Travel Related Services Company, Inc. and its affiliates can register .open names.
Who runs the .open domain extension?
The registry operator is American Express Travel Related Services Company, Inc..
When was .open created?
It was delegated on Aug 8, 2016.
Is .open growing?
.open went from 1 domains on Feb 24, 2026 to 1 on Aug 16, 2026, a change of +0.0%. Its latest rate is about +0.0% a week.
How big is the .open domain extension compared to others?
.open is number 955 in size among tracked extensions. Its nearest neighbours are .norton, .nowtv, .obi.