.cba domain statistics
.cba has 84 registered domains as of Aug 6, 2026, ranking #630 by size. Since its first check on Feb 24, 2026 it has grown by 1.2% (+1 domains).
About the .cba extension
.cba has been in the internet's root zone since Jun 22, 2015, about 11.3 years, and is operated by COMMONWEALTH BANK OF AUSTRALIA. Its ICANN registry agreement was signed on Jun 26, 2014, 361 days before launch. .cba is a brand TLD: under Specification 13 of its ICANN agreement, only COMMONWEALTH BANK OF AUSTRALIA 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 COMMONWEALTH BANK OF AUSTRALIA
COMMONWEALTH BANK OF AUSTRALIA operates 3 of the TLDs RootFetch tracks, holding 98 domains in total. .cba is #1 of them by size, with 85.7% of the group's domains.
How .cba compares
By size, .cba sits ahead of 42% of tracked TLDs. Next to its 10 nearest-sized neighbours, .cba out-grew 4; the fastest of that group was .microsoft at +7.2%.
Biggest moves
Of 7 changes between checks, 1 was a gain, 0 were losses and 6 showed no change. The biggest gain was +1 domains (+1.2%) between May 28, 2026 and Aug 6, 2026.
.cba growth trend
Its 84 names are 0.00% of the 89M domains across every tracked extension. Over the 163 days from Feb 24 to Aug 6 it averaged +0.05% a week, or 0 domains a day. Its strongest month on record was August 2026 (+1); its weakest was March 2026 (0).
.cba domains by month
| Month | Domains | Change |
|---|---|---|
| August 2026 | 84 | +1 |
| May 2026 | 83 | 0 |
| March 2026 | 83 | 0 |
| February 2026 | 83 | – |
Every check
| Date | Domains | Change | Growth | Window | Severity |
|---|---|---|---|---|---|
| Aug 6, 2026 | 84 | +1 | +1.2% | 70 days | |
| May 28, 2026 | 83 | 0 | +0.0% | 86 days | |
| Mar 3, 2026 | 83 | 0 | +0.0% | 1 day | |
| Mar 2, 2026 | 83 | 0 | +0.0% | 1 day | |
| Mar 1, 2026 | 83 | 0 | +0.0% | 3 days | |
| Feb 26, 2026 | 83 | 0 | +0.0% | 1 day | |
| Feb 25, 2026 | 83 | 0 | +0.0% | 1 day | |
| Feb 24, 2026 | 83 | – | – | first check |
Questions about .cba
How many .cba domains are there?
The .cba zone listed 84 domains when it was last checked on Aug 6, 2026.
Can anyone register a .cba domain?
No. .cba is a brand TLD under Specification 13 of its ICANN registry agreement, so only COMMONWEALTH BANK OF AUSTRALIA and its affiliates can register .cba names.
Who runs the .cba domain extension?
.cba is run by COMMONWEALTH BANK OF AUSTRALIA.
When was .cba created?
Jun 22, 2015, when it entered the root zone.
Is .cba growing?
.cba went from 83 domains on Feb 24, 2026 to 84 on Aug 6, 2026, a change of +1.2%.
How big is the .cba domain extension compared to others?
By registered domains, .cba comes in at #630. Its nearest neighbours are .संगठन, .komatsu, .deloitte.