.hbo domain statistics
On Oct 7, 2026 the .hbo zone held 4 domains, which makes it #818 in RootFetch's ranking. 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 .hbo extension
HBO Registry Services, Inc. runs .hbo, which went live in the root zone on Aug 14, 2016 (10.2 years ago). Its ICANN registry agreement was signed on Jul 30, 2015, 381 days before launch. .hbo is a brand TLD: under Specification 13 of its ICANN agreement, only HBO Registry Services, 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.
How .hbo compares
.hbo is bigger than 24% of the TLDs in this dataset. .hbo beat 0 of the 10 similar-sized TLDs on growth; the fastest of that group was .nokia at +0.0%.
Biggest moves
Of 10 changes between checks, 0 were gains, 0 were losses and 10 showed no change.
.hbo growth trend
That is a 0.00% slice of the 89M domains in the whole dataset. Over the 225 days from Feb 24 to Oct 7 it averaged +0.00% a week, or 0 domains a day. If the latest rate held for 30 days, .hbo would reach about 4 domains (a straight-line projection, not a forecast).
.hbo domains by month
| Month | Domains | Change |
|---|---|---|
| October 2026 | 4 | 0 |
| August 2026 | 4 | 0 |
| July 2026 | 4 | 0 |
| June 2026 | 4 | 0 |
| March 2026 | 4 | 0 |
| February 2026 | 4 | – |
Every check
| Date | Domains | Change | Growth | Window | Severity |
|---|---|---|---|---|---|
| Oct 7, 2026 | 4 | 0 | +0.0% | 56 days | |
| Aug 12, 2026 | 4 | 0 | +0.0% | 42 days | |
| Jul 1, 2026 | 4 | 0 | +0.0% | 28 days | |
| Jun 3, 2026 | 4 | 0 | +0.0% | 84 days | |
| Mar 11, 2026 | 4 | 0 | +0.0% | 8 days | |
| Mar 3, 2026 | 4 | 0 | +0.0% | 1 day | |
| Mar 2, 2026 | 4 | 0 | +0.0% | 1 day | |
| Mar 1, 2026 | 4 | 0 | +0.0% | 3 days | |
| Feb 26, 2026 | 4 | 0 | +0.0% | 1 day | |
| Feb 25, 2026 | 4 | 0 | +0.0% | 1 day | |
| Feb 24, 2026 | 4 | – | – | first check |
Questions about .hbo
How many .hbo domains are there?
As of Oct 7, 2026, there are 4 registered .hbo domains.
Can anyone register a .hbo domain?
No. .hbo is a brand TLD under Specification 13 of its ICANN registry agreement, so only HBO Registry Services, Inc. and its affiliates can register .hbo names.
Who runs the .hbo domain extension?
HBO Registry Services, Inc..
When was .hbo created?
.hbo went live in the DNS root on Aug 14, 2016.
Is .hbo growing?
.hbo went from 4 domains on Feb 24, 2026 to 4 on Oct 7, 2026, a change of +0.0%. Its latest rate is about +0.0% a week.
How big is the .hbo domain extension compared to others?
It ranks #818 by domain count. Its nearest neighbours are .americanexpress, .citi, .eurovision.