.mlb domain statistics
.mlb has 51 registered domains as of Aug 8, 2026, ranking #659 by size. Since its first check on Feb 24, 2026 it has grown by 10.9% (+5 domains).
About the .mlb extension
.mlb has been in the internet's root zone since May 25, 2016, about 10.4 years, and is operated by MLB Advanced Media DH, LLC. Its ICANN registry agreement was signed on May 21, 2015, 370 days before launch. .mlb is a brand TLD: under Specification 13 of its ICANN agreement, only MLB Advanced Media DH, LLC 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 MLB Advanced Media DH, LLC
MLB Advanced Media DH, LLC operates 2 of the TLDs RootFetch tracks, holding 52 domains in total. .mlb is #1 of them by size, with 98.1% of the group's domains.
How .mlb compares
By size, .mlb sits ahead of 39% of tracked TLDs. Next to its 10 nearest-sized neighbours, .mlb out-grew 9; the fastest of that group was .here at +1200.0%.
Biggest moves
Of 8 changes between checks, 2 were gains, 0 were losses and 6 showed no change. The biggest gain was +3 domains (+6.2%) between May 30, 2026 and Aug 8, 2026.
.mlb growth trend
Its 51 names are 0.00% of the 89M domains across every tracked extension. Over the 165 days from Feb 24 to Aug 8 it averaged +0.44% a week, or 0 domains a day. Its strongest month on record was August 2026 (+3); its weakest was March 2026 (0).
.mlb domains by month
| Month | Domains | Change |
|---|---|---|
| August 2026 | 51 | +3 |
| May 2026 | 48 | +2 |
| March 2026 | 46 | 0 |
| February 2026 | 46 | – |
Every check
| Date | Domains | Change | Growth | Window | Severity |
|---|---|---|---|---|---|
| Aug 8, 2026 | 51 | +3 | +6.2% | 70 days | |
| May 30, 2026 | 48 | +2 | +4.3% | 84 days | |
| Mar 7, 2026 | 46 | 0 | +0.0% | 4 days | |
| Mar 3, 2026 | 46 | 0 | +0.0% | 1 day | |
| Mar 2, 2026 | 46 | 0 | +0.0% | 1 day | |
| Mar 1, 2026 | 46 | 0 | +0.0% | 3 days | |
| Feb 26, 2026 | 46 | 0 | +0.0% | 1 day | |
| Feb 25, 2026 | 46 | 0 | +0.0% | 1 day | |
| Feb 24, 2026 | 46 | – | – | first check |
Questions about .mlb
How many .mlb domains are there?
The .mlb zone listed 51 domains when it was last checked on Aug 8, 2026.
Can anyone register a .mlb domain?
No. .mlb is a brand TLD under Specification 13 of its ICANN registry agreement, so only MLB Advanced Media DH, LLC and its affiliates can register .mlb names.
Who runs the .mlb domain extension?
.mlb is run by MLB Advanced Media DH, LLC.
When was .mlb created?
May 25, 2016, when it entered the root zone.
Is .mlb growing?
.mlb went from 46 domains on Feb 24, 2026 to 51 on Aug 8, 2026, a change of +10.9%.
How big is the .mlb domain extension compared to others?
By registered domains, .mlb comes in at #659. Its nearest neighbours are .marriott, .here, .aig.