.duo
Is .duo a real TLD? Who’s applying to run it?
Nobody has applied for .duo in its own right, as of 7 October 2026. ShortDot named .duo as the backup string of its .uni application.
A niche TLD for two-person teams, co-founder pairs, musical and creative duos, couples, and product lines or apps built around a "pair" concept who want a short, pronounceable suffix that says "two".
Nobody has applied for .duo in its own right.
The nearest 2012 strings, and how many names each holds today
The closest 2012 string, .one, held 283,638 names, June 2026. .team held 67,162; .zero held 2. Chosen by AI from every string in the 2012 round, without being told what happened to any of them.
Same bet: a tiny, universally understood number-word with no industry attached, sold on evocative brandability and right-of-dot phrasing rather than on any category of registrant who must have it.
Same bet in a different group size — an unowned collective-identity noun sold to the small unit it names (a pair instead of a squad), where success depends on people wanting the group itself, not a business category, as their address.
Also a short numeric-abstract lexical string whose value is brand flavor and suffix mechanics, with the same open question of whether anyone anchors a primary identity on a quantity word.
two-person teams, co-founder pairs, musical and creative duos, couples, and product lines or apps built around a "pair" concept who want a short, pronounceable suffix that says "two"
What a .duo domain is
.duo is not a TLD yet. It is a string on our record of the ICANN 2026 new gTLD round, in our Brand category. Nobody has applied for .duo in its own right. It is named on ICANN’s list as part of an application for another string.
Is the .duo domain extension real yet?
.duo is not yet a domain extension you can register: nothing resolves under it, and no registrar sells names in it. Nobody has applied for it on the public record; the ICANN 2026 new gTLD round is the process that would decide whether it becomes one.
When can you buy a .duo domain?
You can’t yet. A .duo name can only be registered once the string is delegated (added to the DNS root) and its registry opens. Last round's closest parallel to .duo was .one, delegated on 22 January 2015.
Is .duo a real TLD?
Not yet. .duo is not in the DNS root, so nothing resolves under it. It’s here because ICANN’s list names .duo as part of an application for another string. Every entry on this page links to its source.
- ShortDot · now replacementICANN
- ShortDot · now announced
- ShortDot · first recordedShortDot (Ireland) Limited
“NA2626T-T16549 · ShortDot (Ireland) Limited · replacement string of .uni”ICANN
“ShortDot (Ireland) Limited has submitted 40 applications to ICANN's 2026 New gTLD Program. The 80 strings shown include applied-for and designated replacement strings across ShortDot's 40 ICANN applications, presented without revealing their status or pairing.”ShortDot (Ireland) Limited
- Band chosen: 30-49 (usable but limited), at its low edge. The string is a genuine dictionary word, three letters, pronounceable across languages, and carries a clear meaning (a pair), which gives it real if narrow primary-identity hooks: duos of any kind, pair-based apps, two-player games, partner ventures. It is not in the 50-69 band because no single category treats "duo" as a namespace default; by analogy (flagged) with other short generic-word gTLDs whose meaning is a descriptor rather than a category (e.g. strings meaning one, plus, fun), such TLDs have tended to see registrations driven by low wholesale pricing and promotions rather than sustained organic demand, and their aftermarkets have stayed thin. It is not in the 10-29 band because, unlike joke or event-driven strings, "duo" has a durable semantic use case and reads as a plausible brand suffix rather than a novelty. A secondary consideration, qualitative only: several well-known consumer and security products use "Duo" as a name, which could pull some defensive or brand-anchored interest but also means the word is already crowded as a brand. Main market uncertainty: whether the string is positioned as a volume, price-led namespace (by analogy with the recorded operator's existing portfolio of short strings, which would inflate counts but weaken the brand signal) or as a curated brand-style namespace with premium tiers; the answer determines whether it sits in the low 30s or drifts into the 20s.