I think it’s quite respectable compared to other TLDs. Many are coming on the market with about 1,000 registrations. Some that have been out for a long time still haven’t hit 3,500 names in the zone file, for example .computer, .build, .recipes.
Read the article here: http://domainnamewire.com/2014/07/11/is-3500-domains-a-slow-start-or-good-start/.
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