ranking

.otsuka registrar market share (June 2026)

In June 2026, GMO Internet, Inc. d/b/a Onamae.com held the largest share of .otsuka domains: 85.0%, or 17 of 20. 1 registrar sold .otsuka that month.

Each registrar’s share of all .otsuka domains in June 2026, as the registry reported them.