Mocka played in the 2003 CONCACAF Gold Cup preliminary qualifiers against Puerto Rico on 7–21 July 2002.
Dominique scored twice in ten minutes in the match against Antigua & Barbuda as Guadeloupe as his team won 2–0.
[9] Mocka made his only appearance in the tournament in the 1–1 draw with Haiti in June 2007, coming on as a second-half substitute.
The midfielder was recalled to the Guadeloupe national team in October 2012, making three appearances at the 2012 Caribbean Cup.
Mocka scored a first-half brace in the 4–1 win over Puerto Rico on 26 October 2012; these were his first international goals for nine years.