RKNA Invites Members & Clubs to Join RKNA is a member club of ADRK World Family. ADRK and RKNA share the common goals to preserve the Rottweiler in association with ADRK Breed and Performance standards. RKNA events are sanctioned and approved by RKNA. Membership is open to all countries. Join RKNA today and support the Rottweiler!