Receptor for TNFSF8/CD30L. May play a role in the regulation of cellular growth and transformation of activated lymphoblasts (By similarity). Regulates gene expression through activation of NF-kappa-B (PubMed:8982082). Interacts with TRAF1, TRAF2, TRAF3 and TRAF5. Very low level of expression. Detected in spleen, thymus and lung. Highly expressed in HTLV-1 infected T-cell lines. By phytohemagglutinin (PHA) in spleen T-cells. Belongs to the TNFR8 family.