tmnxMobPdnApnPcoNbnsV6SecAddr 1.3.6.1.4.1.6527.3.1.2.71.1.10.1.37

The value of tmnxMobPdnApnPcoNbnsV6SecAddr specifies the IPv6 address of the secondary netbios Name Service (NBNS) server used by Microsoft Netbios clients to reach netbios servers.