Dnsrevenum6 tool is used to revers DNS information gathering for IPV6. implementation of IPv6 with a goal of meeting the 2012 requirements of the OMB IPv6 mandate. Talk to your network security team. IPv6 imposes a somewhat different environment than IPv4 and it does have implications for things like firewalls and NAT . it is a part of IPv6 toolkit. IPv6 toolkit is a set of IPv6 security assessment and trouble-shooting tools. It can be leveraged to perform security assessments of IPv6 networks, assess the resiliency of IPv6 devices by performing real-world attacks against them, and to trouble-shoot IPv6 networking problems. The tools comprising the toolkit range from packet-crafting tools to send arbitrary Neighbor Discovery packets to the most comprehensive IPv6 network scanning tool out there (our scan6 tool).
dnsrev enum 6 [dns-server] [ipv6 address]
cyborg@cyborg:~$ dnsrevenum6 126.96.36.199 2a00:1450:4004:802::/48 Starting DNS reverse enumeration of 2a00:1450:4004:802:: on server 188.8.131.52