Which three changes are needed to offer DNS functionality for IPv6?

An engineer is providing DNS for IPv6 over a currently working IPv4 domain. Which three changes are needed to offer DNS functionality for IPv6? (Choose three.)
A. Define a new record that stores the 128-bit IPv6 address.
B. Expand the existing IP address record to allow for 128 bits.
C. Define the IPv6 equivalent of the in-addr.arpa.com domain of the IPv4 PTR.
D. Modify the in-addr.arpa.com domain of the IPv4 PTR.
E. Change the query messages.
F. Transport IPv6 query messages by using UDP.
G. Transport IPv6 query messages by using TCP.

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