A. Create a Route 53 Resolver inbound endpoint. Attach a security group to the endpoint to allow inbound traffic on TCP/UDP port 53 from the on-premises DNS servers.
B. Create a Route 53 Resolver inbound endpoint. Attach a security group to the endpoint to allow outbound traffic on TCP/UDP port 53 to the on-premises DNS servers.
C. Create a Route 53 Resolver outbound endpoint. Attach a security group to the endpoint to allow inbound traffic on TCP/UDP port 53 from the on-premises DNS servers.
D. Create a Route 53 Resolver outbound endpoint. Attach a security group to the endpoint to allow outbound traffic on TCP/UDP port 53 to the on-premises DNS servers.

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