Just looking at options to change from our existing Vodafone connection to a different ISP and Flip had piped up on my radar.
Main issue would be use of CG-NAT so I can't even say if smart DNS services work at all.
Spark FibreMAX using Mikrotik CCR1009-8G-1S-1S+. Apple TV 4, Apple TV 4K, iPad Air 1, iPhone 6s, VodaTV Gen 2. If it doesn't move then its data cabled.