There is no domain name associated with the IPs.
Most importantly, usually, DDoS attacks use infected devices (PCs, mobile phones, smart fridges, shady browser addons etc…) to get many ip addresses and devices/locations and attack from everywhere at once.
I think you meant this one: https://m.youtube.com/watch?v=8JrqH2oOTK4
There is no domain name associated with the IPs.
Most importantly, usually, DDoS attacks use infected devices (PCs, mobile phones, smart fridges, shady browser addons etc…) to get many ip addresses and devices/locations and attack from everywhere at once.