Yup, they are trying to establish easy precedence. Quad9 has not enough funds to battle the suit, even tough they are probably the least guilty party.
Targeting DNS services is an interesting strategy, but if you know how the technology works it's also a silly one. Attacking those who only translate your request to access a site hosting copy righted content instead of the operator or host... or users for that matter.
The defendant is liable as a perpetrator because it makes its DNS resolver available to Internet users and, through this, it refers to the canna.to service with the infringing download offers relating to the music album in dispute,” the Court wrote.
Scary, since this could essentially establish a precedent that anyone who hosts DNS must concede to these types of demands. That includes Google, Meta, Verizon, CloudFlare, and every ISP on the planet. As well as the root servers.