You will currently not be able to access any v3 onion addresses, what is happening is unknown, but it is potentially a huge attack on the entire network. Earlier today I made a post outlining consequences I would be putting into place to deter markets from funding DoS attacks against each other, as the potential to scale and completely kill every node on the network is a very real potential outcome. Now everything is down and I have no idea if this has sped up the process of this ocurring or if it is even an attack at all, all I know is, this is big.