Add xmr1.rs.me, xmr2.rs.me, xmr3.rs.me nodes to the list of remote nodes
These 3 nodes are running 24/7 and are quite reliable: https://nodes.rs.me/

https://www.reddit.com/r/Monero/comments/13cizv2/happy_to_host_three_monero_public_nodes/

I use them in my P2Pool CI tests and didn't have problems so far.