Error dialing seed, cube_47-5

[Dilrong]

10:27AM ERR Error dialing seed err="dial tcp 20.80.183.57:26656: i/o timeout" module=p2p seed={"id":"ea7ef4864a9835d9a311ef409936278df3002576","ip":"20.80.183.57","port":26656}
10:27AM INF Dialing peer address={"id":"9ddfac28dc6b28601e3039902ee5a8915dc7891f","ip":"3.35.54.221","port":26656} module=p2p
10:27AM ERR Error dialing seed err="dial tcp 3.35.54.221:2665: i/o timeout" module=p2p seed={"id":"9ddfac28dc6b28601e3039902ee5a8915dc7891f","ip":"3.35.54.221","port":26656}
10:27AM ERR Couldn't connect to any seeds module=p2p

Seeding a testnet(cube_47-5) full node results in an error.

my config.toml...
~/.xpla/config/config.toml

seeds = "[email protected]:26656,[email protected]:26656"

xpladev/docs#36