Most of Exchanges, faucets, etc are out of date. I think they have configured offline nodes.
i found these ones that seems are online, please recheck.

addnode=167.114.103.43
addnode=179.10.65.205
addnode=109.62.181.98
addnode=186.216.73.248
addnode=5.36.128.214
addnode=5.36.193.43
addnode=91.153.109.149
addnode=95.211.57.108