Transfer Backup to another Scp server

[JonaxScript]

Hello,

i want to transfer my backup to my secound backup server. How can i trust this server?

Error:
ssh: Could not resolve hostname $scp_server: Name or service not known
lost connection
2020-03-01 15:15:39 SCP done


###########################################################
2020-03-01 15:15:39 Backup finished
Backup path: /home/backup/Full_Backup_v2070_2020-03-01-15-15-39.tar.bz2
###########################################################

My config:
# SCP to other server (Trusted servers for now)
scp_enable="yes"
scp_server="Server IP"
scp_port="22"
scp_username="root"
scp_path="/home/backup"