prakasmiko
You have duplicate entry and as aaPanel_Kern suggested then edit your resolv.conf file:
#nano /etc/resolv.conf
Your entries should look like:
nameserver 8.8.8.8
nameserver 1.1.1.1
nameserver 180.131.144.144
options edns0 trust-ad
180.131.144.144 is Indonesia Nawala DNS Server, I add it because some Indonesia ISP not allow 8.8.8.8 anymore.