[root@server ~]# curl ifconfig.co
curl: (6) Could not resolve host: ifconfig.co; Unknown error

[root@server ~]# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=53 time=42.4 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=53 time=49.8 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=53 time=49.3 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=53 time=40.9 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=53 time=44.1 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=53 time=56.8 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=53 time=45.0 ms
64 bytes from 8.8.8.8: icmp_seq=8 ttl=53 time=47.5 ms
^C
--- 8.8.8.8 ping statistics ---
8 packets transmitted, 8 received, 0% packet loss, time 7008ms
rtt min/avg/max/mdev = 40.971/47.025/56.889/4.751 ms
[root@server ~]#