## OUTSIDE CONTAINER ##

root@homelab:~# nslookup api.cloudflare.com 192.168.178.45
Server:         192.168.178.45
Address:        192.168.178.45#53

Non-authoritative answer:
Name:   api.cloudflare.com
Address: 104.19.192.175
Name:   api.cloudflare.com
Address: 104.19.192.177
Name:   api.cloudflare.com
Address: 104.19.192.176
Name:   api.cloudflare.com
Address: 104.19.192.29
Name:   api.cloudflare.com
Address: 104.19.193.29
Name:   api.cloudflare.com
Address: 104.19.192.174
Name:   api.cloudflare.com
Address: 2606:4700:300a::6813:c0ae
Name:   api.cloudflare.com
Address: 2606:4700:300a::6813:c11d
Name:   api.cloudflare.com
Address: 2606:4700:300a::6813:c0b0
Name:   api.cloudflare.com
Address: 2606:4700:300a::6813:c0af
Name:   api.cloudflare.com
Address: 2606:4700:300a::6813:c0b1
Name:   api.cloudflare.com
Address: 2606:4700:300a::6813:c01d

root@homelab:~# ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=59 time=17.4 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=59 time=17.4 ms
^C
--- 1.1.1.1 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 17.382/17.386/17.391/0.004 ms
root@homelab:~# ping 9.9.9.9
PING 9.9.9.9 (9.9.9.9) 56(84) bytes of data.
64 bytes from 9.9.9.9: icmp_seq=1 ttl=57 time=11.7 ms
64 bytes from 9.9.9.9: icmp_seq=2 ttl=57 time=10.5 ms
^C
--- 9.9.9.9 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 10.519/11.091/11.664/0.572 ms


## INSIDE CONTAINER ##

/ # nslookup api.cloudflare.com 192.168.178.45
;; connection timed out; no servers could be reached

/ # ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1): 56 data bytes
64 bytes from 1.1.1.1: seq=0 ttl=58 time=18.482 ms
64 bytes from 1.1.1.1: seq=1 ttl=58 time=16.200 ms
^C
--- 1.1.1.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 16.200/17.341/18.482 ms
/ # ping 9.9.9.9
PING 9.9.9.9 (9.9.9.9): 56 data bytes
64 bytes from 9.9.9.9: seq=0 ttl=56 time=12.182 ms
64 bytes from 9.9.9.9: seq=1 ttl=56 time=10.400 ms