shell:$ nslookup -timeout=2 -retry=1 'i-sdk.mediation.unity3d.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	i-sdk.mediation.unity3d.com
Address: 18.67.39.100
Name:	i-sdk.mediation.unity3d.com
Address: 18.67.39.76
Name:	i-sdk.mediation.unity3d.com
Address: 18.67.39.123
Name:	i-sdk.mediation.unity3d.com
Address: 18.67.39.69