shell:$ nslookup -timeout=2 -retry=1 'firebaseremoteconfigrealtime.googleapis.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 172.217.2.42
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.191.202
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.191.138
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 172.217.0.170
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.191.170
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.190.10
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.251.32.10
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.190.42
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.191.234
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.190.106
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.191.106
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.190.74
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 142.250.190.138
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 2607:f8b0:4009:814::200a
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 2607:f8b0:4009:81a::200a
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 2607:f8b0:4009:819::200a
Name:	firebaseremoteconfigrealtime.googleapis.com
Address: 2607:f8b0:4009:817::200a