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

Non-authoritative answer:
Name:	notifications-pa.googleapis.com
Address: 142.250.191.202
Name:	notifications-pa.googleapis.com
Address: 142.250.190.106
Name:	notifications-pa.googleapis.com
Address: 142.251.41.138
Name:	notifications-pa.googleapis.com
Address: 142.250.190.10
Name:	notifications-pa.googleapis.com
Address: 172.217.4.202
Name:	notifications-pa.googleapis.com
Address: 172.217.4.42
Name:	notifications-pa.googleapis.com
Address: 142.250.189.106
Name:	notifications-pa.googleapis.com
Address: 142.250.190.74
Name:	notifications-pa.googleapis.com
Address: 172.217.1.106
Name:	notifications-pa.googleapis.com
Address: 142.250.191.170
Name:	notifications-pa.googleapis.com
Address: 142.251.34.234
Name:	notifications-pa.googleapis.com
Address: 142.250.190.138
Name:	notifications-pa.googleapis.com
Address: 142.250.190.42
Name:	notifications-pa.googleapis.com
Address: 142.250.191.106
Name:	notifications-pa.googleapis.com
Address: 142.250.191.234
Name:	notifications-pa.googleapis.com
Address: 142.250.191.138
Name:	notifications-pa.googleapis.com
Address: 2607:f8b0:4009:80a::200a
Name:	notifications-pa.googleapis.com
Address: 2607:f8b0:4009:808::200a
Name:	notifications-pa.googleapis.com
Address: 2607:f8b0:4009:80b::200a
Name:	notifications-pa.googleapis.com
Address: 2607:f8b0:4009:809::200a