shell:$ nslookup -timeout=2 -retry=1 'yt3.ggpht.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
yt3.ggpht.com	canonical name = photos-ugc.l.googleusercontent.com.
Name:	photos-ugc.l.googleusercontent.com
Address: 142.250.191.129
Name:	photos-ugc.l.googleusercontent.com
Address: 2607:f8b0:4009:803::2001