shell:$ nslookup -timeout=2 -retry=1 'rr3---sn-o097znsz.c.youtube.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
rr3---sn-o097znsz.c.youtube.com	canonical name = rr3.sn-o097znsz.c.youtube.com.
Name:	rr3.sn-o097znsz.c.youtube.com
Address: 74.125.166.232
Name:	rr3.sn-o097znsz.c.youtube.com
Address: 2607:f8b0:4005:10::8