shell:$ nslookup -timeout=2 -retry=1 'b.tiles.mapbox.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
b.tiles.mapbox.com	canonical name = d1vrt33i2pfivz.cloudfront.net.
Name:	d1vrt33i2pfivz.cloudfront.net
Address: 3.168.51.52
Name:	d1vrt33i2pfivz.cloudfront.net
Address: 3.168.51.31
Name:	d1vrt33i2pfivz.cloudfront.net
Address: 3.168.51.3
Name:	d1vrt33i2pfivz.cloudfront.net
Address: 3.168.51.20