shell:$ nslookup -timeout=2 -retry=1 'app.confidence.spotify.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
app.confidence.spotify.com	canonical name = edge-web.dual-gslb.spotify.com.
Name:	edge-web.dual-gslb.spotify.com
Address: 35.186.224.24
Name:	edge-web.dual-gslb.spotify.com
Address: 2600:1901:1:7c5::