shell:$ nslookup -timeout=2 -retry=1 'auth.mtn.ch'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	auth.mtn.ch
Address: 57.129.44.5
Name:	auth.mtn.ch
Address: 2001:41d0:701:1100::a63c