shell:$ nslookup -timeout=2 -retry=1 'tum.tankan.ggff.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	tum.tankan.ggff.net
Address: 154.53.40.24
Name:	tum.tankan.ggff.net
Address: 94.72.109.146