shell:$ nslookup -timeout=2 -retry=1 'resources.zendesk.co.jp'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	resources.zendesk.co.jp
Address: 104.17.15.122
Name:	resources.zendesk.co.jp
Address: 104.17.13.122
Name:	resources.zendesk.co.jp
Address: 104.17.16.122
Name:	resources.zendesk.co.jp
Address: 104.17.12.122
Name:	resources.zendesk.co.jp
Address: 104.17.14.122
Name:	resources.zendesk.co.jp
Address: 2606:4700::6811:e7a
Name:	resources.zendesk.co.jp
Address: 2606:4700::6811:107a
Name:	resources.zendesk.co.jp
Address: 2606:4700::6811:f7a
Name:	resources.zendesk.co.jp
Address: 2606:4700::6811:d7a
Name:	resources.zendesk.co.jp
Address: 2606:4700::6811:c7a