shell:$ nslookup -timeout=2 -retry=1 'dn-tanzania.marmot-cloud.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
dn-tanzania.marmot-cloud.com	canonical name = office-ingress.marmot-cloud.com.
Name:	office-ingress.marmot-cloud.com
Address: 8.216.133.17