shell:$ nslookup -timeout=2 -retry=1 'api-diagmon.samsungdm.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
api-diagmon.samsungdm.com	canonical name = api-diagmon.samsungdmroute.com.
Name:	api-diagmon.samsungdmroute.com
Address: 34.255.49.91
Name:	api-diagmon.samsungdmroute.com
Address: 52.211.129.230