shell:$ nslookup -timeout=2 -retry=1 'api-promo.samsungknowledge.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	api-promo.samsungknowledge.com
Address: 18.172.122.45
Name:	api-promo.samsungknowledge.com
Address: 18.172.122.32
Name:	api-promo.samsungknowledge.com
Address: 18.172.122.101
Name:	api-promo.samsungknowledge.com
Address: 18.172.122.19