shell:$ nslookup -timeout=2 -retry=1 'training.marketing.linkedin.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
training.marketing.linkedin.com	canonical name = training.marketing.linkedin.com.skilljarapp.com.
Name:	training.marketing.linkedin.com.skilljarapp.com
Address: 54.192.55.52
Name:	training.marketing.linkedin.com.skilljarapp.com
Address: 54.192.55.50
Name:	training.marketing.linkedin.com.skilljarapp.com
Address: 54.192.55.24
Name:	training.marketing.linkedin.com.skilljarapp.com
Address: 54.192.55.31