shell:$ nslookup -timeout=2 -retry=1 'campus.opera.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
campus.opera.com	canonical name = opera.lms.crossknowledge.com.
Name:	opera.lms.crossknowledge.com
Address: 104.18.11.47
Name:	opera.lms.crossknowledge.com
Address: 104.18.10.47
Name:	opera.lms.crossknowledge.com
Address: 2606:4700::6812:a2f
Name:	opera.lms.crossknowledge.com
Address: 2606:4700::6812:b2f