shell:$ nslookup -timeout=2 -retry=1 'www.e-classerdc.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.e-classerdc.com	canonical name = e-classerdc.com.
Name:	e-classerdc.com
Address: 3.33.130.190
Name:	e-classerdc.com
Address: 15.197.148.33