shell:$ nslookup -timeout=2 -retry=1 'cursos-livres.descomplica.com.br'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
cursos-livres.descomplica.com.br	canonical name = cdn.webflow.com.
Name:	cdn.webflow.com
Address: 198.202.211.1
Name:	cdn.webflow.com
Address: 2620:cb:2000::1