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

Non-authoritative answer:
Name:	sercomtel.com.br
Address: 45.60.241.143
Name:	sercomtel.com.br
Address: 45.60.247.143