shell:$ nslookup -timeout=2 -retry=1 'auth-4p-br.mytelco.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
auth-4p-br.mytelco.io	canonical name = prd-vivobr-brazilsouth01.mytelco.io.
Name:	prd-vivobr-brazilsouth01.mytelco.io
Address: 20.157.222.91