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

Non-authoritative answer:
Name:	www.gbwhatsapp.com
Address: 54.215.31.113
;; Got SERVFAIL reply from 1.1.1.1, trying next server