shell:$ nslookup -timeout=2 -retry=1 'dev-web.whatsapp.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
dev-web.whatsapp.com	canonical name = mmx-ds.cdn.whatsapp.net.
Name:	mmx-ds.cdn.whatsapp.net
Address: 31.13.71.49
Name:	mmx-ds.cdn.whatsapp.net
Address: 2a03:2880:f212:c5:face:b00c:0:167