shell:$ nslookup -timeout=2 -retry=1 'c.ns.whatsapp.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	c.ns.whatsapp.net
Address: 185.89.218.12
Name:	c.ns.whatsapp.net
Address: 2a03:2880:f1fc:c:face:b00c:0:35