Nmap scan report for chat.whatsapp.com (57.144.203.32)
Host is up (0.00046s latency).
Other addresses for chat.whatsapp.com (not scanned): 2a03:2880:f365:120:face:b00c:0:167
rDNS record for 57.144.203.32: whatsapp-cdn-shv-01-lax7.fbcdn.net
Not shown: 98 filtered tcp ports (no-response)
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 5.24 seconds