Nmap scan report for web.whatsapp.com (157.240.234.60)
Host is up (0.044s latency).
Other addresses for web.whatsapp.com (not scanned): 2a03:2880:f20a:c5:face:b00c:0:167
rDNS record for 157.240.234.60: whatsapp-cdn-shv-02-sof1.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 2.45 seconds