% ping whatsapp.com
  ping: whatsapp.com: Name or service not known
  % ping web.whatsapp.com
  ping: web.whatsapp.com: Name or service not known
  % ping facebook.com
  ping: facebook.com: Name or service not known
  % ping instagram.com
  PING instagram.com (31.13.65.174) 56(84) bytes of data.
  64 bytes from 31.13.65.174 (31.13.65.174): icmp_seq=1 ttl=53 time=110 ms