colegioesperanza.edu.mx        has IPv4  has IPv6  fd5c:f96a:aed8:f800:284f:89b2:1861:48da  (errno=65) (time=12.600095)
www.nbty.com                   has IPv4  has IPv6  fd54:3998:fb52:48cc::1  (errno=65) (time=12.600582)