Mikrotik guys, what can say about this? are knowing this? is Mikrotik Hotspot vulnerable to this?

NSTX (IP-over-DNS) HOWTO
http://thomer.com/howtos/nstx.html
ICMPTX (IP-over-ICMP) HOWTO
http://thomer.com/icmptx/
http://packages.debian.org/unstable/net/nstx
Best Regards!
Alessio