[Full-disclosure] what is DNS response that 255.255.255.255?
handrix at gmail.com
Tue Mar 17 11:57:41 GMT 2009
Well, the blocklist of IPv4 address is (0.0.0.0 - 255.255.255.255),
and the IPv4 defines many classes A,B,C,D,E, the address 255.255.255.255
reside in class E (240.0.0.0 - 255.255.255.255)
and that class should not be used on IP networks. it's just for experimental
Anyway, the address 255.255.255.255 is a broadcast that deliver message
from one sender to many recipients.
Sending a direct message to an IP broadcast for example to 255.255.255.255
indicate that all other nodes on LAN should receive that message.
You can send a broadcast ping on your LAN by typing:
$ ping -b 255.255.255.255
That result all active target on you local network response to ping.
2009/3/17 김무성 <kimms at infosec.co.kr>
> I’m testing malware.
> It DNS query xxxxxxxxxxx.ods.org and xxxxxxxxx.daemon.sh
> And response is 255.255.255.255
> What is 255.255.255.255?
> Can DNS hosting company set that specific DNS name set to 255.255.255.255?
> Full-Disclosure - We believe in it.
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