<s>
dbndns	B-Application
was	O
a	O
fork	B-Application
of	O
the	O
djbdns	B-Protocol
software	O
package	O
,	O
maintained	O
by	O
the	O
Debian	O
Project	O
,	O
made	O
possible	O
by	O
the	O
release	O
of	O
djbdns	B-Protocol
to	O
the	O
public	O
domain	O
.	O
</s>
<s>
The	O
fork	B-Application
was	O
created	O
so	O
as	O
to	O
add	O
many	O
common	O
patches	O
to	O
djbdns	B-Protocol
.	O
</s>
<s>
Most	O
notably	O
,	O
this	O
now	O
includes	O
IPv6	B-Protocol
support	O
.	O
</s>
<s>
Previously	O
,	O
it	O
was	O
necessary	O
to	O
get	O
a	O
special	O
'	O
djbdns-installer	O
'	O
package	O
that	O
downloaded	O
the	O
djbdns	B-Protocol
source	O
from	O
the	O
author	O
's	O
site	O
and	O
apply	O
a	O
patch	O
,	O
but	O
the	O
free	O
software	O
status	O
means	O
this	O
is	O
no	O
longer	O
necessary	O
,	O
and	O
Debian	O
can	O
directly	O
carry	O
the	O
source	O
and	O
patches	O
,	O
producing	O
a	O
redistributable	O
binary	O
deb	O
package	O
.	O
</s>
<s>
This	O
package	O
had	O
filtered	O
through	O
into	O
Ubuntu	B-Operating_System
.	O
</s>
<s>
Dbndns	B-Application
is	O
no	O
longer	O
maintained	O
as	O
part	O
of	O
the	O
Debian	O
distribution	O
.	O
</s>
