[cobalt-users] Reverse DNS, RFC 2317, Qube2, and a /25 subnet (half class-c)

[Product User <gav8ors@xxxxxxxxxxx>]

The browser-based management warns:
WARNING!   Reverse lookup entries with uneven octet network masks (i.e.
not 8, 16, or 24) require
         the use of the reverse delegation method described in RFC2317
to be functional.

There's no further mention of how to accomplish this without voiding the
warranty.  (Telneting in and manually making these changes.)

Cobalt t.s. asked me to make sure that the ISP is allowing reverse
lookups, which is the case.

Anyone else have this problem and solve it?