Log Message:
validns 0.7
        Support for KX, DLV, DHCID, NAPTR records.
        Support for X25, ISDN, RT, PX records.
        Support for MB, MG, MR, MINFO, AFSDB records.
        NSEC chain validation fix.
        Do not allow LP point to itself.
        Miscellaneous performance improvements.
        Miscellaneous portability fixes.
        Miscellaneous bug fixes.