master bind 8 <-> slave bind 4

[Jim Reid]

>>>>> "Francois" == =?ISO-8859-1?Q?Fran=E7ois Chenais?= <ISO-8859-1> writes:

    Francois> I have resolved the problem bye adding the option

    Francois> 	query-source port 53;

    Francois> I thought it was the default way ?

No. By default BIND8 and BIND9 use a random, non-privileged port when
they make queries. BIND4 servers always used port 53 for that. The
query-source clause above will make a BIND[89] server behave like a
BIND4 server when it sends queries.