listen-on { 127.0.0.1; 158.64.1.25; }; query-source address 158.64.1.25; transfer-source 158.64.1.25; notify-source 158.64.1.25; listen-on-v6 { none; }; The same config used to work in 9.2.x, so did I miss a change, or a bug? Best regards, Gilles -- RESTENA - DNS-LU 6, rue Coudenhove-Kalergi L-1359 Luxembourg tel: (+352) 424409 fax: (+352) 422473