Thanks for the tip. With the first try I get an Error #22 :
; <<>> DiG 9.6.0-APPLE-P2 <<>> @8.8.8.8 terre2mains.org mx
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13373
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0...