Found problem, Its not postfix nor os - thanks for all the help, its my toplayer IDS ! Nov 18 14:16:31 [10.142.4.252.2.2] 10.142.4.252 IPS5500-150E: id=060002 pt=TLN-TS prot=UDP cip=208.67.222.222 cprt=53 sip=193.95.152.20 sprt=48020 atck=tln-101047 disp=mitigate ckt=1 src=extern msg="PROTO: DNS Inbound Resource Record Data Contains Invalid Character"
>>> Wietse Venema <wie...@porcupine.org> 18/11/09 14:43:46 >>> Laurence Moughan: > obeml1# dig @resolver1.opendns.com eurocommerce.ie > > ; <<>> DiG 8.3 <<>> @resolver1.opendns.com eurocommerce.ie > ; (1 server found) > ;; res options: init recurs defnam dnsrch > ;; got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6 > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 > ;; QUERY SECTION: > ;; eurocommerce.ie, type = A, class = IN That is the wrong query. You need to ask for the MX record. Wietse