On 4/30/15, 12:16 AM, "Tom Robinson" <tom.robin...@motec.com.au> wrote:
>BTW, where can I see the results of my configuration changes? It would be >nice to confirm that my >changes have rectified the situation. On the server (via SSH or console) use the +trace argument to dig, and then look for lines starting with ';;': postmstr@smtp:~$ dig +trace example.com.multi.uribl.com | grep ';;' ;; global options: +cmd ;; Received 913 bytes from 127.0.0.1#53(127.0.0.1) in 8 ms ;; Received 760 bytes from 199.7.91.13#53(d.root-servers.net) in 48 ms ;; Received 707 bytes from 192.54.112.30#53(h.gtld-servers.net) in 124 ms ;; Received 553 bytes from 54.149.125.143#53(o.icudp.com) in 74 ms ;; Received 206 bytes from 52.68.34.21#53(gg.uribl.com) in 147 ms So you can see that my mail server is querying its local DNS resolver, which is querying the root servers and then working its way down to the appropriate uribl.com server. In your case your actual IPs will be different, but the pattern should still hold. -- Dave Pooser Cat-Herder-in-Chief, Pooserville.com
