Shouldn't that be:
db hosts show www.matrixtooling.com
This also yields no results.
Also, one of your tracerts said matrixtools.com not matrixtooling.com I assume this was a typo? I reran the local workstation tracert and got this:
C:\Users\davez>tracert
www.matrixtooling.comTracing route to
www.matrixtooling.com [173.205.126.186]
over a maximum of 30 hops:
1 2 ms 1 ms 2 ms mail.matrixtooling.com [192.168.1.1]
2 12 ms 11 ms 8 ms 10.51.23.254
3 8 ms 11 ms 10 ms 209.251.86.209
4 12 ms 12 ms 8 ms 65.91.34.106
5 87 ms 7 ms 11 ms vlan52.ebr2.Chicago2.Level3.net [4.69.138.190]
6 24 ms 25 ms 32 ms ae-6-6.ebr2.Washington12.Level3.net [4.69.148.145]
7 35 ms 34 ms 31 ms ae-5-5.ebr2.Washington1.Level3.net [4.69.143.221]
8 42 ms 71 ms 37 ms ae-72-72.csw2.Washington1.Level3.net [4.69.134.150]
9 51 ms 27 ms 35 ms ae-2-79.edge2.Washington4.Level3.net [4.68.17.83]
10 47 ms 38 ms 47 ms PACKET-EXCH.edge2.Washington4.Level3.net [4.53.114.78]
11 * * * Request timed out.
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.
19 * * * Request timed out.
20 * * * Request timed out.
21 * * * Request timed out.
22 * * * Request timed out.
23 * * * Request timed out.
24 * * * Request timed out.
25 * * * Request timed out.
26 * * * Request timed out.
27 * * * Request timed out.
28 * * * Request timed out.
29 * * * Request timed out.
30 * * * Request timed out.
Trace complete.