mlai@mlai-laptop ~ $  nslookup trac.spn.tw.trendnet.org
Server:     10.52.36.10
Address:    10.52.36.10#53

Non-authoritative answer:
trac.spn.tw.trendnet.org    canonical name = tw-spninfradev-trac.spn.tw.trendnet.org.

mlai@mlai-laptop ~ $ nslookup tw-spninfradev-trac.spn.tw.trendnet.org.
;; Got SERVFAIL reply from 10.52.36.10, trying next server
;; Got SERVFAIL reply from 10.52.36.11, trying next server
Server:     10.30.48.20
Address:    10.30.48.20#53

Non-authoritative answer:
Name:   tw-spninfradev-trac.spn.tw.trendnet.org
Address: 10.1.112.98