shell:$ nslookup -timeout=2 -retry=1 'tma.com'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
Name: tma.com
Address: 206.188.192.237
;; Got SERVFAIL reply from 75.98.161.224, trying next server
;; Got SERVFAIL reply from 69.39.86.5
** server can't find tma.com: SERVFAIL
| 