shell:$ nslookup -timeout=2 -retry=1 'dadan.tamvan.nut.cc'
;; communications error to 75.98.161.224#53: timed out
Server: 69.39.86.5
Address: 69.39.86.5#53
Non-authoritative answer:
Name: dadan.tamvan.nut.cc
Address: 64.190.63.222
;; communications error to 75.98.161.224#53: timed out
;; Got SERVFAIL reply from 69.39.86.5
** server can't find dadan.tamvan.nut.cc: SERVFAIL
| 