shell:$ nslookup -timeout=2 -retry=1 'fe-acc18.ru'
;; 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: fe-acc18.ru
Address: 104.247.81.99
;; communications error to 75.98.161.224#53: timed out
;; Got SERVFAIL reply from 69.39.86.5
** server can't find fe-acc18.ru: SERVFAIL
| 