shell:$ nslookup -timeout=2 -retry=1 'www.mu.ac.zm'
;; 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:	www.mu.ac.zm
Address: 41.63.16.31
;; communications error to 75.98.161.224#53: timed out
;; communications error to 69.39.86.5#53: timed out
;; no servers could be reached