shell:$ nslookup -timeout=2 -retry=1 'yabadoo.mtn.cm'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
Name: yabadoo.mtn.cm
Address: 129.0.40.49
;; 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
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