shell:$ nslookup -timeout=2 -retry=1 'web.gprs.mtncameroun.net'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: web.gprs.mtncameroun.net
Address: 199.191.50.184
;; communications error to 1.1.1.1#53: timed out
;; communications error to 8.8.8.8#53: timed out
;; no servers could be reached
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