shell:$ nslookup -timeout=2 -retry=1 'www.wahtsap.com'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
Name: www.wahtsap.com
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 www.wahtsap.com: SERVFAIL
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