shell:$ nslookup -timeout=2 -retry=1 'ooredooudp.duckdns.org'
;; 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: ooredooudp.duckdns.org
Address: 104.26.8.251
;; 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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