shell:$ nslookup -timeout=2 -retry=1 'cdn.onesignal.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: cdn.onesignal.com
Address: 104.17.111.223
Name: cdn.onesignal.com
Address: 104.16.160.145
Name: cdn.onesignal.com
Address: 2606:4700::6811:6fdf
Name: cdn.onesignal.com
Address: 2606:4700::6810:a091
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