shell:$ nslookup -timeout=2 -retry=1 'unesco-yao.avcn.fr'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
unesco-yao.avcn.fr canonical name = unesco-yao.avcn.fr.cdn.cloudflare.net.
Name: unesco-yao.avcn.fr.cdn.cloudflare.net
Address: 172.67.161.199
Name: unesco-yao.avcn.fr.cdn.cloudflare.net
Address: 104.21.9.243
Name: unesco-yao.avcn.fr.cdn.cloudflare.net
Address: 2606:4700:3032::6815:9f3
Name: unesco-yao.avcn.fr.cdn.cloudflare.net
Address: 2606:4700:3037::ac43:a1c7
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