shell:$ nslookup -timeout=2 -retry=1 'wildcard.qq.com.edgekey.net' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: wildcard.qq.com.edgekey.net canonical name = e5956.g.akamaiedge.net. Name: e5956.g.akamaiedge.net Address: 23.211.205.10