shell:$ nslookup -timeout=2 -retry=1 'm.yohooweb.com' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: m.yohooweb.com canonical name = all.yohooweb.com.w.cdngslb.com. Name: all.yohooweb.com.w.cdngslb.com Address: 8.25.82.202