shell:$ nslookup -timeout=2 -retry=1 'my.55haitao.com' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: my.55haitao.com canonical name = my.55haitao.com.eo.dnse2.com. Name: my.55haitao.com.eo.dnse2.com Address: 43.175.144.123