shell:$ nslookup -timeout=2 -retry=1 'intldlgs.qq.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
intldlgs.qq.com	canonical name = intldlgs.qq.com.tegsea.tc.qq.com.
intldlgs.qq.com.tegsea.tc.qq.com	canonical name = intldlgs.qq.com.cdn.ettdnsv.com.
intldlgs.qq.com.cdn.ettdnsv.com	canonical name = intldlgs.qq.com.edgesuite.net.
intldlgs.qq.com.edgesuite.net	canonical name = a1807.b.akamai.net.
Name:	a1807.b.akamai.net
Address: 2.16.170.230
Name:	a1807.b.akamai.net
Address: 2.16.170.234