shell:$ nslookup -timeout=2 -retry=1 'support.qq.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
support.qq.com	canonical name = ins-mnqgamdq.ias.tencent-cloud.net.
Name:	ins-mnqgamdq.ias.tencent-cloud.net
Address: 43.135.106.225
Name:	ins-mnqgamdq.ias.tencent-cloud.net
Address: 43.135.106.244
Name:	ins-mnqgamdq.ias.tencent-cloud.net
Address: 240d:c000:2010:1807:0:960f:317b:233a
Name:	ins-mnqgamdq.ias.tencent-cloud.net
Address: 240d:c000:2010:1807:0:960f:3168:d473