shell:$ nslookup -timeout=2 -retry=1 'd2.k.126.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
d2.k.126.net	canonical name = d2.k.126.net.163jiasu.com.
d2.k.126.net.163jiasu.com	canonical name = d2.k.126.net.w.cdngslb.com.
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.249
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.250
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.248
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.243
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.241
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.251
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.244
Name:	d2.k.126.net.w.cdngslb.com
Address: 101.89.125.242