shell:$ nslookup -timeout=2 -retry=1 'imclass.com'
;; communications error to 1.1.1.1#53: timed out
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
imclass.com	canonical name = www.imclass.cn.
Name:	www.imclass.cn
Address: 47.114.218.49