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

Non-authoritative answer:
Name:	thegioinhac.vn
Address: 42.1.65.47
;; communications error to 1.1.1.1#53: timed out