shell:$ nslookup -timeout=2 -retry=1 'www.cbt.tm'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.cbt.tm	canonical name = ns1.cbt.tm.
Name:	ns1.cbt.tm
Address: 217.174.226.81
;; communications error to 1.1.1.1#53: timed out