shell:$ nslookup -timeout=2 -retry=1 'www.singhost.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: www.singhost.com
Address: 223.25.237.173
;; communications error to 1.1.1.1#53: timed out
;; communications error to 8.8.8.8#53: timed out
;; no servers could be reached
| 