shell:$ nslookup -timeout=2 -retry=1 'web.pertamina.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
web.pertamina.com	canonical name = web.lc.pertamina.com.
Name:	web.lc.pertamina.com
Address: 202.20.106.114
Name:	web.lc.pertamina.com
Address: 202.20.107.114
;; communications error to 75.98.161.224#53: timed out
;; communications error to 69.39.86.5#53: timed out
;; no servers could be reached