shell:$ nslookup -timeout=2 -retry=1 'telkomsigma.co.id'
;; Got SERVFAIL reply from 75.98.161.224, trying next server
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
Name:	telkomsigma.co.id
Address: 103.147.2.4