shell:$ nslookup -timeout=2 -retry=1 'mobile.ak.omni.bankmandiri.co.id'
;; communications error to 1.1.1.1#53: timed out
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
mobile.ak.omni.bankmandiri.co.id	canonical name = mobile.ak.omni-v2.bankmandiri.co.id.edgekey.net.
mobile.ak.omni-v2.bankmandiri.co.id.edgekey.net	canonical name = e226320.a.akamaiedge.net.
Name:	e226320.a.akamaiedge.net
Address: 23.64.112.82
Name:	e226320.a.akamaiedge.net
Address: 23.64.112.88