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

Non-authoritative answer:
app.ruangguru.com	canonical name = app.ruangguru.com.eo.dnse5.com.
Name:	app.ruangguru.com.eo.dnse5.com
Address: 43.159.95.120
Name:	app.ruangguru.com.eo.dnse5.com
Address: 240d:c010:74:1::51