shell:$ nslookup -timeout=2 -retry=1 'www.sit.isr.xl.co.id'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.sit.isr.xl.co.id	canonical name = www.sit.isr.xl.co.id.cdn.cloudflare.net.
Name:	www.sit.isr.xl.co.id.cdn.cloudflare.net
Address: 104.18.40.232
Name:	www.sit.isr.xl.co.id.cdn.cloudflare.net
Address: 172.64.147.24
Name:	www.sit.isr.xl.co.id.cdn.cloudflare.net
Address: 2606:4700:440b::ac40:9318
Name:	www.sit.isr.xl.co.id.cdn.cloudflare.net
Address: 2606:4700:440d::6812:28e8