shell:$ nslookup -timeout=2 -retry=1 'sdk.mrf.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
sdk.mrf.io	canonical name = sdk.mrf.io.cdn.cloudflare.net.
Name:	sdk.mrf.io.cdn.cloudflare.net
Address: 104.19.219.32
Name:	sdk.mrf.io.cdn.cloudflare.net
Address: 104.19.220.32
Name:	sdk.mrf.io.cdn.cloudflare.net
Address: 2606:4700::6813:db20
Name:	sdk.mrf.io.cdn.cloudflare.net
Address: 2606:4700::6813:dc20