shell:$ nslookup -timeout=2 -retry=1 'posts-tools.st3.rbx.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
posts-tools.st3.rbx.com	canonical name = d13pfvjdl8ewkn.cloudfront.net.
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 13.225.47.83
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 13.225.47.15
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 13.225.47.125
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 13.225.47.120