shell:$ nslookup -timeout=2 -retry=1 'posts-tools.st3.rbx.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
posts-tools.st3.rbx.com	canonical name = d13pfvjdl8ewkn.cloudfront.net.
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 108.156.184.63
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 108.156.184.43
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 108.156.184.24
Name:	d13pfvjdl8ewkn.cloudfront.net
Address: 108.156.184.26