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

Non-authoritative answer:
ir.roblox.com	canonical name = roblox2020ipo-farm.q4web.com.
roblox2020ipo-farm.q4web.com	canonical name = webfarm-31002.q4web.com.
webfarm-31002.q4web.com	canonical name = webfarm-300.q4web.com.
webfarm-300.q4web.com	canonical name = cloudflare.cdn.web.prd.q4inc.com.
cloudflare.cdn.web.prd.q4inc.com	canonical name = cloudflare.cdn.web.prd.q4inc.com.cdn.cloudflare.net.
Name:	cloudflare.cdn.web.prd.q4inc.com.cdn.cloudflare.net
Address: 162.159.130.11
Name:	cloudflare.cdn.web.prd.q4inc.com.cdn.cloudflare.net
Address: 162.159.129.11
Name:	cloudflare.cdn.web.prd.q4inc.com.cdn.cloudflare.net
Address: 2606:4700:7::a29f:810b
Name:	cloudflare.cdn.web.prd.q4inc.com.cdn.cloudflare.net
Address: 2606:4700:7::a29f:820b