shell:$ nslookup -timeout=2 -retry=1 'cal.cardschat.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
cal.cardschat.com	canonical name = custom.glideapps.com.
custom.glideapps.com	canonical name = edge-proxy.glideapp.io.cdn.cloudflare.net.
Name:	edge-proxy.glideapp.io.cdn.cloudflare.net
Address: 104.16.218.83
Name:	edge-proxy.glideapp.io.cdn.cloudflare.net
Address: 104.16.219.83
Name:	edge-proxy.glideapp.io.cdn.cloudflare.net
Address: 2606:4700::6810:da53
Name:	edge-proxy.glideapp.io.cdn.cloudflare.net
Address: 2606:4700::6810:db53