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

Non-authoritative answer:
streaming.split.io	canonical name = split-cname-realtime.ably.io.
split-cname-realtime.ably.io	canonical name = ddv9nt6v6rf1j.cloudfront.net.
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 18.154.110.28
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 18.154.110.69
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 18.154.110.81
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 18.154.110.77
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:8800:6:5671:b9c0:93a1
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:c400:6:5671:b9c0:93a1
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:d000:6:5671:b9c0:93a1
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:2200:6:5671:b9c0:93a1
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:ca00:6:5671:b9c0:93a1
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:d800:6:5671:b9c0:93a1
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:3000:6:5671:b9c0:93a1
Name:	ddv9nt6v6rf1j.cloudfront.net
Address: 2600:9000:24d2:7800:6:5671:b9c0:93a1