shell:$ nslookup -timeout=2 -retry=1 'static.80.153.21.65.clients.static.ip.clients.yourdomain.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	static.80.153.21.65.clients.static.ip.clients.yourdomain.com
Address: 192.124.249.6