shell:$ nslookup -timeout=2 -retry=1 '88.d9.caa1.ip4.static.sl-reverse.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	88.d9.caa1.ip4.static.sl-reverse.com
Address: 161.202.217.136