shell:$ nslookup -timeout=2 -retry=1 'client.crisp.chat'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	client.crisp.chat
Address: 104.18.28.104
Name:	client.crisp.chat
Address: 104.18.29.104
Name:	client.crisp.chat
Address: 2606:4700::6812:1c68
Name:	client.crisp.chat
Address: 2606:4700::6812:1d68