shell:$ nslookup -timeout=2 -retry=1 'click.convertkit-mail2.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	click.convertkit-mail2.com
Address: 3.141.222.179
Name:	click.convertkit-mail2.com
Address: 3.18.56.123
Name:	click.convertkit-mail2.com
Address: 18.220.225.51