shell:$ nslookup -timeout=2 -retry=1 'iar.app.delivery'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	iar.app.delivery
Address: 172.67.73.13
Name:	iar.app.delivery
Address: 104.26.9.144
Name:	iar.app.delivery
Address: 104.26.8.144
Name:	iar.app.delivery
Address: 2606:4700:20::681a:890
Name:	iar.app.delivery
Address: 2606:4700:20::ac43:490d
Name:	iar.app.delivery
Address: 2606:4700:20::681a:990