shell:$ nslookup -timeout=2 -retry=1 'init-p01st.push.apple.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
init-p01st.push.apple.com	canonical name = init-p01st-lb.push-apple.com.akadns.net.
init-p01st-lb.push-apple.com.akadns.net	canonical name = init-p01st-row.push-apple.com.akadns.net.
init-p01st-row.push-apple.com.akadns.net	canonical name = init-p01st.push.v.aaplimg.com.
Name:	init-p01st.push.v.aaplimg.com
Address: 17.253.11.196
Name:	init-p01st.push.v.aaplimg.com
Address: 17.253.11.198
Name:	init-p01st.push.v.aaplimg.com
Address: 2620:149:a08:f100::198
Name:	init-p01st.push.v.aaplimg.com
Address: 2620:149:a08:f100::196