shell:$ nslookup -timeout=2 -retry=1 'post-office-rml-frontend.stg-east.frontend.public.atl-paas.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
post-office-rml-frontend.stg-east.frontend.public.atl-paas.net	canonical name = d223x9s4i8c2ib.cloudfront.net.
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 18.154.185.68
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 18.154.185.46
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 18.154.185.30
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 18.154.185.33
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:da00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:d000:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:9800:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:2200:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:2600:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:c400:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:f400:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:5e00:7:6759:ecc0:93a1