shell:$ nslookup -timeout=2 -retry=1 'post-office-rml-frontend.stg-east.frontend.public.atl-paas.net'
Server:		75.98.161.224
Address:	75.98.161.224#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: 3.160.5.45
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 3.160.5.113
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 3.160.5.63
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 3.160.5.110
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:3a00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:6200:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:5c00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:a000:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:800:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:2a00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:5200:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:25f4:b000:7:6759:ecc0:93a1