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: 18.154.185.30
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 18.154.185.33
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 18.154.185.46
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 18.154.185.68
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:1800:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:aa00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:400:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:ac00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:4a00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:ec00:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:3200:7:6759:ecc0:93a1
Name:	d223x9s4i8c2ib.cloudfront.net
Address: 2600:9000:2507:f000:7:6759:ecc0:93a1