shell:$ nslookup -timeout=2 -retry=1 'ext.help.uberinternal.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
ext.help.uberinternal.com	canonical name = ext-help-uberinternal-com-059d9709-ea33-413f-bca0-670516833a50.saas.atlassian.com.
Name:	ext-help-uberinternal-com-059d9709-ea33-413f-bca0-670516833a50.saas.atlassian.com
Address: 108.138.85.55
Name:	ext-help-uberinternal-com-059d9709-ea33-413f-bca0-670516833a50.saas.atlassian.com
Address: 108.138.85.23
Name:	ext-help-uberinternal-com-059d9709-ea33-413f-bca0-670516833a50.saas.atlassian.com
Address: 108.138.85.106
Name:	ext-help-uberinternal-com-059d9709-ea33-413f-bca0-670516833a50.saas.atlassian.com
Address: 108.138.85.100