UC-2026 Revert DNS Customization feature
 UC-1615 - Add basic DNS custom record support
 XX-1622 - DNS Fail-over and views support to UI
 UC-1625 - clean up l8n strings and add breadcrumbs to dns pages
 UC-1625 - Add turning off NAPTR, NS and A records in a dns view
 UC-1625 - Add support for filter on public records for dns viewing