New Ahrefs v3 API: We have upgraded to the new Ahrefs API on 18th October. All customers will need to re-authenticate the Ahrefs integration after the upgrade. Here is a blog post on the migration
Buy Business (Adult) Expired Domains
List of Expired domains in the Business (Adult) Niche
I've tried a number of expired domain finding tools and services but the support from DomCop is second to none. It's in my top two of tools to use, and the best I've used for crawling.
Glen Allsopp, Gaps.comUnited States