There are few simple steps to clear your magento cache. Following are listed below:
1. Clearing application level cache using magento admin panel.
2. Clearing database level cache.
Our clients are provided with a CDN purge URL. On accessing it through any browser automatically refresh CDN cache.
Note: If you are using cloudflare caching the follow this to purge cache : How do I purge my cloudflare cache
If you are still facing the issue you can simply raise a ticket.