Used it but had concerns. Phone numbers ring through for the most part. Bought it while building a france gap store locations prospecting workflow for France. Would consider buying again if a credit or refresh is offered for the bad rows.
Appreciate you taking the time to flag the issues, this isn't the experience we want any buyer to have. Open a ticket via Help → Contact Support with the specific rows that bounced and we'll get a credit or fresh export to you within 24 hours.