After you published a DMARC record to your domain’s DNS, you need to start sending email messages from that domain. Then mailbox providers will start sending DMARC reports (they do once per day) and you will see the DMARC data in the “Aggregate Reports” dashboard in your account at GlockApps.
Learn More about DMARC:
How to Understand DMARC Reports
The Ultimate Guide to DMARC Reporting in 2022