A fully managed end-to-end service for digitally signing code, documents, and applications. (formerly Trusted Signing)
Hi Prince,
In this case you need to call up the support desk and provide the identity proof as the Data Identification team will cross check the details you provide with the account - global-customer-service-phone-numbers.
After this step is completed you will need to access the tenant, go to the custom domain and delete the domain in question and wait for the DNS propagation to add into the new tenant.
Hope this helps.
JS
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