gTLD Domain

• For which domain endings (TLDs) is a verification of the e-mail address necessary?
• Can I verify a domain contact beforehand?
• Does the verification happen separately for each and every domain ?
• Why do I have to verify an e-mail address for my domains?
• Why has my domain been deactivated?
• How can reactivate a domain?
• How much time do I have to verify my e-mail address?
• How will I notice if a validation was successful?