Do I need to enable DMARC and DNSSEC for my domain?

Hello, I recently purchased a domain and while setting it up, I noticed two important options: DMARC and DNSSEC. As I delved deeper into the setup process, I came across several technical terms like MX records and DNS spoofing. To ensure the maximum privacy and security for my email forwarding setup, I'm seeking guidance from experts like you.
I'm particularly interested in setting up my email forwarding in a way that protects my online safety. Additionally, if you have any …

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