If you don't already have a custom domain, should purchase your domain through Vondelphia. Von offers transparent pricing no hidden or surprise fees and a powerful domain management portal. Your domain is set up for you automatically, and you keep ownership even if you leave Vondelphia.
Domains purchased through Vondelphia are registered for one year, and can be renewed for $8 until you cancel your domain. Custom domains purchased through Vondelphia start at $25 USD for the first year. Domain renewal, each year after, is just $8.
If you buy your custom domain through Vondelphia, the DNS settings will be configured for you automagically.
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Vondelphia will provide email accounts as part of its domain services, and also provides unlimited email forwarding accounts for your domain name.