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How DNS records work for your Maildoso domains

Why Maildoso manages your domain's DNS records and how the nameserver setup works.

Maildoso manages your DNS for you

When you connect a domain to Maildoso, we host and manage its email DNS records (MX, SPF, DKIM, DMARC) for you. These records are kept on our side so your mailboxes stay correctly configured for deliverability, which is why we don't hand out an individual set of records for you to paste into your own DNS.

Additionally, it is important to note that Maildoso does not support manual creation or editing of email DNS records at your registrar. All DNS configurations must remain under Maildoso's management to ensure proper functionality.

Additionally, Maildoso does not support adding third-party DNS records, such as external CNAMEs for services like Microsoft 365 or Exchange, within its DNS system. This restriction ensures seamless management of Maildoso's services and avoids external dependencies.

How to connect a domain

  • Add the domain in your dashboard (Domains → connect an existing domain).

  • We then give you 2 nameservers for that domain.

  • Add those 2 nameservers at your domain registrar — and only those 2, nothing else. This step is required for the domain to be fully configured. Important: Do not switch your domain's nameservers to the registrar's default settings. Doing so will move DNS management away from Maildoso, potentially disrupting email delivery and causing downtime. Maildoso uses Dynadot as its registrar for domain management. If you wish to transfer your domain to your own registrar account, follow these steps (see also Transferring your domains out of Maildoso for what this costs and how it affects mailboxes):

For example, pointing your domain’s nameservers to Maildoso will disable external email services like Microsoft 365, as Maildoso does not allow third-party DNS records to be added to its system.

  1. Create a free account with Dynadot or the registrar used by Maildoso.

  2. Share your Dynadot username or equivalent account details with the Maildoso support team.

  3. Maildoso will initiate the domain transfer to your registrar account once the necessary details are provided.

Note: After transferring a domain to an external registrar, you must re-add the domain to the Maildoso dashboard to restore mailbox routing and SMTP relay services.

Checking your records

Because our DKIM and DMARC keys are custom, some third-party checking tools may not display them as expected even when everything is set up correctly. You can confirm your records using a standard DNS/DMARC lookup tool. If anything looks off, reach out and we'll verify the setup for you. For a step-by-step verification walkthrough, see How do I manage and verify DNS records for my domain with Maildoso?

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