curl --request GET \
  --url https://api.sandbox.monite.com/v1/mailbox_domains \
  --header 'Authorization: Bearer <token>' \
  --header 'x-monite-version: <x-monite-version>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "dns_records": {
        "receiving_dns_records": [
          {
            "is_active": true,
            "record_type": "TXT",
            "valid": "<string>",
            "value": "<string>",
            "name": "<string>",
            "record_purpose": "DKIM"
          }
        ],
        "sending_dns_records": [
          {
            "is_active": true,
            "record_type": "TXT",
            "valid": "<string>",
            "value": "<string>",
            "name": "<string>",
            "record_purpose": "DKIM"
          }
        ]
      },
      "domain": "<string>",
      "status": "<string>",
      "dedicated_ip": "<string>",
      "last_updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}