curl --request GET \
  --url https://app.sendmux.ai/api/v1/domains \
  --header 'Authorization: Bearer <token>'

{
  "ok": true,
  "data": [
    {
      "id": "mdom_clxxxxxxxxxxxxxxxxxxxxxxxxx",
      "domain": "mail.acme.com",
      "verification_status": "pending",
      "ses_dkim_status": "<string>",
      "verified_at": "<string>",
      "created_at": "<string>",
      "dns_records": {
        "mx": [
          {
            "priority": 10,
            "target": "mail.sendmux.ai"
          }
        ],
        "spf": {
          "name": "_sendmux.acme.com",
          "value": "sendmux-verify=team_abc123"
        },
        "dmarc": {
          "name": "_sendmux.acme.com",
          "value": "sendmux-verify=team_abc123"
        },
        "dkim": [
          {
            "name": "_sendmux.acme.com",
            "value": "sendmux-verify=team_abc123"
          }
        ],
        "verification": {
          "name": "_sendmux.acme.com",
          "value": "sendmux-verify=team_abc123"
        }
      }
    }
  ],
  "meta": {
    "request_id": "req_clxxxxxxxxxxxxxxxxxxxxxxxxx"
  }
}