Helo.configure do |config|
  config.access_token = "YOUR_BEARER_TOKEN"
end

id = "550e8400-e29b-41d4-a716-446655440000"
Helo::Domains.retrieve(id)

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "createdAt": "2023-11-07T05:31:56Z",
  "name": "<string>",
  "verified": true,
  "dnsRecords": {
    "domainKeyActive": {
      "host": "<string>",
      "value": "<string>"
    },
    "domainKeyPending": {
      "host": "<string>",
      "value": "<string>"
    },
    "returnPath": [
      {
        "host": "<string>",
        "value": "<string>"
      }
    ],
    "tracking": {
      "host": "<string>",
      "value": "<string>"
    },
    "unsubscribe": {
      "host": "<string>",
      "value": "<string>"
    }
  },
  "channels": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "deleted": true
    }
  ]
}