{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SenderDomain",
  "type": "object",
  "description": "Information about a configured sender domain.",
  "properties": {
    "domain": {
      "type": "string",
      "description": "The domain name."
    },
    "created_at": {
      "type": "string",
      "description": "When the domain was added."
    },
    "last_tested_at": {
      "type": "string",
      "description": "When the domain settings were last tested."
    },
    "spf": {
      "type": "object",
      "description": "SPF verification details."
    },
    "dkim": {
      "type": "object",
      "description": "DKIM verification details."
    },
    "verified_at": {
      "type": "string",
      "description": "When the domain ownership was verified."
    },
    "valid_signing": {
      "type": "boolean",
      "description": "Whether the domain can be used for DKIM signing."
    }
  }
}