{"command":{"effect":"write","timeoutSeconds":30,"inputSchema":{"type":"object","description":"**This endpoint allows you to set up reverse DNS.**","properties":{"headers":{"type":"object","properties":{"on-behalf-of":{"type":"string","description":"The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You will use the parent account's API key when using this header. When making a call on behalf of a customer account, the property value should be \"account-id\" followed by the customer account's ID (e.g., `on-behalf-of: account-id <account-id>`). When making a call on behalf of a Subuser, the property value should be the Subuser's username (e.g., `on-behalf-of: <subuser-username>`). See [**On Behalf Of**](https://docs.sendgrid.com/api-reference/how-to-use-the-sendgrid-v3-api/on-behalf-of) for more information."}},"required":[],"additionalProperties":false},"body":{"type":"object","properties":{"ip":{"type":"string","description":"The IP address for which you want to set up reverse DNS."},"subdomain":{"type":"string","description":"The subdomain that will be used to send emails from the IP address. This should be the same as the subdomain used to set up an authenticated domain."},"domain":{"type":"string","description":"The root, or sending, domain that will be used to send message from the IP address."}},"required":["ip","domain"],"examples":[{"ip":"192.168.1.1","subdomain":"email","domain":"example.com"}]}},"required":[],"additionalProperties":false},"name":"Set up reverse DNS","id":"sendgrid.reverse_dns.setupreversedns","example":{},"maxRequests":1,"summary":false}}