Home / Servers / Hetzner Cloud API / change_server_dns_ptr

Change reverse DNS entry for this Server

An MCP tool from the Hetzner Cloud API server, hosted on mcp.hjlabs.in.

Change reverse DNS entry for this Server Changes the hostname that will appear when getting the hostname belonging to the primary IPs (IPv4 and IPv6) of this Server. Floating IPs assigned to the Server are not affected by this. [POST /servers/{id}/actions/change_dns_ptr]

Name on the gateway: hetzner_api__change_server_dns_ptr · may change things.

Parameters

NameTypeDescription
id requiredintegerID of the Server.
ip requiredstringSingle IPv4 or IPv6 address to create pointer for.
dns_ptr requiredstringDomain Name to point to. PTR record content used for reverse DNS. Set to null…

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "hetzner_api__change_server_dns_ptr",
  "arguments": {
    "id": 0,
    "ip": "…",
    "dns_ptr": "…"
  }
}

Or connect the Hetzner Cloud API server directly, which lists 178 tools including this one:

Run in your terminal
claude mcp add --transport http hj-hetzner-api https://mcp.hjlabs.in/mcp/hetzner-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the change reverse dns entry for this server tool with id set to ….

More from Hetzner Cloud API