matrix-docker-ansible-deploy/docs/configuring-dns.md

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# Configuring your DNS server
To set up Matrix on your domain, you'd need to do some DNS configuration.
To use an identifier like `@<username>:<your-domain>`, you don't actually need
to install anything on the actual `<your-domain>` server.
All services created by this playbook are meant to be installed on their own server (such as `matrix.<your-domain>`).
To accomplish such a "redirect", you need to instruct the Matrix network of this by setting up a DNS SRV record.
The SRV record should look like this:
- Name: `_matrix._tcp` (use this text as-is)
- Content: `10 0 8448 matrix.<your-domain>` (replace `<your-domain>` with your own)
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To make the [mxisd](https://github.com/kamax-io/mxisd) Identity Server (which this playbook installs for you) be authoritative for your domain name, set up one more SRV record that looks like this:
- Name: `_matrix-identity._tcp` (use this text as-is)
- Content: `10 0 443 matrix.<your-domain>` (replace `<your-domain>` with your own)
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Once you've set up these DNS SRV records, you should create 2 other domain names (`matrix.<your-domain>` and `riot.<your-domain>`) and point both of them to your new server's IP address (DNS `A` record or `CNAME` is fine).
This playbook can then install all the services on that new server and you'll be able to join the Matrix network as `@<username>:<your-domain>`.
| Type | Host | Priority | Weight | Port | Target |
| ----- | ----------------------- | -------- | ------ | ---- | ---------------------- |
| SRV | `_matrix._tcp` | 10 | 0 | 8448 | `matrix.<your-domain>` |
| SRV | `_matrix-identity._tcp` | 10 | 0 | 443 | `matrix.<your-domain>` |
| A | `matrix` | - | - | - | `server-IP` |
| CNAME | `riot` | - | - | - | `matrix.<your-domain>` |
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When ready to proceed, continue with [Configuring this Ansible playbook](configuring-playbook.md).