89 lines
11 KiB
Markdown
89 lines
11 KiB
Markdown
# Configuring your DNS server
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To set up Matrix on your domain, you'd need to do some DNS configuration.
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To use an identifier like `@<username>:<your-domain>`, you don't actually need
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to install anything on the actual `<your-domain>` server.
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You do, however need to instruct the Matrix network that Matrix services for `<your-domain>` are delegated
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over to `matrix.<your-domain>`.
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As we discuss in [Server Delegation](howto-server-delegation.md), there are 2 different ways to set up such delegation:
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- either by serving a `https://<your-domain>/.well-known/matrix/server` file (from the base domain!)
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- or by using a `_matrix._tcp` DNS SRV record (don't confuse this with the `_matrix-identity._tcp` SRV record described below)
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This playbook mostly discusses the well-known file method, because it's easier to manage with regard to certificates.
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If you decide to go with the alternative method ([Server Delegation via a DNS SRV record (advanced)](howto-server-delegation.md#server-delegation-via-a-dns-srv-record-advanced)), please be aware that the general flow that this playbook guides you through may not match what you need to do.
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## DNS settings for services enabled by default
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| Type | Host | Priority | Weight | Port | Target |
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| ----- | ---------------------------- | -------- | ------ | ---- | ---------------------- |
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| A | `matrix` | - | - | - | `matrix-server-IP` |
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| CNAME | `element` | - | - | - | `matrix.<your-domain>` |
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Be mindful as to how long it will take for the DNS records to propagate.
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If you are using Cloudflare DNS, make sure to disable the proxy and set all records to `DNS only`. Otherwise, fetching certificates will fail.
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## DNS settings for optional services/features
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| Used by component | Type | Host | Priority | Weight | Port | Target |
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| ----------------------------------------------------------------------------------------------------------------------- | ----- | ------------------------------ | -------- | ------ | ---- | --------------------------- |
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| [ma1sd](configuring-playbook-ma1sd.md) identity server | SRV | `_matrix-identity._tcp` | 10 | 0 | 443 | `matrix.<your-domain>` |
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| [Dimension](configuring-playbook-dimension.md) integration server | CNAME | `dimension` | - | - | - | `matrix.<your-domain>` |
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| [Jitsi](configuring-playbook-jitsi.md) video-conferencing platform | CNAME | `jitsi` | - | - | - | `matrix.<your-domain>` |
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| [Prometheus/Grafana](configuring-playbook-prometheus-grafana.md) monitoring system | CNAME | `stats` | - | - | - | `matrix.<your-domain>` |
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| [Go-NEB](configuring-playbook-bot-go-neb.md) bot | CNAME | `goneb` | - | - | - | `matrix.<your-domain>` |
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| [Sygnal](configuring-playbook-sygnal.md) push notification gateway | CNAME | `sygnal` | - | - | - | `matrix.<your-domain>` |
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| [ntfy](configuring-playbook-ntfy.md) push notifications server | CNAME | `ntfy` | - | - | - | `matrix.<your-domain>` |
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| [Hydrogen](configuring-playbook-client-hydrogen.md) web client | CNAME | `hydrogen` | - | - | - | `matrix.<your-domain>` |
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| [Cinny](configuring-playbook-client-cinny.md) web client | CNAME | `cinny` | - | - | - | `matrix.<your-domain>` |
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| [Buscarron](configuring-playbook-bot-buscarron.md) helpdesk bot | CNAME | `buscarron` | - | - | - | `matrix.<your-domain>` |
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| [Postmoogle](configuring-playbook-bot-postmoogle.md)/[Email2Matrix](configuring-playbook-email2matrix.md) email bridges | MX | `matrix` | 10 | 0 | - | `matrix.<your-domain>` |
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| [Postmoogle](configuring-playbook-bot-postmoogle.md) email bridge | TXT | `matrix` | - | - | - | `v=spf1 ip4:<your-ip> -all` |
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| [Postmoogle](configuring-playbook-bot-postmoogle.md) email bridge | TXT | `_dmarc.matrix` | - | - | - | `v=DMARC1; p=quarantine;` |
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| [Postmoogle](configuring-playbook-bot-postmoogle.md) email bridge | TXT | `postmoogle._domainkey.matrix` | - | - | - | get it from `!pm dkim` |
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## Subdomains setup
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As the table above illustrates, you need to create 2 subdomains (`matrix.<your-domain>` and `element.<your-domain>`) and point both of them to your new server's IP address (DNS `A` record or `CNAME` record is fine).
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The `element.<your-domain>` subdomain may be necessary, because this playbook installs the [Element](https://github.com/vector-im/element-web) web client for you.
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If you'd rather instruct the playbook not to install Element (`matrix_client_element_enabled: false` when [Configuring the playbook](configuring-playbook.md) later), feel free to skip the `element.<your-domain>` DNS record.
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The `dimension.<your-domain>` subdomain may be necessary, because this playbook could install the [Dimension integrations manager](http://dimension.t2bot.io/) for you. Dimension installation is disabled by default, because it's only possible to install it after the other Matrix services are working (see [Setting up Dimension](configuring-playbook-dimension.md) later). If you do not wish to set up Dimension, feel free to skip the `dimension.<your-domain>` DNS record.
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The `jitsi.<your-domain>` subdomain may be necessary, because this playbook could install the [Jitsi video-conferencing platform](https://jitsi.org/) for you. Jitsi installation is disabled by default, because it may be heavy and is not a core required component. To learn how to install it, see our [Jitsi](configuring-playbook-jitsi.md) guide. If you do not wish to set up Jitsi, feel free to skip the `jitsi.<your-domain>` DNS record.
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The `stats.<your-domain>` subdomain may be necessary, because this playbook could install [Grafana](https://grafana.com/) and setup performance metrics for you. Grafana installation is disabled by default, it is not a core required component. To learn how to install it, see our [metrics and graphs guide](configuring-playbook-prometheus-grafana.md). If you do not wish to set up Grafana, feel free to skip the `stats.<your-domain>` DNS record. It is possible to install Prometheus without installing Grafana, this would also not require the `stats.<your-domain>` subdomain.
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The `goneb.<your-domain>` subdomain may be necessary, because this playbook could install the [Go-NEB](https://github.com/matrix-org/go-neb) bot. The installation of Go-NEB is disabled by default, it is not a core required component. To learn how to install it, see our [configuring Go-NEB guide](configuring-playbook-bot-go-neb.md). If you do not wish to set up Go-NEB, feel free to skip the `goneb.<your-domain>` DNS record.
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The `sygnal.<your-domain>` subdomain may be necessary, because this playbook could install the [Sygnal](https://github.com/matrix-org/sygnal) push gateway. The installation of Sygnal is disabled by default, it is not a core required component. To learn how to install it, see our [configuring Sygnal guide](configuring-playbook-sygnal.md). If you do not wish to set up Sygnal (you probably don't, unless you're also developing/building your own Matrix apps), feel free to skip the `sygnal.<your-domain>` DNS record.
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The `ntfy.<your-domain>` subdomain may be necessary, because this playbook could install the [ntfy](https://ntfy.sh/) UnifiedPush-compatible push notifications server. The installation of ntfy is disabled by default, it is not a core required component. To learn how to install it, see our [configuring ntfy guide](configuring-playbook-ntfy.md). If you do not wish to set up ntfy, feel free to skip the `ntfy.<your-domain>` DNS record.
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The `hydrogen.<your-domain>` subdomain may be necessary, because this playbook could install the [Hydrogen](https://github.com/vector-im/hydrogen-web) web client. The installation of Hydrogen is disabled by default, it is not a core required component. To learn how to install it, see our [configuring Hydrogen guide](configuring-playbook-client-hydrogen.md). If you do not wish to set up Hydrogen, feel free to skip the `hydrogen.<your-domain>` DNS record.
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The `cinny.<your-domain>` subdomain may be necessary, because this playbook could install the [Cinny](https://github.com/ajbura/cinny) web client. The installation of cinny is disabled by default, it is not a core required component. To learn how to install it, see our [configuring cinny guide](configuring-playbook-client-cinny.md). If you do not wish to set up cinny, feel free to skip the `cinny.<your-domain>` DNS record.
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The `buscarron.<your-domain>` subdomain may be necessary, because this playbook could install the [buscarron](https://gitlab.com/etke.cc/buscarron) bot. The installation of buscarron is disabled by default, it is not a core required component. To learn how to install it, see our [configuring buscarron guide](configuring-playbook-bot-buscarron.md). If you do not wish to set up buscarron, feel free to skip the `buscarron.<your-domain>` DNS record.
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## `_matrix-identity._tcp` SRV record setup
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To make the [ma1sd](https://github.com/ma1uta/ma1sd) Identity Server (which this playbook may optionally install for you) enable its federation features, set up an SRV record that looks like this:
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- Name: `_matrix-identity._tcp` (use this text as-is)
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- Content: `10 0 443 matrix.<your-domain>` (replace `<your-domain>` with your own)
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This is an optional feature for the optionally-installed [ma1sd service](configuring-playbook-ma1sd.md). See [ma1sd's documentation](https://github.com/ma1uta/ma1sd/wiki/mxisd-and-your-privacy#choices-are-never-easy) for information on the privacy implications of setting up this SRV record.
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Note: This `_matrix-identity._tcp` SRV record for the identity server is different from the `_matrix._tcp` that can be used for Synapse delegation. See [howto-server-delegation.md](howto-server-delegation.md) for more information about delegation.
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When you're done with the DNS configuration and ready to proceed, continue with [Getting the playbook](getting-the-playbook.md).
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## `_dmarc`, `postmoogle._domainkey` TXT and `matrix` MX records setup
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To make the [postmoogle](configuring-playbook-bot-postmoogle.md) email bridge enable its email sending features, you need to configure
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SPF (TXT), DMARC (TXT), DKIM (TXT) and MX records
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