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51 lines
1.9 KiB
Markdown
51 lines
1.9 KiB
Markdown
---
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layout: page
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title: "DNS IP"
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description: "Instructions on how to integrate a DNS IP sensor into Home Assistant."
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date: 2017-02-25 11:05
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sidebar: true
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comments: false
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sharing: true
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footer: true
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ha_category: Sensor
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ha_iot_class: "Cloud Polling"
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ha_release: "0.40"
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---
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The `dnsip` sensor will expose an IP address, fetched via DNS resolution, as its value. There are two operational modes:
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1. When you enable the sensor with minimal configuration, it will query [OpenDNS](https://www.opendns.com/)' nameserver with the hostname `myip.opendns.com`, which will resolve to your external/public IP address.
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2. If you specify a `hostname`, a regular DNS lookup will be performed, providing you the IP the hostname resolves to.
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You may also override the nameserver that is being used by setting the `resolver` parameter to any nameserver you like.
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To enable this sensor, add the following lines to your `configuration.yaml` file:
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```yaml
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# Example configuration.yaml entry
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sensor:
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- platform: dnsip
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```
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Configuration variables:
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- **hostname** (*Optional*): The hostname for which to perform the DNS query. Default: `myip.opendns.com` (special hostname that resolves to your public IP)
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- **resolver** (*Optional*): The DNS server to target the query at. Default: `208.67.222.222` (OpenDNS)
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- **ipv6** (*Optional*): Set this to `true` or `false` if IPv6 should be used. When resolving the public IP, this will be the IP of the machine HASS is running on.
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- **resolver_ipv6** (*Optional*): The IPv6 DNS server to target the query at. Default: `2620:0:ccc::2` (OpenDNS)
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- **scan_interval** (*Optional*): Defines number of seconds for polling interval. Default: `120` seconds.
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#### {% linkable_title Extended example %}
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```yaml
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# Example configuration.yaml entry
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sensor:
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# Own public IPv4 address
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- platform: dnsip
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# Resolve IP address of home-assistant.io via Google DNS
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- platform: dnsip
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hostname: home-assistant.io
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resolver: 8.8.8.8
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```
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