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---
title: "Hurricane Electric DNS"
date: 2019-03-03T16:39:46+01:00
draft: false
slug: hurricane
dnsprovider:
since: "v4.3.0"
code: "hurricane"
url: "https://dns.he.net/"
---
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Configuration for [Hurricane Electric DNS](https://dns.he.net/).
<!--more-->
- Code: `hurricane`
- Since: v4.3.0
Here is an example bash command using the Hurricane Electric DNS provider:
```bash
HURRICANE_TOKENS=example.org:token \
lego --email you@example.com --dns hurricane --domains example.org --domains '*.example.org run'
HURRICANE_TOKENS=my.example.org:token1,demo.example.org:token2 \
lego --email you@example.com --dns hurricane --domains my.example.org --domains demo.example.org
```
## Credentials
| Environment Variable Name | Description |
|-----------------------|-------------|
| `HURRICANE_TOKENS` | TXT record names and tokens |
The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
More information [here]({{< ref "dns#configuration-and-credentials" >}}).
Before using lego to request a certificate for a given domain or wildcard (such as `my.example.org` or `*.my.example.org`),
create a TXT record named `_acme-challenge.my.example.org`, and enable dynamic updates on it.
Generate a token for each URL with Hurricane Electric's UI, and copy it down.
Stick to alphanumeric tokens for greatest reliability.
To authenticate with the Hurricane Electric API,
add each record name/token pair you want to update to the `HURRICANE_TOKENS` environment variable, as shown in the examples.
Record names (without the `_acme-challenge.` component) and their tokens are separated with colons,
while the credential pairs are concatenated into a comma-separated list, like so:
```
HURRICANE_TOKENS=my.example.org:token1,demo.example.org:token2
```
If you are issuing both a wildcard certificate and a standard certificate for a given subdomain,
you should not have repeat entries for that name, as both will use the same credential.
```
HURRICANE_TOKENS=example.org:token
```
## More information
- [API documentation](https://dns.he.net/)
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