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smartdns/en/docs/config/block-ipv6.md
2023-03-26 02:02:54 +08:00

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# Disable IPV6
Currently, IPV6 has entered thousands of households. However, in some cases, IPV6 addresses need to be disabled. Smartdns supports the following ways to disable IPV6 addresses.
1. Method 1: Completely Disable IPV6
```shell
force-AAAA-SOA yes
```
1. Method 2: Disable IPV6 of Specific Domain Name
```shell
address /example.com/#6
```
## Disable Other Query Requests
Smartdns supports disabling other query requests, and the corresponding parameter is `force-qtype-SOA`.
```shell
force-qtype-SOA 28
```
After force-qtype-SOA parameter is the type of DNS. The specific types can be queried from the IANA Explanation.
## Additional Notes
Smartdns has the ability to automatically detect IPV6 environment. If the network environment does not support IPV6, the IPV6-related optimization functions will be automatically disabled.