diff --git a/dnsapi2.md b/dnsapi2.md
index 6686cf7..6ab3a1f 100644
--- a/dnsapi2.md
+++ b/dnsapi2.md
@@ -108,6 +108,7 @@
 - [184. Use EfficienIP DNS API](#dns_efficientip)
 - [185. Use WEXBO DNS API](#dns_wexbo)
 - [186. Use Wärner Technologie Services DNS-API](#dns_wts)
+- [187. Use Link11 Secure DNS DNS-API](#dns_link11)
 - [Use custom API](#dns_myapi)
 - [Use lexicon DNS API](#dns_lexicon)
 
@@ -2763,6 +2764,24 @@ To issue a cert, run command:
 
 Report any bugs or issues [here](https://github.com/acmesh-official/acme.sh/issues/4419)
 
+<a name="dns_link11"/>
+
+## 187. Use Link11 Secure DNS DNS-API
+
+Login to your [Link11](https://webgui.link11.com/) Account, follow the [instructions](https://docs.link11.com/product-guides/secure-dns/interface/api-access) to create an API Key.
+
+```sh
+export LINK11_API_KEY="your_api_key"
+```
+
+To issue a cert, run command:
+
+```sh
+./acme.sh --issue --dns dns_link11 -d example.com -d *.example.com
+```
+
+Report any bugs or issues [here](https://github.com/acmesh-official/acme.sh/issues/6375)
+
 <a name="dns_myapi"/>
 
 ## Use custom API