DNS: fix links to awesome-sysadmin (#3939)

The DNS section was split to Servers/Control Panels & Domain management subsections

README.md

@@ -752,7 +752,7 @@ _See also: [dbdb.io - Database of Databases](https://dbdb.io/)_
 
 [DNS](https://en.wikipedia.org/wiki/Domain_Name_System) servers and management tools.
 
-_See also: [awesome-sysadmin/DNS](https://github.com/awesome-foss/awesome-sysadmin#dns)_
+_See also: [awesome-sysadmin/DNS - Servers](https://github.com/awesome-foss/awesome-sysadmin#dns---servers), [awesome-sysadmin/DNS - Control Panels & Domain Management](https://github.com/awesome-foss/awesome-sysadmin#dns---control-panels--domain-management)_
 
 - [blocky](https://github.com/0xERR0R/blocky) - Fast and lightweight DNS proxy (like Pi-hole) as ad-blocker for local network with many features. `Apache-2.0` `Go`
 - [Maza ad blocking](https://maza-ad-blocking.andros.dev/) - Local ad blocker. Like Pi-hole but local and using your operating system. ([Source Code](https://github.com/tanrax/maza-ad-blocking)) `Apache-2.0` `Bash`