--- a/dns.rst	Sun Jan 03 23:33:02 2021 +0200
+++ b/dns.rst	Sun Jan 03 23:34:28 2021 +0200
@@ -171,7 +171,7 @@
   $ named.reload
 
 Windows built-in DNS server
-===
+===========================
 
 Built-in DNS server respects ``hosts`` file located ``%WINDIR%\system32\drivers\etc\hosts``.
 
@@ -183,3 +183,7 @@
 
   ipconfig /flushdns
 
+Refreshes all DHCP leases and re-registers DNS names::
+
+  ipconfig /registerdns
+