diff --git a/FAQ.md b/FAQ.md
index 0aa0bb1..50ec4a3 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -741,6 +741,10 @@ C:\Windows\system32>curl -X POST https://rustdesk.com/api/lic/license/check -H "
 curl: (60) schannel: SEC_E_UNTRUSTED_ROOT (0x80090325) - The certificate chain was issued by an authority that is not trusted.
 ```
 
+- Case 5:
+
+It was tailscale needing reauthentication on the debian VPS.  Because it's 100.100.100.100 magic dns was first in the dns list it kept failing before it tried the regular dns.  Disabled the need to reauthenticate that node and problem solved.  
+
 # Hide connection popup (cm) and hide tray
 
 https://github.com/rustdesk/rustdesk/discussions/6008#discussioncomment-7268951