diff --git a/FAQ.md b/FAQ.md
index 1da37a2..1cb003f 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -751,6 +751,8 @@ The final reason is related to the user's cloud provider.
 > It was a problem with our cloud provider.
 > It was not a DNS problem.
 > I believe it was something with international routes because Rustdesk site (currently hosted at address 45.76.181.120) was not the only host we couldn't reach from our server.
+>
+> If you're running with Docker, please confirm that `nslookup rustdesk.com` works on your host server. If it works on the host, restarting the Docker container will likely resolve the issue.
 
 User 2:
 > I forgot that on the host vlan there was geoblocking active on the firewall. I whitelisted the ip address and now it's working.