diff --git a/doc/infra.txt b/doc/infra.txt
index dfb13eda7b..bf2f0487f3 100644
--- a/doc/infra.txt
+++ b/doc/infra.txt
@@ -9,7 +9,9 @@ ffmpeg trademark registered in france by ffmpeg creator.
 Domain + NS:
 ~~~~~~~~~~~~
 ffmpeg.org domain name
-avcodec.org domain name server
+ns1.avcodec.org Primary Name server (bulgaria)
+ns2.avcodec.org Replica Name server (hungary)
+ns3.avcodec.org Replica Name server (italy)
 
 
 Servers: