diff --git a/Floofbot/Services/RaidProtectionService.cs b/Floofbot/Services/RaidProtectionService.cs
index 8e8d37a..ab338ae 100644
--- a/Floofbot/Services/RaidProtectionService.cs
+++ b/Floofbot/Services/RaidProtectionService.cs
@@ -302,6 +302,16 @@ private bool CheckInviteLinks(SocketMessage msg, ulong guildId)
             }
             return false;
         }
+        private bool CheckFALinks(SocketMessage msg, ulong guildId) // filter out if not sfw domain but no muting
+        {
+            var regex = "(?<!sfw\\.)(furaffinity.net)";
+            if (Regex.IsMatch(msg.Content, regex))
+            {
+                msg.Channel.SendMessageAsync(msg.Author.Mention + " please use the sfw furaffinity domain (sfw.furaffinity.net) for all FA URLs!");
+                return true;
+            }
+            return false;
+        }
         private bool CheckEmojiSpam(SocketMessage msg, ulong guildId)
         {
             // check for repeated custom and normal emojis. 
@@ -422,9 +432,13 @@ public async Task<bool> CheckMessage(FloofDataContext _floofDb, SocketMessage ms
             bool userSpammedInviteLink = CheckInviteLinks(userMsg, guild.Id);
             // check for spammed emojis
             bool userSpammedEmojis = CheckEmojiSpam(userMsg, guild.Id);
+            // check for FA links without sfw domain
+            bool userWrongFALink = CheckFALinks(userMsg, guild.Id);
 
             if (spammedMentions)
                 return false; // user already banned
+            if (userWrongFALink)
+                return true; // user already informed to use sfw domain so finished
             if (filteredWord || userSpammedMessages || userSpammedLetters || userSpammedInviteLink || userSpammedEmojis)
             {
                 if (userPunishmentCount[guild.Id].ContainsKey(userMsg.Author.Id))