diff --git a/core/src/main/java/dev/felnull/itts/core/ITTSRuntime.java b/core/src/main/java/dev/felnull/itts/core/ITTSRuntime.java
index 16259b0..2142575 100644
--- a/core/src/main/java/dev/felnull/itts/core/ITTSRuntime.java
+++ b/core/src/main/java/dev/felnull/itts/core/ITTSRuntime.java
@@ -5,6 +5,7 @@
 import dev.felnull.itts.core.cache.CacheManager;
 import dev.felnull.itts.core.config.ConfigManager;
 import dev.felnull.itts.core.dict.DictionaryManager;
+import dev.felnull.itts.core.dict.DomainListManager;
 import dev.felnull.itts.core.discord.Bot;
 import dev.felnull.itts.core.savedata.SaveDataManager;
 import dev.felnull.itts.core.tts.TTSManager;
@@ -99,6 +100,11 @@ public class ITTSRuntime {
      */
     private final VoiceAudioManager voiceAudioManager = new VoiceAudioManager();
 
+    /**
+     * ドメイン名リストマネージャー
+     */
+    private final DomainListManager domainListManager = new DomainListManager();
+
     /**
      * 辞書マネージャー
      */
@@ -148,7 +154,7 @@ private ITTSRuntime(ITTSRuntimeContext runtimeContext) {
         this.configManager = new ConfigManager(runtimeContext.getConfigContext());
         this.cacheManager = new CacheManager(runtimeContext.getGlobalCacheAccessFactory());
 
-        this.managers = ImmutableList.of(configManager, voiceManager);
+        this.managers = ImmutableList.of(configManager, voiceManager, domainListManager);
     }
 
     /**
@@ -265,6 +271,9 @@ public DictionaryManager getDictionaryManager() {
         return dictionaryManager;
     }
 
+    public DomainListManager getDomainListManager() {
+        return domainListManager;
+    }
 
     public ITTSNetworkManager getNetworkManager() {
         return networkManager;
diff --git a/core/src/main/java/dev/felnull/itts/core/ITTSRuntimeUse.java b/core/src/main/java/dev/felnull/itts/core/ITTSRuntimeUse.java
index 8c7c8f3..28208bb 100644
--- a/core/src/main/java/dev/felnull/itts/core/ITTSRuntimeUse.java
+++ b/core/src/main/java/dev/felnull/itts/core/ITTSRuntimeUse.java
@@ -4,6 +4,7 @@
 import dev.felnull.itts.core.cache.CacheManager;
 import dev.felnull.itts.core.config.ConfigManager;
 import dev.felnull.itts.core.dict.DictionaryManager;
+import dev.felnull.itts.core.dict.DomainListManager;
 import dev.felnull.itts.core.discord.Bot;
 import dev.felnull.itts.core.tts.TTSManager;
 import dev.felnull.itts.core.voice.VoiceManager;
@@ -63,6 +64,10 @@ default DictionaryManager getDictionaryManager() {
         return getITTSRuntime().getDictionaryManager();
     }
 
+    default DomainListManager getDomainListManager() {
+        return getITTSRuntime().getDomainListManager();
+    }
+
     default VoiceManager getVoiceManager() {
         return getITTSRuntime().getVoiceManager();
     }
diff --git a/core/src/main/java/dev/felnull/itts/core/dict/AbbreviationDictionary.java b/core/src/main/java/dev/felnull/itts/core/dict/AbbreviationDictionary.java
index f6acf91..0cb467b 100644
--- a/core/src/main/java/dev/felnull/itts/core/dict/AbbreviationDictionary.java
+++ b/core/src/main/java/dev/felnull/itts/core/dict/AbbreviationDictionary.java
@@ -29,11 +29,11 @@ public class AbbreviationDictionary implements Dictionary {
                 Matcher matcher = pattern.matcher(s);
                 return matcher.find();
             })*/
-            .addOption(1, "ドメインショウリャク", s -> {
+            /*.addOption(1, "ドメインショウリャク", s -> {
                 Pattern pattern = Pattern.compile("^([a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]*\\.)+[a-zA-Z]{2,}$");
                 Matcher matcher = pattern.matcher(s);
                 return matcher.find();
-            })
+            })*/
             .addOption(1, "アイピーブイフォーショウリャク", s -> {
                 Pattern pattern = Pattern.compile("^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$");
                 Matcher matcher = pattern.matcher(s);
@@ -61,9 +61,15 @@ public class AbbreviationDictionary implements Dictionary {
      */
     private final URLReplacer urlReplacer = new URLReplacer("ユーアルエルショウリャク");
 
+    /**
+     * ドメインリプレーサー
+     */
+    private final DomainReplacer domainReplacer = new DomainReplacer("ドメインショウリャク");
+
     @Override
     public @NotNull String apply(@NotNull String text, long guildId) {
         text = urlReplacer.replace(text);
+        text = domainReplacer.replace(text);
         text = CODE_BLOCK_REGEX.matcher(text).replaceAll("コードブロックショウリャク");
         return regexUtil.replaceText(text);
     }
diff --git a/core/src/main/java/dev/felnull/itts/core/dict/DomainListManager.java b/core/src/main/java/dev/felnull/itts/core/dict/DomainListManager.java
new file mode 100644
index 0000000..63feaa2
--- /dev/null
+++ b/core/src/main/java/dev/felnull/itts/core/dict/DomainListManager.java
@@ -0,0 +1,64 @@
+package dev.felnull.itts.core.dict;
+
+import dev.felnull.itts.core.ITTSBaseManager;
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.concurrent.CompletableFuture;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * TLDリストマネージャー
+ **/
+
+public class DomainListManager implements ITTSBaseManager {
+
+    /**
+     *  取得先URL
+     */
+    private static final URI IANA_DATA_URI = URI.create("https://data.iana.org/TLD/tlds-alpha-by-domain.txt");
+
+    /**
+     * 読み込み済みTLDリスト
+     */
+    private Pattern domainPattern;
+
+    @Override
+    public @NotNull CompletableFuture<?> init() {
+        return CompletableFuture.runAsync(() -> {
+            try {
+                HttpClient hc = getNetworkManager().getHttpClient();
+                HttpRequest request = HttpRequest.newBuilder().uri(IANA_DATA_URI).GET().build();
+
+                HttpResponse<String> res = hc.send(request, HttpResponse.BodyHandlers.ofString());
+
+                String processedDomains = res.body().lines()
+                    .filter(line -> !line.startsWith("#"))
+                    .filter(list -> !list.isBlank())
+                    .map(String::trim)
+                    .map(String::toLowerCase)
+                    .map(Pattern::quote)
+                    .collect(Collectors.joining("|"));
+
+                String regex = "\\b[a-zA-Z0-9.-]+\\.(?i:" + processedDomains + ")\\b";
+                domainPattern = Pattern.compile(regex);
+            } catch (IOException | InterruptedException e) {
+                getITTSLogger().error("failed to get domain list.");
+            }
+        }, getAsyncExecutor());
+    }
+
+    /**
+     *  読み込み済みTLDゲッター
+     *
+     * @return ドメイン検知正規表現
+     */
+    public @Nullable Pattern getPattern() {
+        return domainPattern;
+    }
+}
diff --git a/core/src/main/java/dev/felnull/itts/core/dict/DomainReplacer.java b/core/src/main/java/dev/felnull/itts/core/dict/DomainReplacer.java
new file mode 100644
index 0000000..b8934a3
--- /dev/null
+++ b/core/src/main/java/dev/felnull/itts/core/dict/DomainReplacer.java
@@ -0,0 +1,39 @@
+package dev.felnull.itts.core.dict;
+
+import dev.felnull.itts.core.ITTSRuntimeUse;
+import java.util.regex.Pattern;
+
+/**
+ * ドメインを置き換える処理
+ */
+public class DomainReplacer implements ITTSRuntimeUse {
+
+    /**
+     * 置き換えるテキスト
+     */
+    private final String replacedText;
+
+    /**
+     * コンストラクタ
+     *
+     * @param replacedText 置き換えるテキスト
+     */
+    public DomainReplacer(String replacedText) {
+        this.replacedText = replacedText;
+    }
+
+    /**
+     * テキスト置き換え
+     *
+     * @param text テキスト
+     * @return 置き換えられたテキスト
+     */
+    public String replace(String text) {
+        Pattern domainPattern = getDomainListManager().getPattern();
+        if (domainPattern != null) {
+            return domainPattern.matcher(text).replaceAll(replacedText);
+        }
+
+        return text;
+    }
+}