diff --git a/src/components/board-offline-alert/board-offline-alert.tsx b/src/components/board-offline-alert/board-offline-alert.tsx
new file mode 100644
index 00000000..3f2480d8
--- /dev/null
+++ b/src/components/board-offline-alert/board-offline-alert.tsx
@@ -0,0 +1,67 @@
+import { useMemo } from 'react';
+import useSubplebbitsStore from '@bitsocialhq/bitsocial-react-hooks/dist/stores/subplebbits';
+import { normalizeBoardAddress, useDirectoryByAddress } from '../../hooks/use-directories';
+import useIsSubplebbitOffline from '../../hooks/use-is-subplebbit-offline';
+import { useResolvedSubplebbitAddress } from '../../hooks/use-resolved-subplebbit-address';
+
+const BOARD_ALIAS_SUFFIXES = ['.bso', '.eth'] as const;
+
+const getBoardAddressCandidates = (addresses: Array<string | undefined>) => {
+  const uniqueCandidates = new Set<string>();
+
+  const addCandidate = (candidate: string | undefined) => {
+    if (candidate) {
+      uniqueCandidates.add(candidate);
+    }
+  };
+
+  addresses.forEach((address) => {
+    if (!address) {
+      return;
+    }
+
+    addCandidate(address);
+
+    const normalizedAddress = normalizeBoardAddress(address);
+    addCandidate(normalizedAddress);
+    BOARD_ALIAS_SUFFIXES.forEach((suffix) => addCandidate(`${normalizedAddress}${suffix}`));
+  });
+
+  return Array.from(uniqueCandidates);
+};
+
+interface BoardOfflineAlertProps {
+  className: string;
+  hidden?: boolean;
+  subplebbitAddress?: string;
+}
+
+const BoardOfflineAlert = ({ className, hidden = false, subplebbitAddress }: BoardOfflineAlertProps) => {
+  const resolvedSubplebbitAddress = useResolvedSubplebbitAddress();
+  const directoryEntry = useDirectoryByAddress(resolvedSubplebbitAddress || subplebbitAddress);
+  const addressCandidates = useMemo(
+    () => getBoardAddressCandidates([resolvedSubplebbitAddress, directoryEntry?.address, subplebbitAddress]),
+    [directoryEntry?.address, resolvedSubplebbitAddress, subplebbitAddress],
+  );
+
+  // Probe common aliases first so loading/offline state stays consistent across route and post payload address formats.
+  const subplebbit = useSubplebbitsStore((state) => {
+    for (const candidate of addressCandidates) {
+      const matchedSubplebbit = state.subplebbits[candidate];
+      if (matchedSubplebbit) {
+        return matchedSubplebbit;
+      }
+    }
+
+    return undefined;
+  });
+  const { isOffline, isOnlineStatusLoading, offlineTitle } = useIsSubplebbitOffline(subplebbit);
+
+  if (hidden || (!isOffline && !isOnlineStatusLoading)) {
+    return null;
+  }
+
+  return <div className={className}>{offlineTitle}</div>;
+};
+
+export default BoardOfflineAlert;
diff --git a/src/components/post-form/__tests__/post-form.test.tsx b/src/components/post-form/__tests__/post-form.test.tsx
index fad7fd64..f0272946 100644
--- a/src/components/post-form/__tests__/post-form.test.tsx
+++ b/src/components/post-form/__tests__/post-form.test.tsx
@@ -82,6 +82,7 @@ vi.mock('../../../hooks/use-account-subplebbit-addresses', () => ({
 vi.mock('../../../hooks/use-directories', () => ({
   useDirectories: () => testState.directories,
   useDirectoryByAddress: (address: string | undefined) => testState.directories.find((entry) => entry.address === address),
+  normalizeBoardAddress: (address: string) => address.replace(/\.(bso|eth)$/, ''),
 }));
 
 vi.mock('../../../hooks/use-resolved-subplebbit-address', () => ({
diff --git a/src/components/post-form/post-form.tsx b/src/components/post-form/post-form.tsx
index 4becdb24..1e3007dc 100644
--- a/src/components/post-form/post-form.tsx
+++ b/src/components/post-form/post-form.tsx
@@ -3,7 +3,6 @@ import { useTranslation } from 'react-i18next';
 import { useLocation, useNavigate, useParams } from 'react-router-dom';
 import { Comment, setAccount, useAccount, useAccountComment, useEditedComment } from '@bitsocialhq/bitsocial-react-hooks';
 import getShortAddress from '../../lib/get-short-address';
-import useSubplebbitsStore from '@bitsocialhq/bitsocial-react-hooks/dist/stores/subplebbits';
 import useSubplebbitsPagesStore from '@bitsocialhq/bitsocial-react-hooks/dist/stores/subplebbits-pages';
 import { getLinkMediaInfo } from '../../lib/utils/media-utils';
 import { isValidURL } from '../../lib/utils/url-utils';
@@ -13,29 +12,16 @@ import { useDirectories, useDirectoryByAddress } from '../../hooks/use-directori
 import useIsMobile from '../../hooks/use-is-mobile';
 import { useResolvedSubplebbitAddress } from '../../hooks/use-resolved-subplebbit-address';
 import useFetchGifFirstFrame from '../../hooks/use-fetch-gif-first-frame';
-import useIsSubplebbitOffline from '../../hooks/use-is-subplebbit-offline';
 import usePublishPost from '../../hooks/use-publish-post';
 import usePublishReply from '../../hooks/use-publish-reply';
 import { useFileUpload } from '../../hooks/use-file-upload';
 import { getShowUploadControls, isWebRuntime } from '../../lib/media-hosting/show-upload-controls';
 import useMediaHostingStore from '../../stores/use-media-hosting-store';
+import BoardOfflineAlert from '../board-offline-alert/board-offline-alert';
 import styles from './post-form.module.css';
 import capitalize from 'lodash/capitalize';
 import debounce from 'lodash/debounce';
 
-// Separate component for offline alert to isolate rerenders from updatingState
-// Only this component will rerender when updatingState changes, not the whole PostForm
-const OfflineAlert = ({ subplebbitAddress }: { subplebbitAddress: string | undefined }) => {
-  const subplebbit = useSubplebbitsStore((state) => (subplebbitAddress ? state.subplebbits[subplebbitAddress] : undefined));
-  const { isOffline, isOnlineStatusLoading, offlineTitle } = useIsSubplebbitOffline(subplebbit);
-
-  if (!isOffline && !isOnlineStatusLoading) {
-    return null;
-  }
-
-  return <div className={styles.offlineBoard}>{offlineTitle}</div>;
-};
-
 export const LinkTypePreviewer = ({ link }: { link: string }) => {
   const { t } = useTranslation();
   const mediaInfo = getLinkMediaInfo(link);
@@ -539,7 +525,7 @@ const PostForm = () => {
   if (isMobile) {
     return (
       <div className={styles.postFormMobile}>
-        {shouldShowOfflineAlert && <OfflineAlert subplebbitAddress={subplebbitAddress} />}
+        {shouldShowOfflineAlert && <BoardOfflineAlert className={styles.offlineBoard} subplebbitAddress={subplebbitAddress} />}
         {isInModQueueView ? (
           <div className={styles.modQueueTitle}>{t('moderation_queue')}</div>
         ) : isThreadClosed ? (
@@ -563,7 +549,7 @@ const PostForm = () => {
 
   return (
     <div className={styles.postFormDesktop}>
-      {shouldShowOfflineAlert && <OfflineAlert subplebbitAddress={subplebbitAddress} />}
+      {shouldShowOfflineAlert && <BoardOfflineAlert className={styles.offlineBoard} subplebbitAddress={subplebbitAddress} />}
       {isInModQueueView ? (
         <div className={styles.modQueueTitle}>{t('moderation_queue')}</div>
       ) : isThreadClosed ? (
diff --git a/src/components/reply-modal/__tests__/reply-modal.test.tsx b/src/components/reply-modal/__tests__/reply-modal.test.tsx
index 5a0df9e9..7b2aa4ba 100644
--- a/src/components/reply-modal/__tests__/reply-modal.test.tsx
+++ b/src/components/reply-modal/__tests__/reply-modal.test.tsx
@@ -21,6 +21,7 @@ const testState = vi.hoisted(() => ({
   isMobile: false,
   isUploading: false,
   offlineTitle: '' as string | false,
+  offlineStates: {} as Record<string, { isOffline: boolean; isOnlineStatusLoading: boolean; offlineTitle: string | false }>,
   offlineStatusLoading: false,
   offlineWarningVisible: false,
   openEmpty: false,
@@ -30,6 +31,7 @@ const testState = vi.hoisted(() => ({
   quoteInsertSelectedText: '',
   replyIndex: undefined as number | undefined,
   resetPublishReplyOptionsMock: vi.fn(),
+  resolvedSubplebbitAddress: undefined as string | undefined,
   selectedText: 'selected text',
   setAccountMock: vi.fn(),
   setPublishReplyOptionsMock: vi.fn(),
@@ -77,11 +79,12 @@ vi.mock('@bitsocialhq/bitsocial-react-hooks/dist/stores/subplebbits', () => ({
 }));
 
 vi.mock('../../../hooks/use-is-subplebbit-offline', () => ({
-  default: () => ({
-    isOffline: testState.offlineWarningVisible,
-    isOnlineStatusLoading: testState.offlineStatusLoading,
-    offlineTitle: testState.offlineTitle,
-  }),
+  default: (subplebbit?: { address?: string }) =>
+    (subplebbit?.address ? testState.offlineStates[subplebbit.address] : undefined) || {
+      isOffline: testState.offlineWarningVisible,
+      isOnlineStatusLoading: testState.offlineStatusLoading,
+      offlineTitle: testState.offlineTitle,
+    },
 }));
 
 vi.mock('../../../stores/use-selected-text-store', () => ({
@@ -116,6 +119,11 @@ vi.mock('../../../stores/use-media-hosting-store', () => ({
 
 vi.mock('../../../hooks/use-directories', () => ({
   useDirectoryByAddress: (address: string) => testState.directoryByAddress[address],
+  normalizeBoardAddress: (address: string) => address.replace(/\.(bso|eth)$/, ''),
+}));
+
+vi.mock('../../../hooks/use-resolved-subplebbit-address', () => ({
+  useResolvedSubplebbitAddress: () => testState.resolvedSubplebbitAddress,
 }));
 
 vi.mock('../../../hooks/use-publish-reply', () => ({
@@ -185,7 +193,7 @@ const flushEffects = async (count = 4) => {
   }
 };
 
-const renderReplyModal = async (initialEntry = '/mu/thread/post-1') => {
+const renderReplyModal = async (initialEntry = '/mu/thread/post-1', subplebbitAddress = 'music-posting.eth') => {
   await act(async () => {
     root.render(
       createElement(
@@ -198,7 +206,7 @@ const renderReplyModal = async (initialEntry = '/mu/thread/post-1') => {
           postCid: 'post-cid',
           scrollY: 120,
           showReplyModal: true,
-          subplebbitAddress: 'music-posting.eth',
+          subplebbitAddress,
           threadNumber: 42,
         }),
       ),
@@ -243,6 +251,7 @@ describe('ReplyModal', () => {
     testState.isMobile = false;
     testState.isUploading = false;
     testState.offlineTitle = '';
+    testState.offlineStates = {};
     testState.offlineStatusLoading = false;
     testState.offlineWarningVisible = false;
     testState.openEmpty = false;
@@ -252,6 +261,7 @@ describe('ReplyModal', () => {
     testState.quoteInsertSelectedText = '';
     testState.replyIndex = undefined;
     testState.resetPublishReplyOptionsMock.mockReset();
+    testState.resolvedSubplebbitAddress = undefined;
     testState.selectedText = 'selected text';
     testState.setAccountMock.mockReset();
     testState.setPublishReplyOptionsMock.mockReset();
@@ -302,6 +312,29 @@ describe('ReplyModal', () => {
     expect(container.textContent).not.toContain('subplebbit_offline_info');
   });
 
+  it('prefers the resolved board entry when the modal prop address uses a different alias', async () => {
+    testState.offlineTitle = 'subplebbit_offline_info';
+    testState.offlineWarningVisible = true;
+    testState.resolvedSubplebbitAddress = 'music-posting.eth';
+    testState.subplebbits = {
+      'music-posting.eth': {
+        address: 'music-posting.eth',
+      },
+    };
+    testState.offlineStates = {
+      'music-posting.eth': {
+        isOffline: false,
+        isOnlineStatusLoading: false,
+        offlineTitle: '',
+      },
+    };
+
+    await renderReplyModal('/mu/thread/post-1', 'music-posting.bso');
+
+    expect(container.querySelector('[class*="offlineBoard"]')).toBeNull();
+    expect(container.textContent).not.toContain('subplebbit_offline_info');
+  });
+
   it('validates empty and invalid replies, then publishes once the payload is valid', async () => {
     testState.openEmpty = true;
     testState.selectedText = '';
diff --git a/src/components/reply-modal/reply-modal.tsx b/src/components/reply-modal/reply-modal.tsx
index 2ad976a6..4fcea831 100644
--- a/src/components/reply-modal/reply-modal.tsx
+++ b/src/components/reply-modal/reply-modal.tsx
@@ -2,18 +2,17 @@ import { useEffect, useRef, useState } from 'react';
 import { useLocation, useParams } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import { setAccount, useAccount } from '@bitsocialhq/bitsocial-react-hooks';
-import useSubplebbitsStore from '@bitsocialhq/bitsocial-react-hooks/dist/stores/subplebbits';
 import { isValidURL } from '../../lib/utils/url-utils';
-import { isAllView, isSubscriptionsView } from '../../lib/utils/view-utils';
+import { isAllView, isModView, isSubscriptionsView } from '../../lib/utils/view-utils';
 import useSelectedTextStore from '../../stores/use-selected-text-store';
 import useReplyModalStore from '../../stores/use-reply-modal-store';
 import { getShowUploadControls, isWebRuntime } from '../../lib/media-hosting/show-upload-controls';
 import useMediaHostingStore from '../../stores/use-media-hosting-store';
 import { useDirectoryByAddress } from '../../hooks/use-directories';
 import usePublishReply from '../../hooks/use-publish-reply';
-import useIsSubplebbitOffline from '../../hooks/use-is-subplebbit-offline';
 import useIsMobile from '../../hooks/use-is-mobile';
 import { useFileUpload } from '../../hooks/use-file-upload';
+import BoardOfflineAlert from '../board-offline-alert/board-offline-alert';
 import styles from './reply-modal.module.css';
 import capitalize from 'lodash/capitalize';
 import debounce from 'lodash/debounce';
@@ -31,22 +30,12 @@ interface ReplyModalProps {
   subplebbitAddress: string;
 }
 
-const ReplyModalOfflineAlert = ({ hidden, subplebbitAddress }: { hidden: boolean; subplebbitAddress: string }) => {
-  const subplebbit = useSubplebbitsStore((state) => state.subplebbits[subplebbitAddress]);
-  const { isOffline, isOnlineStatusLoading, offlineTitle } = useIsSubplebbitOffline(subplebbit);
-
-  if (hidden || (!isOffline && !isOnlineStatusLoading)) {
-    return null;
-  }
-
-  return <div className={styles.offlineBoard}>{offlineTitle}</div>;
-};
-
 const ReplyModal = ({ closeModal, showReplyModal, parentCid, parentNumber, threadNumber, postCid, scrollY, subplebbitAddress }: ReplyModalProps) => {
   const { t } = useTranslation();
   const location = useLocation();
   const params = useParams();
   const isInAllView = isAllView(location.pathname);
+  const isInModView = isModView(location.pathname);
   const isInSubscriptionsView = isSubscriptionsView(location.pathname, params);
   const directoryEntry = useDirectoryByAddress(subplebbitAddress);
   const showSpoilerForReply = directoryEntry?.features?.noSpoilerReplies !== true;
@@ -376,7 +365,7 @@ const ReplyModal = ({ closeModal, showReplyModal, parentCid, parentNumber, threa
           </button>
         </div>
         {lengthError ? <div className={styles.error}>{lengthError}</div> : error && <div className={styles.error}>{error}</div>}
-        <ReplyModalOfflineAlert hidden={isInAllView || isInSubscriptionsView} subplebbitAddress={subplebbitAddress} />
+        <BoardOfflineAlert className={styles.offlineBoard} hidden={isInAllView || isInSubscriptionsView || isInModView} subplebbitAddress={subplebbitAddress} />
       </div>
     </animated.div>
   );