diff --git a/packages/apps-config/src/endpoints/production.ts b/packages/apps-config/src/endpoints/production.ts
index 5dc0343f86..8a60ab8b93 100644
--- a/packages/apps-config/src/endpoints/production.ts
+++ b/packages/apps-config/src/endpoints/production.ts
@@ -48,8 +48,8 @@ export const prodChains: Omit<EndpointOption, 'teleport'>[] = [
   {
     info: 'aleph',
     providers: {
-      'Aleph Zero Foundation': 'wss://ws.azero.dev',
-      OnFinality: 'wss://aleph-zero.api.onfinality.io/public-ws'
+      'Aleph Zero Foundation': 'wss://ws.azero.dev'
+      // OnFinality: 'wss://aleph-zero.api.onfinality.io/public-ws' // https://github.com/polkadot-js/apps/issues/11965
     },
     text: 'Aleph Zero',
     ui: {
diff --git a/packages/apps-config/src/endpoints/productionRelayKusama.ts b/packages/apps-config/src/endpoints/productionRelayKusama.ts
index 0f04d9b022..878a7d4d01 100644
--- a/packages/apps-config/src/endpoints/productionRelayKusama.ts
+++ b/packages/apps-config/src/endpoints/productionRelayKusama.ts
@@ -133,9 +133,9 @@ export const prodParasKusama: Omit<EndpointOption, 'teleport'>[] = [
     info: 'crab',
     paraId: 2105,
     providers: {
-      Darwinia: 'wss://crab-rpc.darwinia.network/',
+      Darwinia: 'wss://crab-rpc.darwinia.network/'
       // Dcdao: 'wss://crab-rpc.dcdao.box', // https://github.com/polkadot-js/apps/issues/11232
-      Dwellir: 'wss://darwiniacrab-rpc.n.dwellir.com'
+      // Dwellir: 'wss://darwiniacrab-rpc.n.dwellir.com' // https://github.com/polkadot-js/apps/issues/11965
     },
     text: 'Crab',
     ui: {
diff --git a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
index fa4693fbe6..0213a707ab 100644
--- a/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
+++ b/packages/apps-config/src/endpoints/productionRelayPolkadot.ts
@@ -76,7 +76,7 @@ export const prodParasPolkadot: Omit<EndpointOption, 'teleport'>[] = [
     providers: {
       Astar: 'wss://rpc.astar.network',
       // 'Automata 1RPC': 'wss://1rpc.io/astr', // https://github.com/polkadot-js/apps/issues/11827
-      Blast: 'wss://astar.public.blastapi.io',
+      // Blast: 'wss://astar.public.blastapi.io', // https://github.com/polkadot-js/apps/issues/11965
       Dwellir: 'wss://astar-rpc.n.dwellir.com',
       OnFinality: 'wss://astar.api.onfinality.io/public-ws',
       RadiumBlock: 'wss://astar.public.curie.radiumblock.co/ws',
@@ -225,7 +225,7 @@ export const prodParasPolkadot: Omit<EndpointOption, 'teleport'>[] = [
     providers: {
       Darwinia: 'wss://rpc.darwinia.network',
       // Dcdao: 'wss://darwinia-rpc.dcdao.box', https://github.com/polkadot-js/apps/issues/11157
-      Dwellir: 'wss://darwinia-rpc.n.dwellir.com',
+      // Dwellir: 'wss://darwinia-rpc.n.dwellir.com', // https://github.com/polkadot-js/apps/issues/11965
       Subquery: 'wss://darwinia.rpc.subquery.network/public/ws'
     },
     text: 'Darwinia',
@@ -516,7 +516,7 @@ export const prodParasPolkadot: Omit<EndpointOption, 'teleport'>[] = [
     providers: {
       Allnodes: 'wss://moonbeam-rpc.publicnode.com',
       // 'Automata 1RPC': 'wss://1rpc.io/glmr', // https://github.com/polkadot-js/apps/issues/10566
-      Blast: 'wss://moonbeam.public.blastapi.io',
+      // Blast: 'wss://moonbeam.public.blastapi.io', // https://github.com/polkadot-js/apps/issues/11965
       // Dwellir: 'wss://moonbeam-rpc.n.dwellir.com', // https://github.com/polkadot-js/apps/issues/11935
       IBP1: 'wss://moonbeam.ibp.network',
       IBP2: 'wss://moonbeam.dotters.network',
@@ -578,7 +578,7 @@ export const prodParasPolkadot: Omit<EndpointOption, 'teleport'>[] = [
     info: 'nodle',
     paraId: 2026,
     providers: {
-      Dwellir: 'wss://nodle-rpc.dwellir.com',
+      // Dwellir: 'wss://nodle-rpc.dwellir.com', // https://github.com/polkadot-js/apps/issues/11965
       OnFinality: 'wss://nodle-parachain.api.onfinality.io/public-ws'
     },
     text: 'Nodle',
diff --git a/packages/apps-config/src/endpoints/testing.ts b/packages/apps-config/src/endpoints/testing.ts
index 3ca0499c09..3959afc832 100644
--- a/packages/apps-config/src/endpoints/testing.ts
+++ b/packages/apps-config/src/endpoints/testing.ts
@@ -839,7 +839,7 @@ export const testChains: Omit<EndpointOption, 'teleport'>[] = [
     info: 'sora-substrate',
     providers: {
       // 'Soramitsu #1': 'wss://ws.framenode-7.s4.stg1.sora2.soramitsu.co.jp', // https://github.com/polkadot-js/apps/issues/11935
-      'Soramitsu #2': 'wss://ws.framenode-8.s5.stg1.sora2.soramitsu.co.jp'
+      // 'Soramitsu #2': 'wss://ws.framenode-8.s5.stg1.sora2.soramitsu.co.jp' // https://github.com/polkadot-js/apps/issues/11965
     },
     text: 'SORA-staging',
     ui: {