diff --git a/polkadot/docker/sentry-docker-compose.yml b/polkadot/docker/sentry-docker-compose.yml
index 18e7621fe7..af0510592d 100644
--- a/polkadot/docker/sentry-docker-compose.yml
+++ b/polkadot/docker/sentry-docker-compose.yml
@@ -47,7 +47,7 @@ services:
       - "--name"
       - "${VALIDATOR_NANE:-AlicesNode}"
       - "--reserved-nodes"
-      - "${VALIDATOR_RESERVED_NODES:-/dns4/sentry/tcp/30333/p2p/QmV7EhW6J6KgmNdr558RH1mPx2xGGznW7At4BhXzntRFsi}"
+      - "${VALIDATOR_RESERVED_NODES:-/dns/sentry/tcp/30333/p2p/QmV7EhW6J6KgmNdr558RH1mPx2xGGznW7At4BhXzntRFsi}"
       # Not only bind to localhost.
       - "--ws-external"
       - "--rpc-external"
@@ -90,7 +90,7 @@ services:
       - "--name"
       - "${SENTRY_NAME:-CharliesNode}"
       - "--bootnodes"
-      - "${SENTRY_BOOTNODES:-/dns4/validator-a/tcp/30333/p2p/QmRpheLN4JWdAnY7HGJfWFNbfkQCb6tFf4vvA6hgjMZKrR}"
+      - "${SENTRY_BOOTNODES:-/dns/validator-a/tcp/30333/p2p/QmRpheLN4JWdAnY7HGJfWFNbfkQCb6tFf4vvA6hgjMZKrR}"
       - "--no-telemetry"
       - "--rpc-cors"
       - "all"
diff --git a/polkadot/service/res/kusama.json b/polkadot/service/res/kusama.json
index 9b377ab392..64e14b9ec8 100644
--- a/polkadot/service/res/kusama.json
+++ b/polkadot/service/res/kusama.json
@@ -2,15 +2,15 @@
   "name": "Kusama",
   "id": "ksmcc3",
   "bootNodes": [
-    "/dns4/p2p.cc3-0.kusama.network/tcp/30100/p2p/12D3KooWDgtynm4S9M3m6ZZhXYu2RrWKdvkCSScc25xKDVSg1Sjd",
-    "/dns4/p2p.cc3-1.kusama.network/tcp/30100/p2p/12D3KooWNpGriWPmf621Lza9UWU9eLLBdCFaErf6d4HSK7Bcqnv4",
-    "/dns4/p2p.cc3-2.kusama.network/tcp/30100/p2p/12D3KooWLmLiB4AenmN2g2mHbhNXbUcNiGi99sAkSk1kAQedp8uE",
-    "/dns4/p2p.cc3-3.kusama.network/tcp/30100/p2p/12D3KooWEGHw84b4hfvXEfyq4XWEmWCbRGuHMHQMpby4BAtZ4xJf",
-    "/dns4/p2p.cc3-4.kusama.network/tcp/30100/p2p/12D3KooWF9KDPRMN8WpeyXhEeURZGP8Dmo7go1tDqi7hTYpxV9uW",
-    "/dns4/p2p.cc3-5.kusama.network/tcp/30100/p2p/12D3KooWDiwMeqzvgWNreS9sV1HW3pZv1PA7QGA7HUCo7FzN5gcA",
-    "/dns4/kusama-bootnode-0.paritytech.net/tcp/30333/p2p/QmTFUXWi98EADXdsUxvv7t9fhJG1XniRijahDXxdv1EbAW",
-    "/dns4/kusama-bootnode-0.paritytech.net/tcp/30334/ws/p2p/QmTFUXWi98EADXdsUxvv7t9fhJG1XniRijahDXxdv1EbAW",
-    "/dns4/kusama-bootnode-1.paritytech.net/tcp/30333/p2p/Qmf58BhdDSkHxGy1gX5YUuHCpdYYGACxQM3nGWa7xJa5an"
+    "/dns/p2p.cc3-0.kusama.network/tcp/30100/p2p/12D3KooWDgtynm4S9M3m6ZZhXYu2RrWKdvkCSScc25xKDVSg1Sjd",
+    "/dns/p2p.cc3-1.kusama.network/tcp/30100/p2p/12D3KooWNpGriWPmf621Lza9UWU9eLLBdCFaErf6d4HSK7Bcqnv4",
+    "/dns/p2p.cc3-2.kusama.network/tcp/30100/p2p/12D3KooWLmLiB4AenmN2g2mHbhNXbUcNiGi99sAkSk1kAQedp8uE",
+    "/dns/p2p.cc3-3.kusama.network/tcp/30100/p2p/12D3KooWEGHw84b4hfvXEfyq4XWEmWCbRGuHMHQMpby4BAtZ4xJf",
+    "/dns/p2p.cc3-4.kusama.network/tcp/30100/p2p/12D3KooWF9KDPRMN8WpeyXhEeURZGP8Dmo7go1tDqi7hTYpxV9uW",
+    "/dns/p2p.cc3-5.kusama.network/tcp/30100/p2p/12D3KooWDiwMeqzvgWNreS9sV1HW3pZv1PA7QGA7HUCo7FzN5gcA",
+    "/dns/kusama-bootnode-0.paritytech.net/tcp/30333/p2p/QmTFUXWi98EADXdsUxvv7t9fhJG1XniRijahDXxdv1EbAW",
+    "/dns/kusama-bootnode-0.paritytech.net/tcp/30334/ws/p2p/QmTFUXWi98EADXdsUxvv7t9fhJG1XniRijahDXxdv1EbAW",
+    "/dns/kusama-bootnode-1.paritytech.net/tcp/30333/p2p/Qmf58BhdDSkHxGy1gX5YUuHCpdYYGACxQM3nGWa7xJa5an"
   ],
   "telemetryEndpoints": [
     [
diff --git a/polkadot/service/res/polkadot.json b/polkadot/service/res/polkadot.json
index 07c26f2e78..90e3f529a8 100644
--- a/polkadot/service/res/polkadot.json
+++ b/polkadot/service/res/polkadot.json
@@ -3,14 +3,14 @@
   "id": "polkadot",
   "chainType": "Live",
   "bootNodes": [
-    "/dns4/p2p.cc1-0.polkadot.network/tcp/30100/p2p/12D3KooWEdsXX9657ppNqqrRuaCHFvuNemasgU5msLDwSJ6WqsKc",
-    "/dns4/p2p.cc1-1.polkadot.network/tcp/30100/p2p/12D3KooWAtx477KzC8LwqLjWWUG6WF4Gqp2eNXmeqAG98ehAMWYH",
-    "/dns4/p2p.cc1-2.polkadot.network/tcp/30100/p2p/12D3KooWAGCCPZbr9UWGXPtBosTZo91Hb5M3hU8v6xbKgnC5LVao",
-    "/dns4/p2p.cc1-3.polkadot.network/tcp/30100/p2p/12D3KooWJ4eyPowiVcPU46pXuE2cDsiAmuBKXnFcFPapm4xKFdMJ",
-    "/dns4/p2p.cc1-4.polkadot.network/tcp/30100/p2p/12D3KooWNMUcqwSj38oEq1zHeGnWKmMvrCFnpMftw7JzjAtRj2rU",
-    "/dns4/p2p.cc1-5.polkadot.network/tcp/30100/p2p/12D3KooWDs6LnpmWDWgZyGtcLVr3E75CoBxzg1YZUPL5Bb1zz6fM",
-    "/dns4/cc1-0.parity.tech/tcp/30333/p2p/12D3KooWSz8r2WyCdsfWHgPyvD8GKQdJ1UAiRmrcrs8sQB3fe2KU",
-    "/dns4/cc1-1.parity.tech/tcp/30333/p2p/12D3KooWFN2mhgpkJsDBuNuE5427AcDrsib8EoqGMZmkxWwx3Md4"
+    "/dns/p2p.cc1-0.polkadot.network/tcp/30100/p2p/12D3KooWEdsXX9657ppNqqrRuaCHFvuNemasgU5msLDwSJ6WqsKc",
+    "/dns/p2p.cc1-1.polkadot.network/tcp/30100/p2p/12D3KooWAtx477KzC8LwqLjWWUG6WF4Gqp2eNXmeqAG98ehAMWYH",
+    "/dns/p2p.cc1-2.polkadot.network/tcp/30100/p2p/12D3KooWAGCCPZbr9UWGXPtBosTZo91Hb5M3hU8v6xbKgnC5LVao",
+    "/dns/p2p.cc1-3.polkadot.network/tcp/30100/p2p/12D3KooWJ4eyPowiVcPU46pXuE2cDsiAmuBKXnFcFPapm4xKFdMJ",
+    "/dns/p2p.cc1-4.polkadot.network/tcp/30100/p2p/12D3KooWNMUcqwSj38oEq1zHeGnWKmMvrCFnpMftw7JzjAtRj2rU",
+    "/dns/p2p.cc1-5.polkadot.network/tcp/30100/p2p/12D3KooWDs6LnpmWDWgZyGtcLVr3E75CoBxzg1YZUPL5Bb1zz6fM",
+    "/dns/cc1-0.parity.tech/tcp/30333/p2p/12D3KooWSz8r2WyCdsfWHgPyvD8GKQdJ1UAiRmrcrs8sQB3fe2KU",
+    "/dns/cc1-1.parity.tech/tcp/30333/p2p/12D3KooWFN2mhgpkJsDBuNuE5427AcDrsib8EoqGMZmkxWwx3Md4"
   ],
   "telemetryEndpoints": [
     [