diff --git a/node/service/chain-specs/kusama.json b/node/service/chain-specs/kusama.json
index 581f40aff4d6..b7fe4c293f8b 100644
--- a/node/service/chain-specs/kusama.json
+++ b/node/service/chain-specs/kusama.json
@@ -19,7 +19,7 @@
     "/dns/kusama-bootnode-0.paritytech.net/tcp/30333/p2p/12D3KooWSueCPH3puP2PcvqPJdNaDNF3jMZjtJtDiSy35pWrbt5h",
     "/dns/kusama-bootnode-0.paritytech.net/tcp/30334/ws/p2p/12D3KooWSueCPH3puP2PcvqPJdNaDNF3jMZjtJtDiSy35pWrbt5h",
     "/dns/kusama-bootnode-1.paritytech.net/tcp/30333/p2p/12D3KooWQKqane1SqWJNWMQkbia9qiMWXkcHtAdfW5eVF8hbwEDw",
-    "/dns/kusama-bootnode.dwellir.com/tcp/30333/ws/p2p/12D3KooWFj2ndawdYyk2spc42Y2arYwb2TUoHLHFAsKuHRzWXwoJ",
+    "/dns/kusama-boot.dwellir.com/tcp/443/wss/p2p/12D3KooWFj2ndawdYyk2spc42Y2arYwb2TUoHLHFAsKuHRzWXwoJ",
     "/dns/boot.stake.plus/tcp/31333/p2p/12D3KooWLa1UyG5xLPds2GbiRBCTJjpsVwRWHWN7Dff14yiNJRpR",
     "/dns/boot.stake.plus/tcp/31334/wss/p2p/12D3KooWLa1UyG5xLPds2GbiRBCTJjpsVwRWHWN7Dff14yiNJRpR",
     "/dns/boot-node.helikon.io/tcp/7060/p2p/12D3KooWL4KPqfAsPE2aY1g5Zo1CxsDwcdJ7mmAghK7cg6M2fdbD",
diff --git a/node/service/chain-specs/polkadot.json b/node/service/chain-specs/polkadot.json
index 8fc8ac63ba32..9b9a19193dac 100644
--- a/node/service/chain-specs/polkadot.json
+++ b/node/service/chain-specs/polkadot.json
@@ -19,7 +19,7 @@
     "/dns/p2p.5.polkadot.network/tcp/30333/p2p/12D3KooWSRjL9LcEQd5u2fQTbyLxTEHq1tUFgQ6amXSp8Eu7TfKP",
     "/dns/cc1-0.parity.tech/tcp/30333/p2p/12D3KooWSz8r2WyCdsfWHgPyvD8GKQdJ1UAiRmrcrs8sQB3fe2KU",
     "/dns/cc1-1.parity.tech/tcp/30333/p2p/12D3KooWFN2mhgpkJsDBuNuE5427AcDrsib8EoqGMZmkxWwx3Md4",
-    "/dns/polkadot-bootnode.dwellir.com/tcp/30333/ws/p2p/12D3KooWKvdDyRKqUfSAaUCbYiLwKY8uK3wDWpCuy2FiDLbkPTDJ",
+    "/dns/polkadot-boot.dwellir.com/tcp/443/wss/p2p/12D3KooWKvdDyRKqUfSAaUCbYiLwKY8uK3wDWpCuy2FiDLbkPTDJ",
     "/dns/boot.stake.plus/tcp/30333/p2p/12D3KooWKT4ZHNxXH4icMjdrv7EwWBkfbz5duxE5sdJKKeWFYi5n",
     "/dns/boot.stake.plus/tcp/30334/wss/p2p/12D3KooWKT4ZHNxXH4icMjdrv7EwWBkfbz5duxE5sdJKKeWFYi5n",
     "/dns/boot-node.helikon.io/tcp/7070/p2p/12D3KooWS9ZcvRxyzrSf6p63QfTCWs12nLoNKhGux865crgxVA4H",