diff --git a/package.json b/package.json
index e5f52b1..50a25ae 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
         "@ensdomains/eth-ens-namehash": "^2.0.15",
         "@openzeppelin/contracts": "^4.9.0",
         "@openzeppelin/upgrades-core": "^1.26.2",
+        "base58-solidity": "^1.0.2",
         "content-hash": "^2.5.2",
         "js-sha3": "^0.8.0",
         "ts-node": "^10.9.1",
diff --git a/test/UpdateENSDataProposal.t.sol b/test/UpdateENSDataProposal.t.sol
index ceb4e20..e95b356 100644
--- a/test/UpdateENSDataProposal.t.sol
+++ b/test/UpdateENSDataProposal.t.sol
@@ -8,6 +8,8 @@ import { console2 } from "@forge-std/console2.sol";
 import { IENSResolver } from "@interfaces/IENSResolver.sol";
 import { IENSRegistry } from "@interfaces/IENSRegistry.sol";
 
+import "node_modules/base58-solidity/contracts/Base58.sol";
+
 import { ENSNamehash } from "./ENSNamehash.sol";
 
 contract TestExampleProposal is ProposalUtils {
@@ -25,13 +27,79 @@ contract TestExampleProposal is ProposalUtils {
         return ENSNamehash.namehash(bytes(domain));
     }
 
+    function calculateIpfsContenthash(string memory ipfsCid) internal pure returns (bytes memory) {
+        if (bytes(ipfsCid).length == 0) return bytes("");
+        return bytes.concat(hex"e3010170", Base58.decodeFromString(ipfsCid));
+    }
+
     function createAndExecuteProposal() public {
         address proposalAddress = address(new UpdateENSDataProposal());
 
         proposeAndExecute(proposalAddress);
     }
 
-    function test() public {
-        createAndExecuteProposal();
+    struct DomainInfo {
+        string ensName;
+        string ipfsCid;
+    }
+
+    DomainInfo[] subdomains = [
+        DomainInfo("minified.sources.tornadocash.eth", ""), // Minified domain itself don't have IPFS contenthash
+        DomainInfo("packages.sources.tornadocash.eth", ""), // Packages domain also, it is just a root domain for npm packages
+        DomainInfo("sources.tornadocash.eth", "QmX2RqM2g98EM1C7UWx2uW7Cz9ALQSCRkogDxEJDZbNH15"),
+        DomainInfo("download.sources.tornadocash.eth", "QmXrkrmZYvVCBtsZYdpsyhRcfNERYnrcTmjgLfgwWEn2XE"),
+        DomainInfo("classic-ui.sources.tornadocash.eth", "QmacsxDCzyUCsmG6W5Nz5arHPjNms5Bwc7QqfYM6utASWj"),
+        DomainInfo("nova.sources.tornadocash.eth", "QmaYVcnwab7eR8JStD11JwXUkiCLfBvth2eByMBSxWhfVP"),
+        DomainInfo("docs.sources.tornadocash.eth", "QmZC7e8KqB7fdyRFj3iu45i3sTABVsYVnmMzZ1bsn1VpMn"),
+        DomainInfo("relayers-ui.sources.tornadocash.eth", "QmT5vRziiwZKDZUkDX4BqxKvXmcz3W2tLtGkE9VrtdCQuu"),
+        DomainInfo("torn-token.sources.tornadocash.eth", "QmfRtPH3gRwTbbNEAfkvVNeGauBAcFHBzuET7JfmKvfFr1"),
+        DomainInfo("classic-relayer.sources.tornadocash.eth", "QmUTA3MABmeNU9RvJK1cQ7L28KRLFVA8ebaq7gotQXAKrg"),
+        DomainInfo("nova-relayer.sources.tornadocash.eth", "QmbsX9ScTxZ5Tqy1a8ecdQNacStiCDwFufUyCJ5HXrgMSj"),
+        DomainInfo("cli.sources.tornadocash.eth", "Qmc1XYtApEGsJpMfSjTAYQoYHakNyJcfJUtRFC3FBLD1AD"),
+        DomainInfo("info-page.sources.tornadocash.eth", "QmQwNEb8SdFkiPDMAk3ncktqbZCTGknVN3sH33LAMSaADB"),
+        DomainInfo("classic-ui.minified.sources.tornadocash.eth", "QmQGsukwaYhkKJ1bHW3rZJTc83Rh7xFogMMu8GMDRcbAt8"),
+        DomainInfo("nova.minified.sources.tornadocash.eth", "QmecystQd1aGDfWp93EndSpU8gGGYXgyAhfFEKXsZfPA2m"),
+        DomainInfo("cli.minified.sources.tornadocash.eth", "QmUFAL29scANSqvrVTejoRrpMzKpJJE6j4BKrKGyKNM5XH"),
+        DomainInfo("websnark.packages.sources.tornadocash.eth", "QmRqZ55oP7Vyq39cJrqLSAhiLEbhCLm6QTJKghhHHogKmQ"),
+        DomainInfo("circomlib.packages.sources.tornadocash.eth", "QmVDdK5YowqaMuQuAPwW2Hq4GSSNebVBfd3qsKUhvQZxVv"),
+        DomainInfo("snarkjs.packages.sources.tornadocash.eth", "QmdoqswophQXo5JrQQnbpWS5562eizT8vAK8XQDsHyKLs5"),
+        DomainInfo("oracles.packages.sources.tornadocash.eth", "QmYUM1Kx6ju5ZBu6TDdRfZZjG64fCNbyKxWySMsLprPQGY"),
+        DomainInfo("gas-price-oracle.packages.sources.tornadocash.eth", "QmW8zZ1Dv32j9HpjP3aExNJvxcshYoGTsjQaX8VZzRTXxx"),
+        DomainInfo("config.packages.sources.tornadocash.eth", "QmRPK6AqffoB721RfaWtRr1GjdpVN7x4g8ZcG27RqvLweR"),
+        DomainInfo("anonymity-mining.packages.sources.tornadocash.eth", "QmTfy4wGgYMKczEjtKNRZTEpnzfYyqtPhbc3fzJqwPSpzF"),
+        DomainInfo("trees.packages.sources.tornadocash.eth", "QmanV67Tzu7jLdeVXStjJ7iVVYMPAvnHhmxwsCSXALAtGK"),
+        DomainInfo("fixed-merkle-tree.packages.sources.tornadocash.eth", "QmUtj3m6y5sEw4Y7V7PnAS7pKp9gbJGJ2eGAMWnwXAPRP9"),
+        DomainInfo("tx-manager.packages.sources.tornadocash.eth", "QmYNvuaKH47QJuFairApChBvoRtbezvnWU12tPs8cHUZzA"),
+        DomainInfo("merkle-root-updater.packages.sources.tornadocash.eth", "QmTVin6iNu5Mp6YPo3jTpCNKdE5JdvM4r4tqXZJtac2UQ4")
+    ];
+
+    function testSubdomainsRegistered() public executeCurrentProposalBefore {
+        for (uint256 i = 0; i < subdomains.length; i++) {
+            bytes32 node = calculateDomainNode(subdomains[i].ensName);
+            bool isRegistered = ensRegistry.recordExists(node);
+
+            if (isRegistered) {
+                console2.log("Subdomain %s registered", subdomains[i].ensName);
+            } else {
+                console2.log("Subdomain %s isn't registered!", subdomains[i].ensName);
+            }
+            require(isRegistered, "subdomain not registered");
+        }
+    }
+
+    function testContenthashesOnSubdomainsAreCorrect() public executeCurrentProposalBefore {
+        for (uint256 i = 0; i < subdomains.length; i++) {
+            bytes32 node = calculateDomainNode(subdomains[i].ensName);
+            bytes memory desiredIpfsContenthash = calculateIpfsContenthash(subdomains[i].ipfsCid);
+            bytes memory realContenthash = ensResolver.contenthash(node);
+            assertEq(desiredIpfsContenthash, realContenthash, "contenthash is wrong");
+        }
+    }
+
+    function testOwnerOfAllSubdomainsIsGovernance() public executeCurrentProposalBefore {
+        for (uint256 i = 0; i < subdomains.length; i++) {
+            bytes32 node = calculateDomainNode(subdomains[i].ensName);
+            require(ensRegistry.owner(node) == governanceAddress, "owner is not governance");
+        }
     }
 }