// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;

interface IDNSZoneResolver {
    // DNSZonehashChanged is emitted whenever a given node's zone hash is updated.
    event DNSZonehashChanged(
        bytes32 indexed node,
        bytes lastzonehash,
        bytes zonehash
    );

    /// zonehash obtains the hash for the zone.
    /// @param node The ENS node to query.
    /// @return The associated contenthash.
    function zonehash(bytes32 node) external view returns (bytes memory);
}