export interface BlacklistResult { list: string; listed: boolean; response?: string; } declare const BLACKLISTS: { name: string; zone: string; }[]; export declare function resolveServerIp(hostname: string): Promise; export declare function checkBlacklist(ip: string, list: { name: string; zone: string; }): Promise; export declare function checkAllBlacklists(ip: string): Promise; export declare function getBlacklistCount(): number; export { BLACKLISTS };