DfsReferralDataInternal dr = null;
        long now = System.currentTimeMillis();
        synchronized ( this.domainsLock ) {
            /*
             * domains that can contain DFS points to maps of roots for each
             */
            Map<String, Map<String, CacheEntry<DfsReferralDataInternal>>> domains = getTrustedDomains(tf);
            if ( domains != null ) {
                if ( log.isTraceEnabled() ) {