@@ -46,7 +46,7 @@ int res_query(const char *dname, int class, int type, unsigned char *answer, int

     rr = rrs;

     do {

-	if(rr->wType == (WORD)type && rr->Data.TXT.dwStringCount && rr->Data.TXT.pStringArray[0]) {

+	if(rr->wType == (WORD)type && rr->wDataLength > sizeof(DWORD) && rr->Data.TXT.dwStringCount && rr->Data.TXT.pStringArray[0]) {

 	    unsigned int len = strlen(dname), txtlen = strlen(rr->Data.TXT.pStringArray[0]);

 	    if(txtlen > 255) continue;

 	    len++;