code: public static Record
  fromString(Name name, int type, int dclass, long ttl, String s, Name origin)
  throws IOException
  {
  	return fromString(name, type, dclass, ttl, new Tokenizer(s), origin);
  }
docs: Builds a new Record from its textual representation
  @param name The owner name of the record.
  @param type The record's type.
  @param dclass The record's class.
  @param ttl The record's time to live.
  @param s The textual representation of the rdata.
  @param origin The default origin to be appended to relative domain names.
  @return The new record
  @throws IOException The text format was invalid.