public void
delete(Name name, int type, Tokenizer tokenizer) throws IOException {
	newUpdate(Record.fromString(name, type, DClass.NONE, 0, tokenizer,
				    origin));
}
Parses a record from the tokenizer, and indicates that the record
should be deleted from the zone.
@throws IOException The record could not be parsed.
src/main/java/core/org/xbill/DNS/Update.java