Method absent

src/main/java/core/org/xbill/DNS/Update.java:115–118

Inserts a prerequisite that the specified name does not exist; that is, there are no records with the given name in the zone.

(Name name)

 * there are no records with the given name in the zone.
 */
public void
absent(Name name) {
	newPrereq(Record.newRecord(name, Type.ANY, DClass.NONE, 0));
}

/**
 * Inserts a prerequisite that the specified rrset does not exist; that is,