---
title: entryDN
description: An entry's distinguished name is not an attribute of the entry.
component: pingds
version: 7.4
page_id: pingds:schemaref:at-entryDN
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-entryDN.html
llms_txt: https://docs.pingidentity.com/pingds/llms.txt
docs_for_agents: https://developer.pingidentity.com/build-with-ai/docs-for-agents.md
superseded_by: https://docs.pingidentity.com/pingds/8.1/schemaref/at-entryDN.html
---

# entryDN

An entry's distinguished name is not an attribute of the entry.

This operational attribute makes it possible to perform attribute value assertions against the DN of the entry, enabling operations such as LDAP compare and LDAP search.

|                             |                                                                |
| --------------------------- | -------------------------------------------------------------- |
| *Single value*              | true                                                           |
| *Origin*                    | [RFC 5020](https://datatracker.ietf.org/doc/html/rfc5020)      |
| *Usage*                     | directoryOperation                                             |
| *Description*               | DN of the entry                                                |
| *OID*                       | 1.3.6.1.1.20                                                   |
| *User modification allowed* | false                                                          |
| *Schema file*               | 00-core.ldif                                                   |
| *Names*                     | entryDN                                                        |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html) |
| *Syntax*                    | [DN](s-DN.html)                                                |
| *Equality matching rule*    | [distinguishedNameMatch](mr-distinguishedNameMatch.html)       |