Applies to ONTAP 9 Answer Yes. It is required to ensure that DCs or LDAP servers have a single and correct PTR record on DNS servers when LDAP servers require securing sessions with LDAP signing or se...Applies to ONTAP 9 Answer Yes. It is required to ensure that DCs or LDAP servers have a single and correct PTR record on DNS servers when LDAP servers require securing sessions with LDAP signing or sealing Additional Information LDAP Overview How to set ONTAP to use LDAP Signing or Sealing for CIFS/NFS