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This document contains all the changes performed in DNS Manager 5.5.0.

Important Notes

Before Upgrade

Upgrade requires first the upgrade of the operating system to one of the supported versions:

  • Red Hat Enterprise Linux 8
  • AlmaLinux 8
  • Rocky Linux 8

The upgrade from CentOS 7 to AlmaLinux 8.6 is possible directly using the toolset released by AlmaLinux.


In order to install or upgrade to DNS Manager 5.5.0, download the installer on your server by executing the command below:

curl -o /etc/yum.repos.d/zen.repo

The installer is compatible with Red Hat Enterprise Linux 8, AlmaLinux 8 and Rocky Linux 8. DNS Manager 5.5.0 will not run on other Linux distributions.

Install the downloaded package:

dnf -y install dnsmanager-installer

Run the installer by executing the following command:


Limited Release Notes

The current release notes contain only the changes that in our opinion might affect existing DNS Manager customers.

Features Enhancement Resolved

DNS Manager 5.5.0 Release 2022.2

TypeDetailsSupport Zone Ticket IDJIRA Ticket ID

New operating system support:

  • Red Hat Enterprise Linux 8
  • AlmaLinux 8
  • Rocky Linux 8

Support for CentOS 6 and CentOS 7 has been removed.


Added support for CAA Records.-DNSM-6882, DNSM-6838

Added timezone settings per customer.-DNSM-6456

Add new password strength analyzing and enforcing mechanism.-DNSM-7007

Remote logs are deleted when the corresponding remote location address is removed from Remote Location list.-DNSM-6986

Improved the display of long records, the truncated text is displayed in popup.-DNSM-6827

Interface icons are now in SVG format.-DNSM-6816, DNSM-6842

Zones can be sorted now after DS (zone state) column. -DNSM-6945

Extend input fields in interface so long records are more visible and easy to maintain.-DNSM-7175

Major speed improvement in web management interface.-DNSM-6844

Improved standard firewall.-DNSM-6828

Updated core and dependencies.



Zones files with Windows line ending can be imported in web management interface.OSS-771203DNSM-6840

Fixed web management interface import of IP6.ARPA zones having records with capital letters.-DNSM-6936

Improved parsing on web management interface zone import. -DNSM-6930

Fixed CNAME record edit when hostname is IDN.-DNSM-6891

Fixed possible deadlock in Remote Location sync process.-DNSM-6958

Zones imported from Remote Location are now treated case insensitive, avoiding zone duplication. -DNSM-6947

The value of replacement from NAPTR records supports IDN.-DNSM-6974

Setup default permissions and limits for admin's customer account.-DNSM-6948

Fixed multiple client level options inconsistencies.-DNSM-6957

Name server for master zones is correctly displayed in zones list.-DNSM-6919

Text only emails do not contain HTML tags any more.-DNSM-6849

Fixed inconsistent display of DNS Server error messages in web management interface.


Master Zone IPs are correct imported from Remote Locations.-DNSM-6837

SPF rules accept underscore in domain name.EHB-544846DNSM-6830

Fixed errors received during upgrade process regarding libheif-devel package.HNN-920388DNSM-6808

Fixed session ID regeneration issue.-DNSM-6956

Fixed XSS vulnerabilities.-DNSM-6938

Fixed potentially vulnerable Jaxon operations.-DNSM-6884, DNSM-6847

Fixed sorting and pagination in template's records page.-DNSM-6879

Fixed time interval search in audit log page.-DNSM-6845

Improved language pack and interface usability.-DNSM-6993, DNSM-6998, DNSM-6975
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