I am a System Administrator with over 10 years of experience in the IT industry, specializing in IT infrastructure, system administration, network security, virtualization, backup, and technical troubleshooting.
I have hands-on experience managing enterprise IT environments, including Microsoft Windows Server, Active Directory, DNS, DHCP, Group Policy, Microsoft Exchange Server, and Exchange Hybrid environments. I also manage virtualization platforms such as VMware vCenter/ESXi and Microsoft Hyper-V, covering VM administration, resource monitoring, maintenance, and troubleshooting.
For backup and business continuity, I have experience with Veeam Backup & Replication and Veeam ONE, including backup monitoring, verification, retention, and troubleshooting.
My networking and security expertise includes FortiGate and Palo Alto Firewalls, as well as Aruba networking equipment. I am experienced in VLANs, routing, NAT, VPN, firewall policies, port forwarding, DHCP, network segmentation, and network troubleshooting.
I also utilise PowerShell scripting and automation to improve operational efficiency and reduce repetitive tasks. My approach emphasizes systematic troubleshooting, root-cause analysis, security, documentation, and continuous improvement.
My professional focus is to continuously strengthen my expertise in IT Infrastructure, Cybersecurity, Virtualization, Backup & Disaster Recovery, Microsoft Technologies, and IT Automation while delivering secure, reliable, and efficient technology solutions.
How to troubleshooting DNS Delegation is Broken
In my scenario, when I run dcdiag /test:dns, I receive an error stating, ‘DNS Delegation for alknetwork.com.my is broken on IP x.x.x.x.’
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