Definitive DNS for engineers Training in Ireland

  • Delivery Method: Online Instructor-Led / Classroom Based / Onsite
  • Participation Model: Public Training / Private / In-House Training
  • Duration: 3 Days
  • Level: Fundamentals
  • Price: From €3,400 +TAX
  • Upcoming Date:

This three-day hands on DNS training course studies both the UNIX BIND and the Microsoft (MS DNS) implementations. The course starts with the big picture of how DNS works, then client configuration. Primary and secondary servers are then configured, progressing to DDNS, subdomains and security issues. Hands on sessions follow all sections ensuring that troubleshooting techniques are used throughout the course. Students choose whether to use Windows or UNIX for the hands on sessions.



Prerequisites

TCP/IP foundation for engineers.


What You Will Learn

By the end of the course delegates will be able to:

  • Describe the architecture of DNS.
  • Explain how DNS works.
  • Install, configure, maintain and troubleshoot DNS

Training Outline

What is DNS?

Hostnames, Name resolution, host files, host file problems, What is DNS? The DNS namespace, TLDs, gTLDs, registering domains, Nameservers, how DNS works.

Hands on Testing DNS servers on the Internet.

DNS clients

Ways to use DNS, dynamic and static configuration, multiple nameservers, domain name, searchlist, resolution issues, testing the configuration.

Hands on Client configuration.

DNS server software

Implementations, Microsoft, BIND, daemons and services, installation, starting and stopping servers.

Hands on Setting up a DNS server.

DNS zone files

What is a zone, Zone file overview, Forward zones, Reverse zones, Resource records, A records, PTR, CNAME, Root hints, local zone file. BIND and Microsoft configuration.

Hands on Server configuration files.

NS and applications

MX records, Mail server load balancing, SPF, SRV records, VoIP and SRV, Microsoft and SRV, NAPTR.

Hands on Testing records with dig and nslookup.

DNS slaves and other servers

DNS server types, Server resilience, Slaves, Zone transfers, SOA records, Serial numbers, recommendations, polling based zone transfers, NOTIFY, AD integration, DNS caching, Negative caching, TTL, Caching only servers.

Hands on Masters, slaves and zone transfers.

The DNS protocol

The DNS stack, DNS port numbers, DNS queries, The DNS header, header section format, question format, other section format.

Hands on Troubleshooting DNS with Wireshark.

Dynamic DNS

DHCP, DDNS, IXFR, WINS integration.

Hands on Dynamic DNS.

Subdomains

Root servers, root server selection, Authority, delegation, NS records, subdomain with and without delegation, reverse delegation.

Hands on Delegation, setting up a subdomain server.

DNS security

Restricting queries, DNS and firewalls, Split DNS, forwarders, internal root servers, the use of proxy servers, DNSSEC, TSIG.

Hands on Hardening a DNS server.

DNS and IPv6

What is IPv6, IPv6 addressing, IPv6 DNS issues, AAAA, IPv6 reverse delegation.

Troubleshooting DNS

Problem solving, DNS troubleshooting, Zone file checking, Some common errors, Log files, tools, nslookup, dig, host, DNS design, performance, load balancing.

Hands on Putting it all together.

Summary

Useful books, Internet sites, RFCs.

Appendix: ENUM

What is ENUM, How ENUM works, NAPTR.

Why Choose Us

Leading UK-based global training provider since 1995.

Experience Definitive DNS for engineers in Ireland through Bilginç IT Academy's live and interactive virtual classroom environment. Join a Public course as an individual delegate or arrange a dedicated Private / In-house online training program exclusively for your organization.

  • Delivery Method: Online Instructor-Led
  • Participation Model: Public / Private (In-house)
  • Live and Interactive Training: Connect with your instructor in real time and actively participate through discussions, Q&A sessions, practical exercises, and group activities.
  • Flexible Participation: Join the training from your home, office, or any location with a suitable internet connection.
  • Expert Trainer Network: Learn from experienced trainers with strong industry backgrounds and practical field expertise.
  • Over 30 Years of Training Expertise: Benefit from Bilginç IT Academy's professional training experience since 1995.
  • Worldwide Access: Join our live virtual classrooms from Ireland or anywhere else in the world, or arrange a dedicated online training program for your organization.

Experience Definitive DNS for engineers through face-to-face Classroom Based training in Ireland. Training can be delivered as a Public course open to individual delegates or as a dedicated Private / In-house class for your organization.

  • Delivery Method: Classroom Based
  • Participation Model: Public / Private (In-house)
  • Face-to-Face Learning: Interact directly with your instructor and fellow delegates in an engaging classroom environment.
  • Experienced Trainers: Learn from specialists with extensive industry experience and practical real-world knowledge.
  • Professional Training Environment: Attend training in comfortable, well-equipped classrooms designed to support effective learning.
  • Practical Learning: Depending on the course, reinforce your knowledge through hands-on exercises, scenarios, case studies, and instructor-led activities.

Arrange Definitive DNS for engineers in Ireland as a dedicated Onsite training program for your organization. Bilginç IT Academy trainers can deliver the training at your office or another location of your choice, with the program planned around your team's requirements and business objectives.

  • Delivery Method: Onsite
  • Participation Model: Private (In-house)
  • Training at Your Preferred Location: Organize the training at your company's office or another location selected by your organization.
  • Tailored Course Content: Adapt the training program to your projects, team structure, existing skill levels, and specific business requirements.
  • Team-Focused Learning: Develop your team around a shared knowledge base while strengthening internal collaboration and knowledge transfer.
  • Flexible Scheduling: Plan the training dates, location, and program according to your organization's operational requirements.
  • Worldwide Onsite Delivery: Arrange the training in Ireland or at another preferred location worldwide. Bilginç IT Academy trainers can travel to your selected location to deliver the dedicated training program.


Contact us for more detail about our trainings and for all other enquiries!

Definitive DNS for engineers Training Course in Ireland Schedule

Join our public courses in our Ireland facilities. Private class trainings will be organized at the location of your preference, according to your schedule.

For corporate groups, we can organize this training as an on-site private group.
11 October 2026 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX
15 October 2026 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX
31 October 2026 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX
01 November 2026 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX
03 November 2026 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX
08 November 2026 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX
17 November 2026 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX
09 February 2027 (3 Days)
Dublin, Cork, Limerick
€3,400 +TAX

Ireland has firmly established itself as the premier digital gateway to Europe, with Dublin and Cork serving as the regional headquarters for the world's most influential technology giants. Known as the 'Silicon Docks,' the Irish tech ecosystem thrives on a unique blend of high-level academic research and a pro-business environment, supported by institutions like Trinity College Dublin and University College Cork. The country is a global leader in software localization, pharmaceutical tech, and cloud-based enterprise solutions, attracting top-tier talent from across the globe. Our IT training programs in Ireland are designed to meet the rigorous demands of these multinational corporations, focusing on advanced certifications in Data Analytics, Cybersecurity, and Cloud Architecture. We empower professionals to excel in a high-growth environment that remains at the absolute center of the global digital economy and innovation.