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Training: Mastering the basics of the DNS and the domain name industry

Home > Products and services > Training > Training: Mastering the basics of the DNS and the domain name industry

The DNS – Domain Name System – is a distributed database that converts domain names to IP addresses and other technical information. Discover the issues, functioning, actors and main operations associated with the domain name business.

Description and aims of the training course

This training course will enable you to:

  • Explain how DNS works to contribute to domain names management in your organization
  • Identify the key players in the domain name industry to enhance your understanding of their needs
  • Improve domain configuration by handling securely main DNS records
  • Understand the primary risks linked to domain names to propose corrective measures
  • Evaluate the security of your DNS to limit errors and vulnerabilities


2 days

Target audience

Professionals and future professionals in the domain name industry, IT directors/managers, CISO, network and/or system administrators.
No prerequisites.

Afnic Trainers

Stéphane Bortzmeyer, DNS expert & R&D Engineer
Alexandre Pion, R&D Engineer
Richard Coffre, Project Manager

Training location

The training course is given online via our video conferencing tool.
The link to connect will be sent to you once your registration is finalized.


Practical exercises will be carried out throughout the course to help assimilate the methods and concepts presented.


€1,400 excl. tax per participant
For group enrolment, please contact us for a quotation.

DIRECTTE declaration number: 11788446878

Our experts can adapt to your needs and design a custom training course.

Contact us for a personalised quotation
  • Day 1 – Morning: Overview of the domain name industry and the role of the different players

    • Functioning of the DNS
    • Domain name life cycle
    • Managing a domain name stock (provision) – WHOIS, EPP
    • Responsibilities and operations carried out by provision players
    • Applicable rules, exceptions and required data
    • Presentation of the 3R model
    • Internet governance
    • Frequently encountered problems

    Day 1 – Afternoon: Registry functioning

    • Role of the registry at the back-end level
    • Case study of primary and secondary resolvers, registrars, holders, subdomain, URL
    • High-profile cases of failures and malfunctions in domain names

    Day 2 – Morning: Practical tools and exercises

    • Implementation of monitoring lessons: identification of the chain of responsibility in the event of domain name malfunction
    • Advanced use of WHOIS and search engine limits
    • Web services and name servers
    • Use of DNS Looking Glass

    Day 2 – Afternoon: Domain name security and abuse associated with the DNS

    • Security services
    • Denial of service attacks and solutions
    • Domain name hijacking
    • Definition of abuse in the DNS
    • Other security threats
    • Examples of known attacks

Upcoming training sessions

March 14 & 15, 2024
June 13 & 14, 2024

If anyone participating in the training course has a disability, please contact us on +33 (0)1 39 30 83 59 so we can make suitable arrangements.

Please contact us

Last updated on 29th November 2023