02 / Resources

Guides for making better internet infrastructure decisions.

Start with the essentials of DNS and domain security, then explore registry operations and new gTLDs. Clear enough to get started, detailed enough to take the next step.

09 guides

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  1. DNS & DNSSEC7 min read

    DNSSEC: How to Know DNS Answers Can Be Trusted

    Understand how DNSSEC helps users receive genuine DNS answers rather than false directions, and why it matters for domain and TLD operations.

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  2. DNS & DNSSEC6 min read

    DNS and DNSSEC: Finding an Address, Then Checking It

    DNS helps a device find a domain address. DNSSEC helps check that the address is genuine. Understand the difference in plain language.

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  3. DNS & DNSSEC6 min read

    Anycast DNS: Keeping Domains Fast and Easy to Reach

    Anycast DNS uses many locations to serve one DNS address, helping responses stay fast and services remain available when one location has an issue.

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  4. New gTLD9 min read

    Applying for a New gTLD: A Guide for 2026 Applicants and the Next Round

    Understand the ICANN new gTLD process, from eligibility and string choice to costs, technical readiness, and RSP selection for current applications and future plans.

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  5. Registry Operations5 min read

    Registry Data Escrow: A Continuity Plan for Domain Data

    Understand how data escrow helps keep TLD registration data available during a major disruption, what is backed up, and why ICANN requires it.

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  6. Registry Operations7 min read

    Registry Service Provider: The Team Behind TLD Technical Operations

    Understand the role of an RSP in running DNS, domain registration, RDAP, DNSSEC, and data escrow for a TLD, and what to consider when choosing a partner.

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  7. Registry Operations7 min read

    RDAP, EPP, and Legacy WHOIS for a TLD Registry

    Understand how RDAP provides registration data, EPP manages domains, and legacy WHOIS may remain for limited compatibility.

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  8. New gTLD6 min read

    Understanding New gTLD Numbers: Scale, Costs, and Key Considerations

    Review key data from the ICANN new gTLD programme to understand application scale, delegation patterns, costs, and the RSP role before planning your next step.

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  9. New gTLD10 min read

    ICANN New gTLD 2026: A Guide for After You Apply

    A practical guide to understanding ICANN evaluation, RSP readiness, delegation timelines, and the decisions to prepare after a new gTLD application is submitted.

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