TLDFYI

ドメイン登録

The process of reserving a domain name for a specified period through a registrar.

ICANN-accredited organization authorized to sell domain name registrations.

Individual or organization that has registered and holds rights to a domain name.

Protocol for querying domain registration information including ownership and dates.

Service that masks a registrant's personal information in WHOIS records.

The length of time (1-10 years) for which a domain name is registered.

Process of extending a domain's registration before expiration.

Moving a domain's management from one registrar to another.

Unique authorization code required to transfer a domain between registrars.

Time window after expiration during which a domain can be renewed at normal price.

30-day period after grace period where a domain can be recovered at a higher fee.

Domain name whose registration was not renewed and may become available.

Security feature preventing unauthorized domain transfers.

Registrar feature that automatically renews a domain before expiration.

ICANN's formal certification process authorizing an organization to sell domain registrations.

Two WHOIS data models: thin stores only technical data at the registry; thick centralizes all contact data.

Company that sells domain registrations on behalf of an accredited registrar without its own ICANN accreditation.

Final 5-day deletion phase after which a domain is released for anyone to register.

5-day window after registration during which a registrar can delete a domain for a full registry fee refund.

Mandatory 60-day ban on outbound domain transfers after initial registration or a completed transfer.

Exploiting the Add Grace Period to register and delete domains at no cost to test traffic potential.

Cycling a domain through repeated AGP deletions and re-registrations to control it indefinitely without paying fees.

Mandatory public email and phone contact for reporting domain abuse to an ICANN-accredited registrar.

Anti-abuse restriction limiting the number of WHOIS queries from a single source within a time window.