TLD-Typen und Klassifizierung

TLD (Top-Level-Domain)

The last segment of a domain name (e.g., .com, .org, .uk).

gTLD (Generische Top-Level-Domain)

Top-level domain with 3+ characters not tied to a specific country.

ccTLD (Ländercode-Top-Level-Domain)

Two-letter TLD assigned to a specific country or territory.

Neue gTLD (Neue generische Top-Level-Domain)

Generic top-level domains introduced through ICANN's 2012+ New gTLD Program.

Legacy-TLD (Historische Top-Level-Domain)

Original gTLDs (.com, .net, .org) that predate the New gTLD Program.

sTLD (Gesponserte Top-Level-Domain)

Specialized TLD with eligibility requirements, managed by a sponsoring organization.

Marken-TLD (.brand)

New gTLD using a company's brand name, operated exclusively by that company.

Geografische TLD (GeoTLD)

New gTLD representing a geographic region (city, state, or territory).

IDN TLD (Internationalisierter Domainname TLD)

TLD written in non-Latin scripts (Arabic, Chinese, Cyrillic, etc.).

SLD (Second-Level-Domain)

The part of a domain name directly left of the TLD (e.g., 'example' in example.com).

FQDN (Vollständig Qualifizierter Domainname)

Complete domain name with all labels from host to TLD (e.g., www.example.com.).

Eingeschränkte TLD

TLD that limits registration to eligible organizations or individuals.

Infrastruktur-TLD (.arpa)

Special-purpose TLD (.arpa) reserved exclusively for DNS infrastructure and protocol use.

Reservierte Test-TLDs

IANA-reserved TLDs (.test, .example, .invalid, .localhost) guaranteed never to resolve in the public DNS.

TLD-Betreiber (Registry-Betreiber)

Entity authorized by ICANN to administer all domain registrations within a specific TLD.

Delegierte TLD

TLD formally added to the DNS root zone by IANA and resolvable on the public internet.

ASCII-TLD

TLD composed entirely of ASCII characters, natively compatible with all DNS software without encoding.

Offene TLD

TLD with unrestricted registration policies open to any person or entity worldwide.

Community-TLD

TLD designed to serve a specific community of interest with eligibility restrictions and community-aligned policies.

Allgemein-eingeschränkte TLD

Legacy gTLDs (.biz, .name, .pro) intended for specific uses but with limited enforcement of registration restrictions.

TLD-String

The proposed character sequence for a new TLD, evaluated by ICANN for similarity, geography, and conflicts.

Dot-Brand-TLD (.brand)

Company-operated new gTLD using a brand name as the extension, unavailable for public registration.