Frequently Asked Questions (FAQ)

Frequently asked questions about domains.

Domain

To learn how to secure your domain with Let’s Encrypt, visit: SSL Encryption with Let’s Encrypt

To learn how to transfer your domain from another provider to netcup, please visit: Transferring an External Domain

If your current provider does not issue an authentication code, proceed as follows: AuthCode2 Procedure

A domain cannot be changed after it has been assigned. However, you can change the IP address to which the domain currently points, or use a different domain that points to the same or a previously used IP address.

A domain name registrar is an organization or company, such as netcup, that provides new domains by registering them with ICANN.

The Internet Corporation for Assigned Names and Numbers (ICANN) is a non-profit organization responsible for ensuring the proper functioning of the Internet. In the case of domains, ICANN is responsible for defining and providing new top-level domains (TLDs).

Last update: 2 March 2026