Custom Domain Name on IONOS (formerly 1and1)

To set an A Record on a domain registered with IONOS (formerly 1and1), use these instructions.

In step 5, use the IP Address supplied to you by the sitewide administrator of the service which provides your website.

Do NOT set an AAAA record. If there is an AAAA record present then delete it. You should only have an A record.

Note that changes to your DNS settings can take up to 24 hours to propagate through the Internet.