Website hosted by InfinityFree, domain on Ionos
Your domain is still using the IONOS nameservers. This means that any DNS changes, must be done on the IONOS side.
Since you are attempting to verify your domain with CNAME, you need to go to IONOS’ panel to add the corresponding record.
Because CNAME is only used for verification, it will not make your domain work right away after adding the domain to your hosting account.
You then need to add an A record for your domain at IONOS pointing to your hosting account IP address. You can find the IP in the Client Area.
These steps will not request an SSL certificate for you. To obtain an SSL certificate, you need to use the Client Area to create a new order for your domain.
The Client Area will show you a CNAME record which again needs to be added from IONOS not here.
After adding the record, come back to the Client Area to finish obtaining the SSL certificate.
Or, if all of these sounds too complicated to you, you can just add your domain by changing the nameservers to:
ns1.infinityfree.comns2.infinityfree.com
In this way you don’t have to deal with DNS records manually and most of the steps can be automated.
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