The goal was to redirect all https://christianmontessorifellowship.com visitors, to the following website: https://internationalcmi.com/.
The domain registrar of christianmontessorifellowship.com was Namecheap. After logging in to https://namecheap.com, I clicked MANAGE:
The site had the following nameservers configured:
The domain registrar of internationalcmi.com was Cloudflare. After logging in to cloudflare.com, under Domain Registration > Manage Domains, I clicked the Manage link:
I clicked Update DNS configuration:
I scrolled down to find the Cloudflare Nameservers:
I went back to Namecheap to provide the Cloudflare Nameservers values and clicked the Save icon:
The domain christianmontessorifellowship.com was pointed to Custom DNS in previous steps. I confirmed that the DNSSEC feature for domains pointed to Custom nameservers was disabled:
From the Cloudflare dashboard, I clicked Add a domain:
I entered the website's apex domain christianmontessorifellowship.com. Then I chose Quick scan for DNS records and clicked Continue:
I clicked Select plan:
The initial result was Invalid nameservers:
I found at https://whois.domaintools.com/internationalcmi.com the IP address of the hosting server:
I scrolled down and clicked Add record:
I provided the details for the new A record and clicked Save:
I clicked Continue to activation:
I found the assigned Cloudflare nameservers:
I clicked Continue to activation:
I provided the new nameservers and clicked the Save icon:
The change was saved:
I clicked Continue:
The following message appeared:
The following error message appeared:
I visited https://whois.domaintools.com/christianmontessorifellowship.com to obtain a different IP address:
I saved the new IP address in the Cloudflare settings: