Ionos/1&1 Custom Domain
Getting custom domain with 1&1/Ionos
You need to add a "pay" subdomain to your records:
- If your website is: tillypayexample.com
- You will add pay.tillypayexample.com to host your TillyPay links.
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- Head over to Ionos & login to your account.
- Find the domain in which you use to setup
- Click on the Settings Icon
- Click on DNS
Shown by the blue boxes below:
3. Then click on Add Record:
4. Click on CNAME
5. Then add these settings:
Host Name:
pay
Points to: pro.tillypay.com
TTL: 1 hour
Points to: pro.tillypay.com
TTL: 1 hour

Then you have another setup you need to do in TillyPay's Dashboard