Go to domains.google.com and log into your account.
- Look for the domain name that you want to change the DNS settings for.
- Click on DNS
- You will see the custom resource records page
For the A record,
- Select the @ symbol, or A record.
- Key in B12's IP address: 220.127.116.11 as the destination for the A record.
- Save the A Record by clicking Add.
For the CNAME,
- Make sure there is a row for the 'www' CNAME record
- Change your 'www' CNAME record to: dns.b12.io