- Sign into Manage services
- Click on Manage your domain names, which is under Domains
- Once in BT Domain centre, click on Manage in front of the domain for which you want to update the TXT records
- Click on Advanced Domain Manager on the top-left hand corner of the Manage page so you can see the records currently on your domain
- Add a TXT record on a blank row at the end of the current list following this format
- Click Save
Changes can take up to 24 hours to take effect