Looks like you use the wrong place - there is nothing visible. Not a correct, not a wrong entry.
12. TXT - Entries
| Domainname | TXT Entry | Status | ∑ Queries | ∑ Timeout |
|---|---|---|---|---|
| cpm-dev.phpmick.co.uk | ok | 1 | 0 | |
| portal.cpm-dev.phpmick.co.uk | ok | 1 | 0 | |
| _acme-challenge.portal.cpm-dev.phpmick.co.uk | Name Error - The domain name does not exist | 1 | 0 | |
| _acme-challenge.portal.cpm-dev.phpmick.co.uk.cpm-dev.phpmick.co.uk | Name Error - The domain name does not exist | 1 | 0 | |
| _acme-challenge.portal.cpm-dev.phpmick.co.uk.portal.cpm-dev.phpmick.co.uk | Name Error - The domain name does not exist | 1 | 0 |
GoDaddy - ns65.domaincontrol.com - is your name server.