1office.co.uk

Pasted the help-desk explanation instead of the SPF record

$ dig TXT 1office.co.uk

;; QUESTION SECTION:

;1office.co.uk. IN TXT


;; ANSWER SECTION:

1office.co.uk. 3600 IN TXT "An SPF record helps prevent email spoofing by specifying which mail servers are authorized to send email on behalf of your domain. Without one, your emails may be marked as spam. To add an SPF record,…"

Instead of pasting the actual SPF record (v=spf1 include:...), the administrator pasted the help-desk article explaining why you need an SPF record. The record is effectively useless—but very educational for anyone who digs into their DNS.

An SPF record helps prevent email spoofing by specifying which mail servers are authorized to send email on behalf of your domain. Without one, your emails may be marked as spam. To add an SPF record, navigate to your DNS management panel and add a TXT record with the value v=spf1...