You will need TXT records for verification purposes, mostly related to sending and receiving emails. Without well-configured TXT records, your emails will be sent to spam folders, and you won’t be able to have secure communication. If you want to be sure and give the best chances to your emails, you will need to use various TXT records together to verify and authenticate your outgoing mail servers, link the emails to the domain name, and be sure everything is well encrypted. Learn more about the TXT record!