TXT Record

TXT records, or text records, define text information about sources outside of a domain. Common use cases for TXT records include creating email security records (DKIM and SPF records) and providing additional information about a domain.

DigitalOcean uses TXT records to associate a string of text with a hostname. These are primarily used to verify that you own a domain.

App Platform

In App Platform, TXT records are the records for issuing certificates when adding a custom domain.

TXT Record Articles

Download your domain’s DNS zone file so you can migrate DNS zone configurations.
Add a custom domain to use for your app, in addition to its included ondigitalocean.com subdomain.
A guide to setting up additional hostnames and verifying them using the Community DNS Lookup tool