What are TXT records?
TXT records store text strings in DNS. Originally designed for human-readable information, they evolved to carry machine-readable data.
- Structure: A name (hostname) paired with text content.
- tidalmail.com TXT "v=spf1 include:_spf.google.com ~all"
Common uses:
- Email authentication (SPF, DKIM, DMARC)
- Domain verification (prove you control a domain)
- Service configuration data
Technical notes:
- Multiple TXT records can exist for the same name.
- Content is limited to 255 characters per string (can be concatenated).
- Quotes in DNS interfaces vary by provider.
The general-purpose notepad in the ship registry. Used for any textual documentation the port requires.
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