Building further upon a “wild story” by Corey Quinn, Nicholas Martin describes how to (ab)use DNS TXT records by storing data in them, as if it were a database:
When you think about it, DNS configuration is actually a very rudimentary NoSQL database. You can view and modify it at any time quite easily through your domain provider’s website, and you can view each “record” just like a row in a database table.
To easily do this, he created DiggyDB
DiggyDB goes one step further than simple a key/value TXT record by allowing you to use (or indeed abuse) DNS TXT records by storing JSON data, almost as though it was a MongoDB or AWS DynamoDB!
Apparently, You Can Use Route53 as a Blazingly Fast Database →
DiggyDB – Amazon Route53 as a blazingly fast and reliable database →
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Via CSS-Tricks