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Comment by kseistrup | Hacker News Reader

The page says:

    Insert:
    · value.key.

So if you

    $ dig txt value.key.dnskv.com

you will receive an "ok" if setting key=value succeeded. Then if you

    $ dig txt key.dnskv.com

you will get the answer "value".

Read more of the page to find out what else you can do.

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thanks, the docs could be more verbose. for those who don't know how does the updating work:

  dig txt u[update-secret].value.key.dnskv.com # set for first time
  dig txt u[update-secret].new-value.key.dnskv.com # use the same update secret, noone can now use this key without it until expiry

also helps to add

  dig @ns.dnskv.com. txt ...

to prevent caching or what it's called in DNS

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