Viktor Dukhovni <postfix-us...@dukhovni.org> wrote:

> With ECDSA P256(13) as the DNSKEY (signature) algorithm, the incentive
> to rotate keys frequently (~90 days) is substantially lower, as the keys
> are strong enough to resist cryptographic attacks for years.  The only
> practical risk is key disclosure.

Thanks for that information I didn't think about before. 

All of my domains are signed by KSK(13) and ZSK(13) and I do still rotate my 
ZSK's every 90 days after my migration from DSA keys. If I do understand you 
correctly, I could modify my ZSK rotation scheme to once a year given the case 
that key disclosure is not an issue, correct?

Regards,
Michael

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