Hi BIND,

Anyone know if there is a good way to force named to resign a single host 
record? (e.g. without generating new ZSKs, etc.?)

An ntp glitch recently caused our master nameserver to jump many hours into the 
future, whereupon it began issuing invalid (to the world) RRSIGs with an 
inception time many hours into the future.

After correcting the server time, named's signature rollover algorithm didn’t 
pick up on the fact that there were invalid RRSIGs (even after restarting the 
named process), so we were left with manually repairing them.

We ended up modifying the TTLs (thus forcing named to update the RRSIGs), and 
then restoring the TTLs to their previous state.

It seems like there should be a better way… was that the "best" approach? ( 
Even better, it seems like named could automagically correct for this 
particular problem – if we can put it on the wishlist ;-)  )

Thoughts?

Thanks in advance,

Mathew Eis
Northern Arizona University
Information Technology Services

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