[Opendnssec-user] Reset serial number

Yuri Schaeffer yuri at nlnetlabs.nl
Thu Nov 24 15:51:31 UTC 2016

Hi Magnus,

> By accident we added one digit too much to our serial number and the
> serial number lost the date format. How can we reset the number in
> OpenDNSSEC and BIND?

Serial numbers wrap around. In your input zone set the serial high (like
2^32-1) but make sure the increment does not exceed 2^31-1. Make sure
the change is picked up. Then wrap around and set the serial to the
value you want (again make sure the increment doesn't exceed 2^31-1).
OpenDNSSEC should pick up this change.


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